Dr Ebinazar Namdas is an Associate Professor in the School of Mathematics and Physics at the University of Queensland. Dr Namdas has a strong international track record in the field of organic optoelectronics materials and device research across several platforms including organic transistors, light emitting transistors, OLEDS, organic lasers, and photo-sensors. He has published more than 110 papers in top international journals including 15 x Advanced Materials; 3 x Nature Communications; 7 x Advanced Functional Materials; 11 x Advanced Optical Materials; Nature Materials; Nature Photonics; Science; 3 x Laser & Photonics Reviews; 2 x JACS; 5 x ACS Photonics and 10 x Applied Physics Letters. Additionally, he has co-authored the first ever academic textbook on semiconducting and metallic polymers with Nobel Laureate Professor Alan Heeger and Professor Serdar Sariciftci. The book, titled Semiconducting and Metallic Polymers was published by Oxford University Press. Currently, Dr Namdas is an Associate Editorial board member of Scientific Reports (nature.com).
SELECTED PRIZES, HONOURS AND AWARDS
RESEARCH OPPORTUNITIES
Journal Article: Solid cyclooctatetraene-based triplet quencher demonstrating excellent suppression of singlet–triplet annihilation in optical and electrical excitation
Mai, Van T. N., Ahmad, Viqar, Mamada, Masashi, Fukunaga, Toshiya, Shukla, Atul, Sobus, Jan, Krishnan, Gowri, Moore, Evan G., Andersson, Gunther G., Adachi, Chihaya, Namdas, Ebinazar B. and Lo, Shih-Chun (2020). Solid cyclooctatetraene-based triplet quencher demonstrating excellent suppression of singlet–triplet annihilation in optical and electrical excitation. Nature Communications, 11 (1) 5623, 1-9. doi: 10.1038/s41467-020-19443-z
Journal Article: Charge and exciton dynamics of OLEDs under high voltage nanosecond pulse: towards injection lasing
Ahmad, Viqar, Sobus, Jan, Greenberg, Mitchell, Shukla, Atul, Philippa, Bronson, Pivrikas, Almantas, Vamvounis, George, White, Ronald, Lo, Shih-Chun and Namdas, Ebinazar B. (2020). Charge and exciton dynamics of OLEDs under high voltage nanosecond pulse: towards injection lasing. Nature Communications, 11 (1) 4310, 4310. doi: 10.1038/s41467-020-18094-4
Book: Semiconducting and metallic polymers
Heeger, Alan J., Sariciftci, Niyazi Serdar and Namdas, Ebinazar B. (2010). Semiconducting and metallic polymers. Oxford, U.K.: Oxford University Press.
Journal Article: How to recognize lasing
Samuel, Ifor D. W., Namdas, Ebinazar B. and Turnbull, Graham A. (2009). How to recognize lasing. Nature Photonics, 3 (10), 546-549. doi: 10.1038/nphoton.2009.173
Journal Article: Nonlinear transport in semiconducting polymers at high carrier densities
Yuen, Jonathan D., Menon, Reghu, Coates, Nelson E., Namdas, Ebinazar B., Cho, Shinuk, Hannahs, Scott T., Moses, Daniel and Heeger, Alan J. (2009). Nonlinear transport in semiconducting polymers at high carrier densities. Nature Materials, 8 (7), 572-575. doi: 10.1038/NMAT2470
An Advanced Ultrafast Laser Spectroscopy Facility in Queensland
(2021–2023) ARC Linkage Infrastructure, Equipment and Facilities
High-brightness, low-efficiency roll-off materials for augmented realities
(2020–2023) ARC Discovery Projects
Molecular Beam Epitaxy and Chain Sublimation Instrumentation for Organic-Inorganic Interfaces
(2019) UQ Major Equipment and Infrastructure
Charge Transport and Recombination in Organic Photodiodes
(2023) Doctor Philosophy
External quantum efficiency roll-off in organic light-emitting diodes
(2022) Doctor Philosophy
Organic Light Emitting Devices: Towards Electrically Pumped Laser
(2021) Doctor Philosophy
Mai, Van T. N., Ahmad, Viqar, Mamada, Masashi, Fukunaga, Toshiya, Shukla, Atul, Sobus, Jan, Krishnan, Gowri, Moore, Evan G., Andersson, Gunther G., Adachi, Chihaya, Namdas, Ebinazar B. and Lo, Shih-Chun (2020). Solid cyclooctatetraene-based triplet quencher demonstrating excellent suppression of singlet–triplet annihilation in optical and electrical excitation. Nature Communications, 11 (1) 5623, 1-9. doi: 10.1038/s41467-020-19443-z
Charge and exciton dynamics of OLEDs under high voltage nanosecond pulse: towards injection lasing
Ahmad, Viqar, Sobus, Jan, Greenberg, Mitchell, Shukla, Atul, Philippa, Bronson, Pivrikas, Almantas, Vamvounis, George, White, Ronald, Lo, Shih-Chun and Namdas, Ebinazar B. (2020). Charge and exciton dynamics of OLEDs under high voltage nanosecond pulse: towards injection lasing. Nature Communications, 11 (1) 4310, 4310. doi: 10.1038/s41467-020-18094-4
Semiconducting and metallic polymers
Heeger, Alan J., Sariciftci, Niyazi Serdar and Namdas, Ebinazar B. (2010). Semiconducting and metallic polymers. Oxford, U.K.: Oxford University Press.
Samuel, Ifor D. W., Namdas, Ebinazar B. and Turnbull, Graham A. (2009). How to recognize lasing. Nature Photonics, 3 (10), 546-549. doi: 10.1038/nphoton.2009.173
Nonlinear transport in semiconducting polymers at high carrier densities
Yuen, Jonathan D., Menon, Reghu, Coates, Nelson E., Namdas, Ebinazar B., Cho, Shinuk, Hannahs, Scott T., Moses, Daniel and Heeger, Alan J. (2009). Nonlinear transport in semiconducting polymers at high carrier densities. Nature Materials, 8 (7), 572-575. doi: 10.1038/NMAT2470
Semiconducting and metallic polymers
Heeger, Alan J., Sariciftci, Niyazi Serdar and Namdas, Ebinazar B. (2010). Semiconducting and metallic polymers. Oxford, U.K.: Oxford University Press.
Gao, Can, Shukla, Atul, Gao, Haikuo, Miao, Zhagen, Zhang, Yihan, Wang, Pu, Luo, Guiwen, Zeng, Yi, Wong, Wallace W. H., Smith, Trevor A., Lo, Shih‐Chun, Hu, Wenping, Namdas, Ebinazar B. and Dong, Huanli (2023). Harvesting triplet excitons in high mobility emissive organic semiconductor for efficiency enhancement of light‐emitting transistors. Advanced Materials, 35 (13) e2208389, 1-9. doi: 10.1002/adma.202208389
Hasan, Monirul, Shukla, Atul, Mamada, Masashi, Adachi, Chihaya, Lo, Shih-Chun and Namdas, Ebinazar B. (2022). Correlating exciton dynamics of thermally activated delayed-fluorescence emitters to efficiency roll-off in OLEDs. Physical Review Applied, 18 (5) 054082. doi: 10.1103/physrevapplied.18.054082
Amplified spontaneous emission from zwitterionic excited-state intramolecular proton transfer
Shukla, Atul, Mai, Van Thi Ngoc, Divya, Velayudhan V., Suresh, Cherumuttathu H., Paul, Megha, Karunakaran, Venugopal, McGregor, Sarah Katariina Martikainen, Allison, Ilene, Narayanan Unni, K. N., Ajayaghosh, Ayyappanpillai, Namdas, Ebinazar B. and Lo, Shih-Chun (2022). Amplified spontaneous emission from zwitterionic excited-state intramolecular proton transfer. Journal of the American Chemical Society, 144 (30), 13499-13510. doi: 10.1021/jacs.2c02163
Pham, Hong Duc, Banappanavar, Gangadhar S., Somasundaram, Sahadev, Deshmukh, Kedar D., Lim, Hyunsoo, Shukla, Atul, Ahmad, Viqar, McGregor, Sarah K.M., Manzhos, Sergei, Lo, Shih-Chun, Kabra, Dinesh, Namdas, Ebinazar B. and Sonar, Prashant (2022). Fluorenone and triphenylamine based donor-acceptor-donor (D-A-D) for solution-processed organic light-emitting diodes. Flexible and Printed Electronics, 7 (2) 025009. doi: 10.1088/2058-8585/ac6b6d
Sardar, Gopa, Shukla, Atul, Moore, Evan G., Banappanavar, Gangadhar, Lo, Shih-Chun, Namdas, Ebinazar B. and Kabra, Dinesh (2022). Reduced singlet–triplet annihilation for low threshold amplified spontaneous emission from a blue polyfluorene electroluminescent organic semiconductor. The Journal of Physical Chemistry C, 126 (21), 9069-9075. doi: 10.1021/acs.jpcc.2c00648
Shukla, Atul, Hasan, Monirul, Banappanavar, Gangadhar, Ahmad, Viqar, Sobus, Jan, Moore, Evan G., Kabra, Dinesh, Lo, Shih-Chun and Namdas, Ebinazar B. (2022). Controlling triplet–triplet upconversion and singlet-triplet annihilation in organic light-emitting diodes for injection lasing. Communications Materials, 3 (1) 27. doi: 10.1038/s43246-022-00248-0
Cibalackrot dendrimers for hyperfluorescent organic light‐emitting diodes
Wallwork, Nicholle R., Mamada, Masashi, Keto, Angus B., McGregor, Sarah K. M., Shukla, Atul, Adachi, Chihaya, Krenske, Elizabeth H., Namdas, Ebinazar B. and Lo, Shih‐Chun (2022). Cibalackrot dendrimers for hyperfluorescent organic light‐emitting diodes. Macromolecular Rapid Communications, 43 (16) 2200118, 2200118. doi: 10.1002/marc.202200118
Shukla, Atul, Entoma, Volter, McGregor, Sarah K. M., Hasan, Monirul, Mamada, Masashi, Moore, Evan G., Adachi, Chihaya, Lo, Shih‐Chun and Namdas, Ebinazar B. (2022). Low light amplification threshold and reduced efficiency roll‐off in thick emissive layer OLEDs from a diketopyrrolopyrrole derivative. Macromolecular Rapid Communications, 43 (16) 2200115, e2200115. doi: 10.1002/marc.202200115
Dey, Suvendu, Hasan, Monirul, Shukla, Atul, Acharya, Nirmalya, Upadhyay, Manoj, Lo, Shih-Chun, Namdas, Ebinazar B. and Ray, Debdas (2022). Thermally activated delayed fluorescence and room-temperature phosphorescence in asymmetric phenoxazine-quinoline (D2–A) conjugates and dual electroluminescence. The Journal of Physical Chemistry C, 126 (12) acs.jpcc.2c00512, 5649-5657. doi: 10.1021/acs.jpcc.2c00512
Impact of polymer molecular weight on polymeric photodiodes
Saggar, Siddhartha, Deshmukh, Kedar D., McGregor, Sarah K. M., Hasan, Monirul, Shukla, Atul, Agawane, Jyoti S., Nayak, Nagaraj, Gann, Eliot, Thomsen, Lars, Kumar, Anil, McNeill, Christopher R., Lo, Shih‐Chun and Namdas, Ebinazar B. (2022). Impact of polymer molecular weight on polymeric photodiodes. Advanced Optical Materials, 10 (3) 2101890. doi: 10.1002/adom.202101890
Probing polaron-induced exciton quenching in TADF based organic light-emitting diodes
Hasan, Monirul, Saggar, Siddhartha, Shukla, Atul, Bencheikh, Fatima, Sobus, Jan, McGregor, Sarah K. M., Adachi, Chihaya, Lo, Shih-Chun and Namdas, Ebinazar B. (2022). Probing polaron-induced exciton quenching in TADF based organic light-emitting diodes. Nature Communications, 13 (1) 254, 254. doi: 10.1038/s41467-021-27739-x
High-performance solution-processed red hyperfluorescent OLEDs based on cibalackrot
Wallwork, Nicholle R., Mamada, Masashi, Shukla, Atul, McGregor, Sarah K. M., Adachi, Chihaya, Namdas, Ebinazar B. and Lo, Shih-Chun (2022). High-performance solution-processed red hyperfluorescent OLEDs based on cibalackrot. Journal of Materials Chemistry C, 10 (12), 4767-4774. doi: 10.1039/d1tc04937b
Liquid-phase sintering of lead halide perovskites and metal-organic framework glasses
Hou, Jingwei, Chen, Peng, Shukla, Atul, Krajnc, Andraž, Wang, Tiesheng, Li, Xuemei, Doasa, Rana, Tizei, Luiz H. G., Chan, Bun, Johnstone, Duncan N., Lin, Rijia, Schülli, Tobias U., Martens, Isaac, Appadoo, Dominique, Ari, Mark S’, Wang, Zhiliang, Wei, Tong, Lo, Shih-Chun, Lu, Mingyuan, Li, Shichun, Namdas, Ebinazar B., Mali, Gregor, Cheetham, Anthony K., Collins, Sean M., Chen, Vicki, Wang, Lianzhou and Bennett, Thomas D. (2021). Liquid-phase sintering of lead halide perovskites and metal-organic framework glasses. Science, 374 (6567), 621-625. doi: 10.1126/science.abf4460
Vipin, C. K., Shukla, Atul, Rajeev, Kavya, Hasan, Monirul, Lo, Shih-Chun, Namdas, Ebinazar B., Ajayaghosh, Ayyappanpillai and Unni, K. N. Narayanan (2021). White organic light-emitting diodes from single emissive layers: combining exciplex emission with electromer emission. The Journal of Physical Chemistry C, 125 (41), 22809-22816. doi: 10.1021/acs.jpcc.1c06323
Low threshold room temperature polariton lasing from fluorene-based oligomers
Wei, Mengjie, Ruseckas, Arvydas, Mai, Van T. N., Shukla, Atul, Allison, Ilene, Lo, Shih-Chun, Namdas, Ebinazar B., Turnbull, Graham A. and Samuel, Ifor D. W. (2021). Low threshold room temperature polariton lasing from fluorene-based oligomers. Laser and Photonics Reviews, 15 (8) 2100028, 1-8. doi: 10.1002/lpor.202100028
Toward faster organic photodiodes: tuning of blend composition ratio
Saggar, Siddhartha, Sanderson, Stephen, Gedefaw, Desta, Pan, Xun, Philippa, Bronson, Andersson, Mats R., Lo, Shih‐Chun and Namdas, Ebinazar B. (2021). Toward faster organic photodiodes: tuning of blend composition ratio. Advanced Functional Materials, 31 (19) 2010661. doi: 10.1002/adfm.202010661
Malmberg, Robert, von Arx, Tobias, Hasan, Monirul, Blacque, Olivier, Shukla, Atul, McGregor, Sarah K. M., Lo, Shih-Chun, Namdas, Ebinazar B. and Venkatesan, Koushik (2021). Tunable light-emission properties of solution-processable n-heterocyclic carbene cyclometalated gold(III) complexes for organic light-emitting diodes. Chemistry: A European Journal, 27 (25), 7265-7274. doi: 10.1002/chem.202100215
Shukla, Atul, McGregor, Sarah K. M., Wawrzinek, Robert, Saggar, Siddhartha, Moore, Evan G., Lo, Shih‐Chun and Namdas, Ebinazar B. (2021). Light amplification and efficient electroluminescence from a solution‐processable diketopyrrolopyrrole derivative via triplet‐to‐singlet upconversion. Advanced Functional Materials, 31 (15) 2009817. doi: 10.1002/adfm.202009817
McGregor, Sarah K. M., Govind, Chinju, Wood, Michael K. R., Shukla, Atul, Lim, Hyunsoo, Lepage, Romain J., Krenske, Elizabeth H., Unni, Narayanan K. N., Ajayaghosh, Ayyappanpillai, Karunakaran, Venugopal, Namdas, Ebinazar B. and Lo, Shih-Chun (2021). Structural integration of carbazole and tetraphenylethylene: ultrafast excited‐state relaxation dynamics and efficient electroluminescence. Advanced Photonics Research, 2 (4) 2000144, 2000144. doi: 10.1002/adpr.202000144
Malmberg, Robert, Arx, Tobias, Hasan, Monirul, Blacque, Olivier, Shukla, Atul, McGregor, Sarah K. M., Lo, Shih‐Chun, Namdas, Ebinazar B. and Venkatesan, Koushik (2021). Cover Feature: Tunable Light‐Emission Properties of Solution‐Processable N‐Heterocyclic Carbene Cyclometalated Gold(III) Complexes for Organic Light‐Emitting Diodes (Chem. Eur. J. 25/2021). Chemistry – A European Journal, 27 (25), 7186-7186. doi: 10.1002/chem.202100499
Acharya, Nirmalya, Hasan, Monirul, Dey, Suvendu, Lo, Shih-Chun, Namdas, Ebinazar B. and Ray, Debdas (2021). Phenothiazine–Quinoline Conjugates Realizing Intrinsic Thermally Activated Delayed Fluorescence and Room‐Temperature Phosphorescence: Understanding the Mechanism and Electroluminescence Devices. Advanced Photonics Research, 2 (5) 2000201, 1-10. doi: 10.1002/adpr.202000201
Gao, Can, Wong, Wallace W. H., Qin, Zhengsheng, Lo, Shih-Chun, Namdas, Ebinazar B., Dong, Huanli and Hu, Wenping (2021). Application of Triplet–Triplet Annihilation Upconversion in Organic Optoelectronic Devices: Advances and Perspectives. Advanced Materials, 33 (45) 2100704, 1-25. doi: 10.1002/adma.202100704
Mai, Van T. N., Ahmad, Viqar, Mamada, Masashi, Fukunaga, Toshiya, Shukla, Atul, Sobus, Jan, Krishnan, Gowri, Moore, Evan G., Andersson, Gunther G., Adachi, Chihaya, Namdas, Ebinazar B. and Lo, Shih-Chun (2020). Solid cyclooctatetraene-based triplet quencher demonstrating excellent suppression of singlet–triplet annihilation in optical and electrical excitation. Nature Communications, 11 (1) 5623, 1-9. doi: 10.1038/s41467-020-19443-z
Mai, Van T. N., Shukla, Atul, Senevirathne, A. M. Chathuranganie, Allison, Ilene, Lim, Hyunsoo, Lepage, Romain J., McGregor, Sarah K. M., Wood, Michael, Matsushima, Toshinori, Moore, Evan G., Krenske, Elizabeth H., Sandanayaka, Atula S. D., Adachi, Chihaya, Namdas, Ebinazar B. and Lo, Shih-Chun (2020). Lasing operation under long-pulse excitation in solution-processed organic gain medium: toward CW lasing in organic semiconductors. Advanced Optical Materials, 8 (21) 2001234, 2001234. doi: 10.1002/adom.202001234
Charge and exciton dynamics of OLEDs under high voltage nanosecond pulse: towards injection lasing
Ahmad, Viqar, Sobus, Jan, Greenberg, Mitchell, Shukla, Atul, Philippa, Bronson, Pivrikas, Almantas, Vamvounis, George, White, Ronald, Lo, Shih-Chun and Namdas, Ebinazar B. (2020). Charge and exciton dynamics of OLEDs under high voltage nanosecond pulse: towards injection lasing. Nature Communications, 11 (1) 4310, 4310. doi: 10.1038/s41467-020-18094-4
Shukla, Atul, Mai, Van T. N., Senevirathne, A. M. Chathuranganie, Allison, Ilene, McGregor, Sarah K. M., Lepage, Romain J., Wood, Michael, Matsushima, Toshinori, Moore, Evan G., Krenske, Elizabeth H., Sandanayaka, Atula S. D., Adachi, Chihaya, Namdas, Ebinazar B. and Lo, Shih‐Chun (2020). Low amplified spontaneous emission and lasing thresholds from hybrids of fluorenes and vinylphenylcarbazole. Advanced Optical Materials, 8 (20) 2000784, 2000784. doi: 10.1002/adom.202000784
Strong coupling and energy funnelling in an electrically conductive organic blend
Rahme, Matthew S., Sabatini, Randy P., McGregor, Sarah K. M., Wawrzinek, Robert, Namdas, Ebinazar B., Lo, Shih-Chun and Lakhwani, Girish (2020). Strong coupling and energy funnelling in an electrically conductive organic blend. Journal of Materials Chemistry C, 8 (33), 11485-11491. doi: 10.1039/d0tc02239j
Exciton–exciton annihilation in thermally activated delayed fluorescence emitter
Hasan, Monirul, Shukla, Atul, Ahmad, Viqar, Sobus, Jan, Bencheikh, Fatima, McGregor, Sarah K. M., Mamada, Masashi, Adachi, Chihaya, Lo, Shih‐Chun and Namdas, Ebinazar B. (2020). Exciton–exciton annihilation in thermally activated delayed fluorescence emitter. Advanced Functional Materials, 30 (30) 2000580, 2000580. doi: 10.1002/adfm.202000580
Design strategy for robust organic semiconductor laser dyes
Oyama, Yuya, Mamada, Masashi, Shukla, Atul, Moore, Evan, G., Lo, Shih-Chun, Namdas, Ebinazar B. and Adachi, Chihaya (2020). Design strategy for robust organic semiconductor laser dyes. ACS Materials Letters, 2 (2), 161-167. doi: 10.1021/acsmaterialslett.9b00536
High EQE and high brightness solution-processed TADF light-emitting transistors and OLEDs
Ahmad, Viqar, Sobus, Jan, Bencheikh, Fatima, Mamada, Masashi, Adachi, Chihaya, Lo, Shih-Chun and Namdas, Ebinazar B. (2020). High EQE and high brightness solution-processed TADF light-emitting transistors and OLEDs. Advanced Optical Materials, 8 (18) 2000554, 2000554. doi: 10.1002/adom.202000554
Shukla, Atul, Wallwork, Nicholle R., Li, Xin, Sobus, Jan, Mai, Van T. N., McGregor, Sarah K. M., Chen, Kay, Lepage, Romain J., Krenske, Elizabeth H., Moore, Evan G., Namdas, Ebinazar B. and Lo, Shih‐Chun (2020). Organic Laser Dyes: Deep‐Red Lasing and Amplified Spontaneous Emission from Nature Inspired Bay‐Annulated Indigo Derivatives (Advanced Optical Materials 2/2020). Advanced Optical Materials, 8 (2), 2070006. doi: 10.1002/adom.202070006
Shukla, Atul, Wallwork, Nicholle R., Li, Xin, Sobus, Jan, Mai, Van T. N., McGregor, Sarah K. M., Chen, Kay, Lepage, Romain J., Krenske, Elizabeth H., Moore, Evan G., Namdas, Ebinazar B. and Lo, Shih‐Chun (2019). Deep‐red lasing and amplified spontaneous emission from nature inspired bay‐annulated indigo derivatives. Advanced Optical Materials, 8 (2) 1901350, 1901350. doi: 10.1002/adom.201901350
Organic light‐emitting transistors: advances and perspectives
Chaudhry, Mujeeb Ullah, Muhieddine, Khalid, Wawrzinek, Robert, Sobus, Jan, Tandy, Kristen, Lo, Shih‐Chun and Namdas, Ebinazar B. (2019). Organic light‐emitting transistors: advances and perspectives. Advanced Functional Materials, 30 (20) 1905282, 1905282. doi: 10.1002/adfm.201905282
Allison, Ilene, Lim, Hyunsoo, Shukla, Atul, Ahmad, Viqar, Hasan, Monirul, Deshmukh, Kedar D., Wawrzinek, Robert, McGregor, Sarah Katariina Martikainen, Clegg, Jack K., Divya, Velayudhan V., Govind, Chinju, Suresh, Cherumuttathu H., Karunakaran, Venugopal, K. N., Narayanan Unni, Ajayaghosh, Ayyappanpillai, Namdas, Ebinazar B. and Lo, Shih-Chun (2019). Solution processable deep-red phosphorescent Pt(II) complex: direct conversion from its Pt(IV) species via a base promoted reduction. ACS Applied Electronic Materials, 1 (7) acsaelm.9b00246, 1304-1313. doi: 10.1021/acsaelm.9b00246
Wawrzinek, Robert, Sobus, Jan, Chaudhry, Mujeeb Ullah, Ahmad, Viqar, Grosjean, Arnaud, Clegg, Jack K., Namdas, Ebinazar B. and Lo, Shih-Chun (2019). Mobility evaluation of [1]Benzothieno[3,2-b][1]benzothiophene derivatives: limitation and impact on charge transport. ACS Applied Materials & Interfaces, 11 (3) acsami.8b16158, 3271-3279. doi: 10.1021/acsami.8b16158
Maasoumi, Fatemeh, Jansen-van Vuuren, Ross D., Shaw, Paul E., Puttock, Emma V., Nagiri, Ravi Chandra Raju, McEwan, Jake A., Bown, Mark, O’Connell, Jenny L., Dunn, Christopher J., Burn, Paul L. and Namdas, Ebinazar B. (2018). An external quantum efficiency of >20% from solution-processed poly(dendrimer) organic light-emitting diodes. npj Flexible Electronics, 2 (1) 27, 1-6. doi: 10.1038/s41528-018-0038-9
Ahmad, Viqar, Shukla, Atul, Sobus, Jan, Sharma, Anirudh, Gedefaw, Desta, Andersson, Gunther G., Andersson, Mats R., Lo, Shih-Chun and Namdas, Ebinazar B. (2018). High-speed OLEDs and area-emitting light-emitting transistors from a tetracyclic lactim semiconducting polymer. Advanced Optical Materials, 6 (21) 1800768, 1800768. doi: 10.1002/adom.201800768
Ahmad, Viqar, Shukla, Atul, Sobus, Jan, Sharma, Anirudh, Gedefaw, Desta, Andersson, Gunther G., Andersson, Mats R., Lo, Shih-Chun and Namdas, Ebinazar B. (2018). Polymer light emitting devices: high-speed OLEDs and area-emitting light-emitting transistors from a tetracyclic lactim semiconducting polymer (Advanced Optical Materials 21/2018). Advanced Optical Materials, 6 (21), 1870084. doi: 10.1002/adom.201870084
Mai, Van T. N., Shukla, Atul, Mamada, Masashi, Maedera, Satoshi, Shaw, Paul E., Sobus, Jan, Allison, Ilene, Adachi, Chihaya, Namdas, Ebinazar B. and Lo, Shih-Chun (2018). Low amplified spontaneous emission threshold and efficient electroluminescence from a carbazole derivatized excited-state intramolecular proton transfer dye. ACS Photonics, 5 (11) acsphotonics.8b00907, 4447-4455. doi: 10.1021/acsphotonics.8b00907
Sobus, Jan, Bencheikh, Fatima, Mamada, Masashi, Wawrzinek, Robert, Ribierre, Jean-Charles, Adachi, Chihaya, Lo, Shih-Chun and Namdas, Ebinazar B. (2018). Field-effect transistors: high performance p- and n-type light-emitting field-effect transistors employing thermally activated delayed fluorescence (Adv. Funct. Mater. 28/2018). Advanced Functional Materials, 28 (28), 1870193. doi: 10.1002/adfm.201870193
Sobus, Jan, Bencheikh, Fatima, Mamada, Masashi, Wawrzinek, Robert, Ribierre, Jean-Charles, Adachi, Chihaya, Lo, Shih-Chun and Namdas, Ebinazar B. (2018). High performance p- and n-type light-emitting field-effect transistors employing thermally activated delayed fluorescence. Advanced Function Materials, 28 (28) 1800340, 1800340. doi: 10.1002/adfm.201800340
Chaudhry, Mujeeb Ullah, Muhieddine, Khalid, Wawrzinek, Robert, Li, Jun, Lo, Shih-Chun and Namdas, Ebinazar B. (2018). Nano-alignment in semiconducting polymer films: a path to achieve high current density and brightness in organic light emitting transistors. ACS Photonics, 5 (6), 2137-2144. doi: 10.1021/acsphotonics.8b00011
Chandrasekharan, Ajeesh, Hambsch, Mike, Jin, Hui, Maasoumi, Fatemeh, Shaw, Paul E., Raynor, Aaron, Burn, Paul L., Lo, Shih-Chun, Meredith, Paul and Namdas, Ebinazar B. (2017). Effect of capping group on the properties of non-polymeric diketopyrrolopyrroles for solution-processed bulk heterojunction solar cells. Organic Electronics, 50, 339-346. doi: 10.1016/j.orgel.2017.08.008
Ullah, Mujeeb, Wawrzinek, Robert, Nagiri, Ravi C. R., Lo, Shih-Chun and Namdas, Ebinazar B. (2017). UV-deep blue-visible light-emitting organic field effect transistors with high charge carrier mobilities. Advanced Optical Materials, 5 (8) 1600973, 1600973.1-1600973.7. doi: 10.1002/adom.201600973
Ullah, Mujeeb, Tandy, Kristen, Clulow, Andrew J., Burn, Paul L., Gentle, Ian R., Meredith, Paul, Lo, Shih-Chun and Namdas, Ebinazar B. (2017). Host-free blue phosphorescent dendrimer organic light-emitting field-effect transistors and equivalent light-emitting diodes: a comparative study. ACS Photonics, 4 (4), 754-760. doi: 10.1021/acsphotonics.6b01019
A thiocarbonyl-containing small molecule for optoelectronics
Gendron, David, Maasoumi, Fatemeh, Armin, Ardalan, Pattison, Katherine, Burn, Paul L., Meredith, Paul, Namdas, Ebinazar B. and Powell, Benjamin J. (2017). A thiocarbonyl-containing small molecule for optoelectronics. RSC Advances, 7 (17), 10316-10322. doi: 10.1039/c7ra00693d
Aggregates of diketopyrrolopyrrole dimers in solution
Wawrzinek, Robert, Zhou, Xiuwen, Ullah, Mujeeb, Namdas, Ebinazar B. and Lo, Shih-Chun (2017). Aggregates of diketopyrrolopyrrole dimers in solution. Dyes and Pigments, 136, 678-685. doi: 10.1016/j.dyepig.2016.08.064
Wawrzinek, Robert, Muhieddine, Khalid, Ullah, Mujeeb, Koszo, Peter B., Shaw, Paul E., Grosjean, Arnaud, Maasoumi, Fatemeh, Stoltzfus, Dani M., Clegg, Jack K., Burn, Paul L., Namdas, Ebinazar B. and Lo, Shih-Chun (2016). Orange-red-light-emitting field-effect transistors based on phosphorescent Pt(II) complexes with area emission. Advanced Optical Materials, 4 (11), 1867-1874. doi: 10.1002/adom.201600460
Ullah, Mujeeb, Wawrzinek, Robert, Maasoumi, Fatemeh, Lo, Shih-Chun and Namdas, Ebinazar B. (2016). Semitransparent and low-voltage operating organic light-emitting field-effect transistors processed at low temperatures. Advanced Optical Materials, 4 (7), 1022-1026. doi: 10.1002/adom.201600050
Ullah, Mujeeb, Lin, Yen-Hung, Muhieddine, Khalid, Lo, Shih-Chun, Anthopoulos, Thomas D. and Namdas, Ebinazar B. (2015). Hybrid Light-Emitting Transistors Based on Low-Temperature Solution-Processed Metal Oxides and a Charge-Injecting Interlayer. Advanced Optical Materials, 4 (2), 231-237. doi: 10.1002/adom.201500474
High-performance, fullerene-free organic photodiodes based on a solution-processable indigo
Kim, Il Ku, Li, Xin, Ullah, Mujeeb, Shaw, Paul E., Wawrzinek, Robert, Namdas, Ebinazar B. and Lo, Shih-Chun (2015). High-performance, fullerene-free organic photodiodes based on a solution-processable indigo. Advanced Materals, 27 (41), 6390-6395. doi: 10.1002/adma.201502936
Hybrid area-emitting transistors: solution processable and with high aperture ratios
Muhieddine, Khalid, Ullah, Mujeeb, Maasoumi, Fatemeh, Burn, Paul L. and Namdas, Ebinazar B. (2015). Hybrid area-emitting transistors: solution processable and with high aperture ratios. Advanced Materials, 27 (42), 6677-6682. doi: 10.1002/adma.201502554
Ullah, Mujeeb, Yambem, Soniya D., Moore, Evan G., Namdas, Ebinazar B. and Pandey, Ajay K. (2015). Singlet fission and triplet exciton dynamics in rubrene/fullerene heterojunctions: implications for electroluminescence. Advanced Electronic Materials, 1 (12) 1500229, 1500229. doi: 10.1002/aelm.201500229
Charge transport and recombination in heterostructure organic light emitting transistors
Maasoumi, Fatemeh, Ullah, Mujeeb, Shaw, Paul E., Li, Jun, Burn, Paul L., Meredith, Paul and Namdas, Ebinazar B. (2015). Charge transport and recombination in heterostructure organic light emitting transistors. Organic Electronics, 25 3113, 37-43. doi: 10.1016/j.orgel.2015.05.051
Efficient and bright polymer light emitting field effect transistors
Ullah, Mujeeb, Tandy, Kristen, Yambem, Soniya D., Muhieddine, Khalid, Ong, Wen Jie, Shi, Zugui, Burn, Paul L., Meredith, Paul, Li, Jun and Namdas, Ebinazar B. (2015). Efficient and bright polymer light emitting field effect transistors. Organic Electronics: physics, materials, applications, 17, 371-376. doi: 10.1016/j.orgel.2014.12.014
Ullah, Mujeeb, Armin, Ardalan, Tandy, Kristen, Yambem, Soniya D., Burn, Paul L., Meredith, Paul and Namdas, Ebinazar B. (2015). Defining the light emitting area for displays in the unipolar regime of highly efficient light emitting transistors. Scientific Reports, 5 (Art No.: 8818) 8818, 8818. doi: 10.1038/srep08818
High-performance, solution-processed non-polymeric organic photodiodes
Kim, Il Ku, Pal, Bhola N., Ullah, Mujeeb, Burn, Paul L., Lo, Shih-Chun, Meredith, Paul and Namdas, Ebinazar B. (2015). High-performance, solution-processed non-polymeric organic photodiodes. Advanced Optical Materials, 3 (1), 50-56. doi: 10.1002/adom.201400385
Kim, Il Ku, Pal, Bhola N., Ullah, Mujeeb, Burn, Paul L., Lo, Shih-Chun, Meredith, Paul and Namdas, Ebinazar B. (2015). Photodiodes: high-performance, solution-processed non-polymeric organic photodiodes (Advanced Optical Materials 1/2015). Advanced Optical Materials, 3 (1), 49-49. doi: 10.1002/adom.201570005
High mobility solution-processed hybrid light emitting transistors
Walker, Bright, Ullah, Mujeeb, Chae, Gil Jo, Burn, Paul L., Cho, Shinuk, Kim, Jin Young, Namdas, Ebinazar B. and Seo, Jung Hwa (2014). High mobility solution-processed hybrid light emitting transistors. Applied Physics Letters, 105 (18) 183302, 183302-1-183302-4. doi: 10.1063/1.4900933
All solution-processed, hybrid light emitting field-effect transistors
Muhieddine, Khalid, Ullah, Mujeeb, Pal, Bhola N., Burn, Paul and Namdas, Ebinazar B. (2014). All solution-processed, hybrid light emitting field-effect transistors. Advanced Materials, 26 (37), 6410-6415. doi: 10.1002/adma.201400938
High-mobility, heterostructure light-emitting transistors and complementary inverters
Ullah, Mujeeb, Tandy, Kristen, Li, Jun, Shi, Zugui, Burn, Paul L., Meredith, Paul and Namdas, Ebinazar B. (2014). High-mobility, heterostructure light-emitting transistors and complementary inverters. ACS Photonics, 1 (10), 954-959. doi: 10.1021/ph500300n
Thick junction broadband organic photodiodes
Armin, Ardalan, Hambsch, Mike, Kim, Il Ku, Burn, Paul L., Meredith, Paul and Namdas, Ebinazar B. (2014). Thick junction broadband organic photodiodes. Laser and Photonics Reviews, 8 (6), 924-932. doi: 10.1002/lpor.201400081
Pandey, Ajay K., Aljada, Muhsen, Pivrikas, Almantas, Velusamy, Marappan, Burn, Paul L., Meredith, Paul and Namdas, Ebinazar B. (2014). Dynamics of charge generation and transport in polymer-fullerene blends elucidated using a PhotoFET architecture. ACS Photonics, 1 (2), 114-120. doi: 10.1021/ph400047b
ITO-free top emitting organic light emitting diodes with enhanced light out-coupling
Yambem, Soniya D., Ullah, Mujeeb, Tandy, Kristen, Burn, Paul L. and Namdas, Ebinazar B. (2014). ITO-free top emitting organic light emitting diodes with enhanced light out-coupling. Laser and Photonics Reviews, 8 (1), 165-171. doi: 10.1002/lpor.201300148
Tandy, Kristen, Ullah, Mujeeb, Burn, Paul L., Meredith, Paul and Namdas, Ebinazar B. (2013). Unlocking the full potential of light emitting field-effect transistors by engineering charge injection layers. Organic Electronics, 14 (11), 2953-2961. doi: 10.1016/j.orgel.2013.08.013
Ullah, Mujeeb, Tandy, Kristen, Yambem, Soniya D., Aljada, Muhsen, Burn, Paul L., Meredith, Paul and Namdas, Ebinazar B. (2013). Simultaneous enhancement of brightness, efficiency, and switching in RGB organic light emitting transistors. Advanced Materials, Early View (43), 1-6. doi: 10.1002/adma.201302649
Zhang, Yuliang, Pandey, Ajay K., Tandy, Kristen, Dutta, Gitish K., Burn, Paul L., Meredith, Paul, Namdas, Ebinazar B. and Patil, Satish (2013). Channel II photocurrent quantification in narrow optical gap polymer-fullerene solar cells with complimentary acceptor absorption. Applied Physics Letters, 102 (22) 223302, 223302. doi: 10.1063/1.4808386
Hsu, Ben B. Y., Seifter, Jason, Takacs, Christopher J., Zhong, Chengmei, Tseng, Hsin-Rong, Samuel, Ifor D. W., Namdas, Ebinazar B., Bazan, Guillermo C., Fei, Huang, Cao, Yong and Heeger, Alan J. (2013). Ordered polymer nanofibers enhance output brightness in bilayer light-emitting field-effect transistors. ACS Nano, 7 (3), 2344-2351. doi: 10.1021/nn305566u
A new diketopyrrolopyrrole-based co-polymer for ambipolar field-effect transistors and solar cells
Tandy, Kristen, Dutta, Gitish K., Zhang, Yuliang, Venkatramaiah, N., Aljada, Muhsen, Burn, Paul L., Meredith, Paul, Namdas, Ebinazar B. and Patil, Satish (2012). A new diketopyrrolopyrrole-based co-polymer for ambipolar field-effect transistors and solar cells. Organic Electronics, 13 (10), 1981-1988. doi: 10.1016/j.orgel.2012.05.046
Chapler, B. C., Mack, S., Ju, L., Elson, T. W., Boudouris, B. W., Namdas, E., Yuen, J. D., Heeger, A. J., Samarth, N., Di Ventra, M., Segalman, R. A., Awschalom, D. D., Wang, F. and Basov, D. N. (2012). Infrared conductivity of hole accumulation and depletion layers in (Ga,Mn)As- and (Ga,Be)As-based electric field-effect devices. Physical Review B, 86 (16) 165302. doi: 10.1103/PhysRevB.86.165302
Structured-gate organic field-effect transistors
Aljada, Muhsen, Pandey, Ajay K., Velusamy, Marappan, Burn, Paul L., Meredith, Paul and Namdas, Ebinazar B. (2012). Structured-gate organic field-effect transistors. Journal of Physics D: Applied Physics, 45 (22) 225105, 225105. doi: 10.1088/0022-3727/45/22/225105
Control of efficiency, brightness, and recombination zone in light-emitting field effect transistors
Hsu, Ben B.Y., Duan, Chunhui, Namdas, Ebinazar B., Gutacker, Andrea, Yuen, Jonathan D., Huang, Fei, Cao, Yong, Bazan, Guillermo C., Samuel, Ifor D. W. and Heeger, Alan J. (2012). Control of efficiency, brightness, and recombination zone in light-emitting field effect transistors. Advanced Materials, 24 (9), 1171-1175. doi: 10.1002/adma.201103513
Solution-processed organic light-emitting transistors incorporating conjugated polyelectrolytes
Seo, Jung Hwa, Namdas, Ebinazar B., Gutacker, Andrea, Heeger, Alan J. and Bazan, Guillermo C. (2011). Solution-processed organic light-emitting transistors incorporating conjugated polyelectrolytes. Advanced Functional Materials, 21 (19), 3667-3672. doi: 10.1002/adfm.201100682
Siram, Raja Bhaskar Kanth, Tandy, Kristan, Horecha, Marta, Formanek, Petr, Stamm, Manfred, Gevorgyan, Suren, Krebs, Frederik C., Kiriy, Anton, Meredith, Paul, Burn, Paul L., Namdas, Ebinazar B. and Patil, Satish (2011). Synthesis and self-assembly of donor-acceptor-donor based oligothiophenes and their optoelectronic properties. Journal of Physical Chemistry C, 115 (29), 14369-14376. doi: 10.1021/jp204271c
Optoelectronic gate dielectrics for high brightness and high-efficiency light-emitting transistors
Namdas, Ebinazar B., Hsu, Ben B. Y., Yuen, Jonathan D., Samuel, Ifor D. W. and Heeger, Alan J. (2011). Optoelectronic gate dielectrics for high brightness and high-efficiency light-emitting transistors. Advanced Materials, 23 (20), 2353-2356. doi: 10.1002/adma.201004102
Mutkins, Karyn, Gui, Ke, Aljada, Muhsen, Schwenn, Paul E., Namdas, Ebinazar, Burn, Paul L. and Meredith, Paul (2011). A solution processable fluorene-benzothiadiazole small molecule for n-type organic field-effect transistors. Applied Physics Letters, 98 (15) 153301, 153301-1-153301-3. doi: 10.1063/1.3569818
Split-gate organic field effect transistors: Control over charge injection and transport
Hsu, Ben B.Y., Namdas, Ebinazar B., Yuen, Jonathan D., Cho, Shinuk, Samuel, Ifor D.W. and Heeger, Alan J. (2010). Split-gate organic field effect transistors: Control over charge injection and transport. Advanced Materials, 22 (41), 4649-4653. doi: 10.1002/adma.201001509
Conjugated polyelectrolytes for organic light emitting transistors
Seo, Jung Hwa, Namdas, Ebinazar B., Gutacker, Andrea, Heeger, Alan J. and Bazan, Guillermo C. (2010). Conjugated polyelectrolytes for organic light emitting transistors. Applied Physics Letters, 97 (4) 043303, 043303-1-043303-3. doi: 10.1063/1.3467856
Organic light emitting complementary inverters
Namdas, Ebinazar B., Samuel, Ifor D. W., Shukla, Deepak, Meyer, Dianne M., Sun, Yanming, Hsu, Ben B. Y., Moses, Daniel and Heeger, Alan J. (2010). Organic light emitting complementary inverters. Applied Physics Letters, 96 (4) 043304, 043304-1-043304-3. doi: 10.1063/1.3293293
Phosphorescent light-emitting transistors: Harvesting triplet excitons
Namdas, Ebinazar B., Hsu, Ben B. Y., Liu, Zehua, Lo, Shih-Chun, Burn, Paul L. and Samuel, Ifor D. W. (2009). Phosphorescent light-emitting transistors: Harvesting triplet excitons. Advanced Materials, 21 (48), 4957-4961. doi: 10.1002/adma.200900919
Samuel, Ifor D. W., Namdas, Ebinazar B. and Turnbull, Graham A. (2009). How to recognize lasing. Nature Photonics, 3 (10), 546-549. doi: 10.1038/nphoton.2009.173
Nonlinear transport in semiconducting polymers at high carrier densities
Yuen, Jonathan D., Menon, Reghu, Coates, Nelson E., Namdas, Ebinazar B., Cho, Shinuk, Hannahs, Scott T., Moses, Daniel and Heeger, Alan J. (2009). Nonlinear transport in semiconducting polymers at high carrier densities. Nature Materials, 8 (7), 572-575. doi: 10.1038/NMAT2470
Namdas, Ebinazar B., Tong, Minghong, Ledochowitsch, Peter, Mednick, Sarah R., Yuen, Jonathan D., Moses, Daniel and Heeger, Alan J. (2009). Low thresholds in polymer lasers on conductive substrates by distributed feedback nanoimprinting: Progress toward electrically pumped plastic lasers. Advanced Materials, 21 (7), 799-802. doi: 10.1002/adma.200802436
High performance light emitting transistors
Namdas, Ebinazar B., Ledochowitsch, Peter, Yuen, Jonathan D., Moses, Daniel and Heeger, Alan J. (2008). High performance light emitting transistors. Applied Physics Letters, 92 (18) 183304, 183304-1-183304-3. doi: 10.1063/1.2920436
Gate-controlled light emitting diodes
Namdas, Ebinazar B., Swensen, James S., Ledochowitsch, Peter, Yuen, Jonathan D., Moses, Daniel and Heeger, Alan J. (2008). Gate-controlled light emitting diodes. Advanced Materials, 20 (7), 1321-1324. doi: 10.1002/adma.200701944
Electrochemical doping in electrolyte-gated polymer transistors
Yuen, Jonathan D., Dhoot, Anoop S., Namdas, Ebinazar B., Coates, Nelson E., Heeney, Martin, McCulloch, Iain, Moses, Daniel and Heeger, Alan J. (2007). Electrochemical doping in electrolyte-gated polymer transistors. Journal of the Americal Chemical Society, 129 (46), 14367-14371. doi: 10.1021/ja0749845
Solution processable phosphorescent rhenium(I) dendrimers
Pu, Yong-Jin, Harding, Ruth E., Stevenson, Stuart G., Namdas, Ebinazar B., Tedeschi, Christine, Markham, Jonathan P. J., Rummings, Richard J., Burn, Paul L. and Samuel, Ifor D. W. (2007). Solution processable phosphorescent rhenium(I) dendrimers. Journal of Materials Chemistry, 17 (40), 4255-4264. doi: 10.1039/b707896j
Effect of generation and soft lithography on semiconducting dendrimer lasers
Lawrence, Justin R., Namdas, Ebinazar B., Richards, Gary J., Burn, Paul L. and Samuel, Ifor D. W. (2007). Effect of generation and soft lithography on semiconducting dendrimer lasers. Advanced Materials, 19 (19), 3000-3003. doi: 10.1002/adma.200602392
Tiwari, S. P., Namdas, E. B., Rao, V. R., Fichou, D. and Mhaisalkar, S. G. (2007). Solution-processed n-type organic field-effect transistors with high ON/OFF current ratios based on fullerene derivatives. IEEE Electron Device Letters, 28 (10), 880-883. doi: 10.1109/LED.2007.905960
Improved pentacene device characteristics with sol-gel SiO2 dielectric films
Cahyadi, T., Tan, H. S., Namdas, E. B., Mhaisalkar, S. G., Lee, P. S., Chen, Z. K., Ng, C. M. and Boey, F. Y. C. (2007). Improved pentacene device characteristics with sol-gel SiO2 dielectric films. Organic Electronics, 8 (4), 455-459. doi: 10.1016/j.orgel.2006.12.006
The synthesis and properties of iridium cored dendrimers with carbazole dendrons
Lo, Shih-Chun, Namdas, Ebinazar B., Shipley, Christopher P., Markham, Jonathan P. J., Anthopolous, Thomas D., Burn, Paul L. and Samuel, Ifor D. W. (2006). The synthesis and properties of iridium cored dendrimers with carbazole dendrons. Organic Electronics, 7 (2), 85-98. doi: 10.1016/j.orgel.2005.11.003
Priyadarshi, A., Shimin, L., Mhaisalkar, S. G., Rajoo, R., Wong, E. H., Kripesh, V. and Namdas, E. B. (2005). Characterization of optical properties of acrylate based adhesives exposed to different temperature conditions. Journal of Applied Polymer Science, 98 (3), 950-956. doi: 10.1002/app.22003
A light-blue phosphorescent dendrimer for efficient solution-processed light-emitting diodes
Lo, Shih-Chun, Richards, Gary J., Markham, Jonathan P. J., Namdas, Ebinazar B., Sharma, Sanjay, Burn, Paul L. and Samuel, Ifor D. W. (2005). A light-blue phosphorescent dendrimer for efficient solution-processed light-emitting diodes. Advanced Functional Materials, 15 (9), 1451-1458. doi: 10.1002/adfm.200400560
Lo, Shih-Chun, Anthopoulos, Thomas D,, Namdas, Ebinazar B., Burn, Paul L. and Samuel, Ifor D. W. (2005). Encapsulated cores: Host-free organic light-emitting diodes based on solution-processible electrophosphorescent dendrimers. Advanced Materials, 17 (16), 1945-1948. doi: 10.1002/adma.200500020
Simple color tuning of phosphorescent dendrimer light emitting diodes
Namdas, Ebinazar B., Anthopoulos, Thomas D., Samuel, Ifor D. W., Frampton, Michael J., Lo, Shih-Chun and Burn, Paul L. (2005). Simple color tuning of phosphorescent dendrimer light emitting diodes. Applied Physics Letters, 86 (16) 161104, 161104-1-161104-3. doi: 10.1063/1.1899256
Namdas, Ebinazar B., Ruseckas, Arvydas, Samuel, Ifor D. W, Lo, Shih-Chun and Burn, Paul L. (2005). Triplet exciton diffusion in fac-tris(2-phenylpyridine) iridium(III)-cored electroluminescent dendrimers. Applied Physics Letters, 86 (9) 091104, 091104-1-091104-3. doi: 10.1063/1.1867571
Tuning of emission color for blue dendrimer blend light-emitting diodes
Markham, Jonathan P. J., Namdas, Ebinazar B., Anthopoulos, Thomas D., Samuel, Ifor D. W., Richards, Gary J. and Burn, Paul L. (2004). Tuning of emission color for blue dendrimer blend light-emitting diodes. Applied Physics Letters, 85 (9), 1463-1465. doi: 10.1063/1.1784521
Brancaleon, L., Magennis, S. W., Samuel, I. D. W., Namdas, E., Lesar, A. and Moseley, H. (2004). Characterization of the photoproducts of protoporphyrin IX bound to human serum albumin and immunoglobulin G. Biophysical Chemistry, 109 (3), 351-360. doi: 10.1016/j.bpc.2003.12.008
Solution-processable red phosphorescent dendrimers for light-emitting device applications
Anthopoulos, Thomas D,, Frampton, Michael J., Namdas, Ebinazar B., Burn, Paul L. and Samuel, Ifor D. W. (2004). Solution-processable red phosphorescent dendrimers for light-emitting device applications. Advanced Materials, 16 (6), 557-560. doi: 10.1002/adma.200306095
Namdas, Ebinazar B., Ruseckas, Arvydas, Samuel, Ifor D. W., Lo, Shih-Chun and Burn, Paul L. (2004). Photophysics of fac-tris(2-phenylpyridine) iridium(III) cored electroluminescent dendrimers in solution and films. Journal of Physical Chemistry B, 108 (5), 1570-1577. doi: 10.1021/jp035664k
The synthesis and properties of solution processable red-emitting phosphorescent dendrimers
Frampton, Michael J., Namdas, Ebinazar B., Lo, Shih-Chun, Burn, Paul L. and Samuel, Ifor D. W. (2004). The synthesis and properties of solution processable red-emitting phosphorescent dendrimers. Journal of Materials Chemistry, 14 (19), 2881-2888. doi: 10.1039/b400160e
Lo, S. C., Namdas, E. B., Burn, P. L. and Samuel, I. D. W. (2003). Synthesis and properties of highly efficient electroluminescent green phosphorescent iridium cored dendrimers. Macromolecules, 36 (26), 9721-9730. doi: 10.1021/ma030383w
Conformations and photophysics of a stilbene dimer
Ruseckas, A., Namdas, E. B., Lee, J. Y., Mukamel, S., Wang, S. J., Bazan, G. C. and Sundstrom, V. (2003). Conformations and photophysics of a stilbene dimer. Journal of Physical Chemistry A, 107 (40), 8029-8034. doi: 10.1021/jp027536m
Influence of molecular structure on the properties of dendrimer light-emitting diodes
Anthopoulos, Thomas D., Markham, Jonathan P. J., Namdas, Ebinazar B., Lawrence, Justin R., Samuel, Ifor D. W., Lo, Shih-Chun and Burn, Paul L. (2003). Influence of molecular structure on the properties of dendrimer light-emitting diodes. Organic Electronics, 4 (2-3), 71-76. doi: 10.1016/j.orgel.2003.08.015
Highly efficient single-layer dendrimer light-emitting diodes with balanced charge transport
Anthopoulos, Thomas D., Markham, Jonathan P. J., Namdas, Ebinazar B., Samuel, Ifor D. W., Lo, Shih-Chun and Burn, Paul L. (2003). Highly efficient single-layer dendrimer light-emitting diodes with balanced charge transport. Applied Physics Letters, 82 (26), 4824-4826. doi: 10.1063/1.1586999
Luminescence quenching by inter-chain aggregates in substituted polythiophenes
Ruseckas, A., Namdas, E. B., Theander, M., Svensson, M., Yartsev, A., Zigmantas, D., Andersson, M. R., Inganas, O. and Sundstrom, V. (2001). Luminescence quenching by inter-chain aggregates in substituted polythiophenes. Journal of Photochemistry and Photobiology A: Chemistry, 144 (1), 3-12. doi: 10.1016/S1010-6030(01)00517-2
Ruseckas, Arvydas, Namdas, Ebinazar B., Ganguly, Tapan, Theander, Mathias, Svensson, Mattias, Andersson, Mats R., Inganas, Olle and Sundstrom, Villy (2001). Intra- and interchain luminescence in amorphous and semicrystalline films of phenyl-substituted polythiophene. Journal of Physical Chemistry B, 105 (32), 7624-7631. doi: 10.1021/jp010511n
Correlation between lasing and photophysical performance of dyes in polymethylmethacrylate
Deshpande, A. V. and Namdas, E. B. (2000). Correlation between lasing and photophysical performance of dyes in polymethylmethacrylate. Journal of Luminescence, 91 (1-2), 25-31. doi: 10.1016/S0022-2313(00)00210-6
Lam, Sio Kuan, Namdas, Ebinazar and Lo, Dennis (1998). Effects of oxygen and temperature on phosphorescence and delayed fluorescence of erythrosin B trapped in sol-gel silica. Journal of Photochemistry and Photobiology A: Chemistry, 118 (1), 25-30.
Spectroscopic properties of Na-fluorescein in polyacrylic acid films
Deshpande, Aparna V. and Namdas, Ebinazar B. (1997). Spectroscopic properties of Na-fluorescein in polyacrylic acid films. Journal of Photochemistry and Photobiology A: Chemistry, 110 (2), 177-182. doi: 10.1016/S1010-6030(97)00181-0
Lasing action of rhodamine B in polyacrylic acid films
Deshpande, A. V. and Namdas, E. B. (1997). Lasing action of rhodamine B in polyacrylic acid films. Applied Physics B: Lasers and Optics, 64 (4), 419-422. doi: 10.1007/s003400050193
Efficient lasing action of Rhodamine 6G in Nafion membranes
Deshpande, Aparna V. and Namdas, Ebinazar B. (1996). Efficient lasing action of Rhodamine 6G in Nafion membranes. Chemical Physics Letters, 263 (3-4), 449-455. doi: 10.1016/S0009-2614(96)01247-X
Khanikar, Prabal Dweep, Moudgil, Akshay, Sandhu, Harmanpreet Kaur, Dewan, Sheetal, Sharma, Sumit, Lo, Shih-Chun, Namdas, Ebinazar B. and Das, Samaresh (2023). High Performance CVD Grown Nanolayered PtSe2/SOI Heterostructure for Broadband Photodetection. IEEE. doi: 10.1109/nano58406.2023.10231181
Hybrid light emitting transistors
Muhieddine, Khalid, Ullah, Mujeeb, Namdas, Ebinazar B. and Burn, Paul L. (2015). Hybrid light emitting transistors. Conference on Organic Field-Effect Transistors XIV; and Organic Sensors and Bioelectronics, San Diego, CA, United States, 9-12 August 2015. BELLINGHAM: SPIE-INT SOC OPTICAL ENGINEERING. doi: 10.1117/12.2187005
Light emitting transistor for lasers
Namdas, Ebinazar B. (2015). Light emitting transistor for lasers. Microoptics Conference (MOC), Fukuoka, Japan, 25-28 October 2015. Piscataway, NJ, United States: IEEE. doi: 10.1109/MOC.2015.7416399
Light emitting transistors: A new route for display pixels
Namdas, Ebinazar B. (2015). Light emitting transistors: A new route for display pixels. Conference on Organic Light Emitting Materials and Devices XIX, San Diego Ca, 9-11th August, 2015. BELLINGHAM: SPIE-INT SOC OPTICAL ENGINEERING. doi: 10.1117/12.2187708
Solution-processed non-polymeric organic photodiodes
Kim, Il Ku, Meredith, Paul, Burn, Paul L., Lo, Shih-Chun and Namdas, Ebinazar B. (2015). Solution-processed non-polymeric organic photodiodes. Conference on Organic Field-Effect Transistors XIV; and Organic Sensors and Bioelectronics VIII, San Diego, CA., United States, 09-12 August 2015. Bellingham, WA., United States: S P I E - International Society for Optical Engineering. doi: 10.1117/12.2187583
Jansen-Van Vuuren R.D., Maasoumi P., Namdas E.B. and Burn P.L. (2014). The development of dendronized polymers containing phosphorescent iridium(III) complexes for solutionprocessable OLED Devices. Solid-State and Organic Lighting, SOLED 2014, Canberra, Australia, 2-5 December 2014. Washington, D.C.: Optical Society of America (OSA). doi: 10.1364/SOLED.2014.DW5C.4
Is melanin a semiconductor: The mysteries of electrical conduction and melanin bioelectronics?
Meredith, P., Mostert, B., Gentle, I. R., Hanson, G., Tandy, K., Namdas, E., Pratt, F. and Powell, B. J. (2011). Is melanin a semiconductor: The mysteries of electrical conduction and melanin bioelectronics?. ipcc2011: International Pigment Cell Conference. Skin and Other Pigment Cells: Bridging Clinical Medicine and Science, Bordeaux, France, 20-24 September 2011. Malden, MA, U.S.A.: Wiley-Blackwell Publishing. doi: 10.1111/j.1755-148X.2011.00885.x
Quasi one-dimensional transport in doped PBTTT and PBTTT thin film transistors
Yuen, Jonathan D., Menon, Reghu, Coates, Nelson E., Namdas, Ebinazar B., Cho, Shinuk, Hannahs, Scott T., Moses, Daniel and Heeger, Alan J. (2009). Quasi one-dimensional transport in doped PBTTT and PBTTT thin film transistors. In: Proceedings of SPIE - The International Society for Optical Engineering. SPIE Photonic Devices + Applications, San Diego, CA USA, (). 2009. doi:10.1117/12.825695
Pentacene organic field effect transistors on flexible substrates with polymer dielectrics
Tiwari, S. P., Rao, V. Ramgopal, Tan, Huei Shaun, Namdas, E. B. and Mhaisalkar, Subodh G. (2007). Pentacene organic field effect transistors on flexible substrates with polymer dielectrics. International Symposium on VLSI Technology, Systems and Applications 2007, Hsinchu, Taiwan, 23-25 April 2007. Piscataway, NJ, United States: IEEE. doi: 10.1109/VTSA.2007.378948
Dendrimers: Efficient solution-processed phosphorescent OLED materials
Anthopoulos, T. D., Namdas, E. B., Ruseckas, A., Samuel, I. D. W., Lo, S. C. and Burn, P. L. (2005). Dendrimers: Efficient solution-processed phosphorescent OLED materials. 25th International Display Research Conference, Edinburgh, Scotland, 19-22 September 2005. Playa del Rey, CA, USA: Society for Information Display.
Invited paper: Dendrimers - Efficient solution-processed phosphorescent OLED materials
Namdas, E. B., Markham, J. P. J., Anthopoulos, T. D., Samuel, I. D. W., Lo, S. C., Richards, G. J., Frampton, M. J. and Burn, P. L. (2005). Invited paper: Dendrimers - Efficient solution-processed phosphorescent OLED materials. 2005 SID International Symposium, 25-27 May 2005. doi: 10.1889/1.2036382
Conjugated dendrimers: A modular approach to materials for full colour displays
Markham, Jonathan P. J., Anthopoulos, Thomas D., Namdas, Ebinazar B., Lo, Shih-Chun, Richards, Gary J., Frampton, Michael J., Salata, Olga, Burn, Paul L. and Samuel, I. D. W. (2004). Conjugated dendrimers: A modular approach to materials for full colour displays. Conference on Organic Light-Emitting Materials and Devices VII, San Diego, CA, United States, 4-6 August 2003. Bellingham, WA, United States: S P I E - International Society for Optical Engineering. doi: 10.1117/12.512062
Luminescence from inter-chain aggregates in polythiophene films
Ruseckas, A., Namdas, E., Theander, M., Svensson, M., Yartsev, A., Zigmantas, D., Andersson, M. R., Inganas, O. and Sundstrom, V. (2001). Luminescence from inter-chain aggregates in polythiophene films. 16th International Conference on Science and Technology of Synthetic Metals (ICSM 2000), Gastein, Austria, 15-21 July 2000. Lausanne, Switzerland: Elsevier. doi: 10.1016/S0379-6779(00)00721-9
Mai, Van T. N., Shukla, Atul, Senevirathne, A. M. Chathuranganie, Allison, Ilene, Lim, Hyunsoo, Romain J. Lepage, Sarach K. M. McGregor, Michael Wood, Toshinori Matsushima , Evan G. Moore, Elizabeth H. Krenske, Atula S. D. Sandanayaka, Chihaya Adachi, Ebinazar B. Namdas and Shih-Chun Lo (2020). Organic semiconductor lasers: lasing operation under long‐pulse excitation in solution‐processed organic gain medium: toward CW lasing in organic semiconductors (Advanced Optical Materials 21/2020). Advanced Optical Materials: Wiley.
Mai, V. T. N., Ahmad, V., Mamada, M., Fukunaga, T., Shukla, A., McGregor, S. K. M., Adachi, C., Namdas, E. B. and Lo, S.-C. (2020). Triplet quencher. 2020903603.
Wallwork, N. R., Shukla, A., Mai, V. T. N., McGregor, S. K. M., Namdas, E. B. and Lo, S.-C. (2019). Dyes and methods of use. PCT/AU2020/051068.
Compound, organic semiconductor laser and method for producing same
Mai, V. T. N., Shukla, A., Senevirathne, A. M. Chathuranganie, Allison, I., McGregor, S. K. M., Matsushima, T., Sandanayaka, A. S. D., Adachi, C., Namdas, E. B. and Lo, S.-C. (2019). Compound, organic semiconductor laser and method for producing same. PCT/JP2020/22326.
Kim, Il Ku, Li, Xin, Ullah, Mujeeb, Shaw, Paul E., Wawrzinek, Robert, Namdas, Ebinazar B. and Lo, Shih-Chun (2015). High performance, fullerene-free organic photodiodes based on a solution processable indigo: supporting information. Wiley. (Dataset) doi: 10.14264/uql.2016.913
Muhieddine, Khalid, Ullah, Mujeeb, Maasoumi, Fatemeh, Burn, Paul L. and Namdas, Ebinazar B. (2015). Hybrid area emitting transistors: solution processable and with high aperture ratios: supplementary information. Wiley. (Dataset) doi: 10.14264/uql.2016.912
An Advanced Ultrafast Laser Spectroscopy Facility in Queensland
(2021–2023) ARC Linkage Infrastructure, Equipment and Facilities
High-brightness, low-efficiency roll-off materials for augmented realities
(2020–2023) ARC Discovery Projects
Molecular Beam Epitaxy and Chain Sublimation Instrumentation for Organic-Inorganic Interfaces
(2019) UQ Major Equipment and Infrastructure
Large area opto-electronics for Australia and India: from materials to advanced devices
(2017–2021) Department of Industry, Innovation, and Science - Australia-India Strategic Research Fund
Light Emitting Transistors: A New Route to Digital Displays and Lasers
(2016–2020) ARC Discovery Projects
Next-generation hybrid semiconductors and light-emitting devices
(2016–2019) UQ Fellowships
Advanced Superfluid Physics Facility
(2015–2016) UQ Major Equipment and Infrastructure
Molecular Alignments in Organic Semiconductors
(2014–2017) ARC Discovery Projects
Facility for fabrication and characterisation of micro/nano-optoelectronic devices
(2014) UQ Major Equipment and Infrastructure
(2012–2016) ARC Discovery Projects
Organic-Inorganic Hybrid Electronic Devices and Logic Circuits
(2012–2016) ARC Future Fellowships
Active Channel Organic Transistors
(2011–2013) ARC Discovery Projects
Construction and study of Bipolar Organic Field Effect Transistors
(2011–2012) UQ New Staff Research Start-Up Fund
Organic Inorganic hybrid photodetectors
Doctor Philosophy — Principal Advisor
Other advisors:
New approaches to the development of highly efficient organic chromophores
Doctor Philosophy — Associate Advisor
Other advisors:
Highly efficient light-emitting materials for low device efficiency roll-off
Doctor Philosophy — Associate Advisor
Other advisors:
Charge Transport and Recombination in Organic Photodiodes
(2023) Doctor Philosophy — Principal Advisor
Other advisors:
External quantum efficiency roll-off in organic light-emitting diodes
(2022) Doctor Philosophy — Principal Advisor
Other advisors:
Organic Light Emitting Devices: Towards Electrically Pumped Laser
(2021) Doctor Philosophy — Principal Advisor
Other advisors:
High Performance Organic Light-emitting Devices
(2020) Doctor Philosophy — Principal Advisor
Other advisors:
Light Detection and Harvesting Systems using Organic Semiconductors
(2016) Doctor Philosophy — Principal Advisor
Other advisors:
New Insights into Organic Light Emitting Devices: photophysics, recombination, and out coupling
(2016) Doctor Philosophy — Principal Advisor
The Best of Both Worlds: Hybrid Thin Film Circuitry for Light Emitting Applications
(2016) Doctor Philosophy — Principal Advisor
Active Channel Field-Effect Transistors: towards high performance light emitting transistors
(2014) Doctor Philosophy — Principal Advisor
Development of Luminescent Chromophores for Displays and Lasers
(2023) Doctor Philosophy — Associate Advisor
Other advisors:
(2022) Doctor Philosophy — Associate Advisor
Novel Organic Semiconductor Materials for High-Efficiency Optoelectronics
(2022) Doctor Philosophy — Associate Advisor
Other advisors:
Solution-processable organic semiconductor materials for solid-state organic lasers
(2020) Doctor Philosophy — Associate Advisor
Other advisors:
Electro-Optics of Organic Solar Cells and Photodiodes
(2015) Doctor Philosophy — Associate Advisor
Other advisors:
The Effect of Structure on Optoelectronic and Charge Transport Properties in Dendrimers
(2013) Doctor Philosophy — Associate Advisor
Other advisors:
Note for students: The possible research projects listed on this page may not be comprehensive or up to date. Always feel free to contact the staff for more information, and also with your own research ideas.
Organic Semiconducting Lasers