Conference Publications 
 (Selected international conference presentations)
  1. Ashraf Uddin, Mushfika Baishakhi Upama, Naveen Elumalai, Md Arafat Mahmud, Dian Wang, Matthew Wright and Cheng Xu, “Analysis of Burn-in loss of Open Circuit Voltage and Fill factor in Inverted Organic Solar Cells”, 4th Annual World Congress of Smart Materials 2018, 6-8 March, Osaka, Japan.
     

  2. Ashraf Uddin, Md Arafat Mahmud, Naveen Kumar Elumalai, Mushfika Baishakhi Upama, Dian Wang, Matthew Wright, Faiazul Haque, Cheng Xu, “Low Temperature Process Efficient Perovskite Solar Cell”, Advanced Materials World Congress 2018, 4 - 8 February, Singapore
     

  3. Cheng Xu, Matthew Wright, Naveen Elumalai, Md Arafat Mahmud, Dian Wang, Mushfika Baishakhi Upama, Ashraf Uddin, “Interface engineering of ZnO interlayer for efficient and stable PffBT4T:20D based organic solar cells:, MRS fall meeting and exhibition, 26 November to 1 December 2017, Boston, USA.  
     

  4. Ashraf Uddin, Mushfika Baishakhi Upama, Cheng Xu, Naveen Kumar Elumalai, Md Arafat Mahmud, Matthew Wright, Dian Wang, Faiazul Haque, “Novel Donor and Acceptor Systems for High Performance Organic Solar Cells”, Asia-Pacific Solar Research Conference, December 5 – 7, 2017, Melbourne, Australia.  
     

  5. Naveen Kumar Elumalai, Md Arafat Mahmud, Mushfika Baishakhi Upama, Dian Wang, Cheng Xu, Matthew Wright, Faiazul Haque, Ashraf Uddin,   “Low Temperature Processed Electron Transport Layer for High Performance Perovskite Solar Cells”, Asia-Pacific Solar Research Conference, December 5 – 7, 2017, Melbourne, Australia.
     

  6. Ashraf Uddin, Md Arafat Mahmud, Naveen Kumar Elumalai, Dian Wang, Mushfika Baishakhi Upama, Matthew Wright, Kah Howe Chan, Faiazul Haque and Cheng Xu, “Perovskite solar cells for roll-to-roll fabrication”, World Renewable Energy Congress 2017, p  ???, Perth, Western Australia.  
     

  7. Mushfika Baishakhi Upama, Matthew Wright, Naveen Kumar Elumalai, Md Arafat Mahmud, Dian Wang, Kah Howe Chan, Cheng Xu, Faiazul Haque, Ashraf Uddin, “Optical Modelling of Semi-transparent OPV devices”, NUSOD 2016, University of Sydney, 11 – 15 July 2016.(Proc. Page 45 -46).
     

  8. Ashraf Uddin and Naveen Elumalai, “Organic-inorganic hybrid Photovoltaic Research and Achievement”, Energy Future Conference 2016, p165, UNSW Sydney, Australia.
     

  9. Md Arafat Mahmud, Naveen Kumar Elumalai, Dian Wang, Matthew Wright, Mushfika Baishakhi Upama,  Kah Howe Chan, Cheng Xu and Ashraf Uddin, “Enhanced Interfacial Charge Transport in Mixed-Organic-Cation based Perovskite Solar Cells”, 32nd EU PVSEC, Munich, Germany, 20 - 24 June 2016.
     

  10. Mushfika Baishakhi Upama, Matthew Wright, Naveen Kumar Elumalai, Cheng Xu, Md Arafat Mahmud, Dian Wang, Kah Howe Chan, Ashraf Uddin, “Sensitization of PTB7:PC71BM Organic Solar Cells by Using Si-PCPDTBT”, 43rd IEEE Photovoltaic Specialists Conference, 2016, ????-????, Portland, Oregon, USA.
     

  11. Dian Wang, Naveen Kumar Elumalai, Md Arafat Mahmud, Mushfika Baishakhi Upama, Matthew Wright, Kah Howe Chan, Cheng Xu, Ashraf Uddin, “Effect of PCBM film thickness on the performance of inverted Perovskite solar cells”, 43rd IEEE Photovoltaic Specialists Conference, 2016, 1670-1672, Portland, Oregon, USA.
     

  12. Naveen Kumar Elumalai, Arafat Mahmud, Dian Wang, Matthew Wright, Mushfika Baishakhi Upama, Kah Howe Chan, Cheng Xu and Ashraf Uddin, “Hysteresis and electrode polarization in normal and inverted hybrid perovskite solar cells”, 43rd IEEE Photovoltaic Specialists Conference, 2016, 0764-0767 Portland, Oregon, USA.
     

  13. Md Arafat Mahmud, Naveen Kumar Elumalai, Mushfika Baishakhi Upama, Dian Wang, Matthew Wright, Kah Howe Chan, Cheng Xu, Ashraf Uddin, “Performance Enhancement with Doped P3HT in a Low Temperature Solgel ZnO Processed Perovskite Solar Cell”, 43rd IEEE Photovoltaic Specialists Conference, 2016, 1653-1656, Portland, USA.
     

  14. Ashraf Uddin, “Surface Plasmonic Effects on Organic Solar Cells”, Nanotech    conference -2016, 48, Dubai, UAE.   
     

  15. Ashraf Uddin, Rui Lin and Matthew Wright, “Efficiency enhancement of bulk-heterojunction organic solar cells by using sensitizer”, 6th world conference on Photovoltaic Energy Conversion (WCPEC-6), Kyoto, Japan, 23-27 November 2014.
     

  16. Rui Lin, Kah Chan, Matthew Wright, Kuan Chen and Ashraf Uddin, “Solution derived Al-doped ZnO buffer layer in PCPDTBT:PC71BM inverted organic solar cell ”, 29th EUPVSEC, Amsterdam, Netherlands, 22 - 26 September 2014.  
     

  17. Kah Chan, Rui Lin, Ashraf Uddin, Supriya Pillai, “Effect of Incorporating Silver Nanoparticles near Both Interfaces of the Active Layer in Organic Solar Cells”, 29th EUPVSEC, Amsterdam, Netherlands, 22 - 26 September 2014.
     

  18. Kah Chan, Rui Lin, Ashraf Uddin and Supriya Pillai, “Light Trapping via Plasmonic Nanoparticles Embedded in Charge Transport Layer of Organic Solar Cells”, The 52th AuSES Annual Conference, 8 -9 May 2014, Melbourne.     
     

  19. Ashraf Uddin and C. C. Teo, Fabrication of high efficient organic/CdSe quantum dots hybrid OLEDs by spin-coating method, SPIE International Symposium on SPIE OPTO 2–7 February 2013, San Francisco, California, USA.
     

  20. Fang QI1*, Ran CHEN1, Ashraf Uddin, Study of anodic aluminium oxide (AAO) mold for the ordered organic PV device morphology control, 27th European Photovoltaic Solar Energy Conference and Exhibition, Frankfurt, (2012) 2871-2874.
     

  21. M. Wright, X. Yang, F. Caragay, and A. Uddin, Effect of solution concentration ratio on PCPDTBT:PC70BM bulk heterojunction organic solar cells, 27th EUPVSEC, Frankfurt, Germany, 24-28 September 2012.
     

  22. M. Wright, X. Yang, A. Uddin and F. Qi, Effect of Annealing on the Performance of Organic Solar Cells: A Review, Australian Solar Energy Society 49th Annual Conference, Sydney, 2011.
     

  23. X. Yang, A. Uddin, and M. Wright, Plasmon Enhanced Light Absorption in PCPDTBT:PC70BM Bulk-Heterojunction Organic Solar Cells, 27th European Photovoltaic Solar Energy Conference and Exhibition, Frankfurt, (2012) 2871-2874.
     

  24. M. Wright, X. Yang, F. Caragay, and A. Uddin, Effect of Solution Concentration Ratio on PCPDTBT:PC70BM Bulk Heterojunction Organic Solar Cells, 27th European Photovoltaic Solar Energy Conference and Exhibition, Frankfurt, (2012) 2893-2896.
     

  25. Matthew Wright and Ashraf Uddin, “Organic - Inorganic Hybrid Solar Cells: A Comparative Review”, The 49th AuSES Annual Conference, 31 November – 2 December, 2011, Sydney.
     

  26. Fang Qi, Thomas Harrison and Ashraf Uddin, “The Study of Anodic Aluminium Oxide (AAO) Nanoimprinting Mold for Ordered Morphology Control of Organic Solar Cells”,  The 49th AuSES Annual Conference, 31 November – 2 December, 2011, Sydney.   
     

  27. Matthew Wright and Ashraf Uddin, “Inorganic Acceptor Materials for Hybrid Solar Cells”, The 49th AuSES Annual Conference, 31 November – 2 December, 2011, Sydney. 
     

  28. Fang Qi, Xiaohan Yang, Matthew Wright and Ashraf Uddin, “Study of Annealing Effects on the Performance of Organic Solar Cells” The 49th AuSES Annual Conference, 31 November – 2 December, 2011, Sydney. 
     

  29. Xiaohan Yang and Ashraf Uddin, “Plasmon enhanced light absorption in bulk heterojunction organic solar cells”, The 49th AuSES Annual Conference, 31 November – 2 December, 2011, Sydney. 
     

  30. Ashraf Uddin, “Progress in Organic Photovoltaic Devices”, Low Carbon Earth Summit, 18 – 26 October 2011, Dalian, China.
     

  31. Ashraf Uddin, Xiaohan Yang and Fred Qi, “Morphology optimization of organic films for OPV devices” June 27 - 1 July, International Conference on Materials for Advanced Technologies (ICMAT)-2011, Singapore (oral presentation).
     

  32. Xiaohan Yang, Ashraf Uddin and Fang Qi, “Annealing Effects on the Nanomorphology for Bulk-heterojunction Organic Solar Cells” June 27 - 1 July, International Conference on Materials for Advanced Technologies (ICMAT)-2011, Singapore (poster presentation).
     

  33. Fang Qi and Ashraf Uddin “Advanced Nano-Morphology Control of P3HT: PCBM Organic Bulk Heterojunction Solar Cells” June 27 - 1 July, International Conference on Materials for Advanced Technologies (ICMAT)-2011, Singapore (Oral presentation).
     

  34. Richard Corkish, Stephen Bremner, Anna Bruce, Hanzheng Duo, Evatt Hawkes, Merlinde Kay, Alison Lennon, Alistair Sproul, Ted Spooner, Santosh Shrestha, Geoff Stapleton, Ashraf Uddin, Muriel Watt, Darcy Wentworth “Renewable Energy Education at UNSW” Solar 2010, the 48th AuSES Annual Conference, 1-3 December 2010, Canberra, ACT, Australia.
     

  35. Darryl Wang, Budi Tjahjono, Ashraf Uddin and Stuart Wenham, “Theoretical analysis of laser-doped semiconductor fingers silicon solar cell design using a shading and resistive power loss model” 25th PV Euro solar energy conference, 6-10 September 2010, Valencia, Spain.
     

  36. A. Uddin and C.B. Lee, “Exciton behaviors in doped tris (8-hydroxyquinoline) aluminum (Alq3) films”, 9th International Conference on Excitonic and Photonic Processes in Condensed and Nano Materials, (EXCON'10), 11 – 16 July 2010, Brisbane, Australia.
     

  37. A. Uddin and C. C. Teo, High Efficiency Self-assembly CdSe/ZnS Quantum dots Light-Emitting Devices in Organic Matrix, IEEE International Nano-Electronics Conference, 3 – 8 January 2010, City University of Hong Kong.
     

  38. A. Uddin and Yi Qu, "Investigation of high mobility two-dimensional electron gas in AlGaN/GaN heterostructures grown by hydride vapor phase epitaxy (HVPE)", Proceedings of the 6th International Conference on Electrical Engineering ICEENG 2008, 27 – 29 May 2008, Cairo, Egypt.
     

  39. A. Uddin and C. C. Teo, "Self Assembly of CdSe/ZnS Quantum Dots for Organic/Inorganic Light Emitting Devices for the Next Generation Display Technology", Proceedings of the International Conference on Nanotechnology (ICON008), 17 – 19 June 2008, Jeddah, Saudi Arabia.
     

  40. K. Junpei, H. Nakata, Li Huafang and A. Uddin, “Photoluminescence in GaN-related semiconductor on Si”, Fall meeting, Jpn. Soc. Appl. Phys., 2006. 
     

  41. A. Uddin and C. B. Lee, “Investigation of charge carrier transport properties in doped Alq3 films” 5rd International Conference on Materials Processing for Properties and Performance (MP3), 11 – 15 December 2006, Singapore, (oral presentation)
     

  42. A. Uddin and C.B. Lee, “Investigation of doping effects on charge carrier transport in Alq3”, 16 – 20 October, 2005 Frontiers of optics/Laser Science Conference, Tucson, Arizona, USA (oral presentation).
     

  43. A. Uddin, C.B. Lee, X. Hu, T.K.S.Wong and X.W. Sun, “Effect of doping on transport and optical properties of carriers in Alq3” 3 – 8 July, International Conference on Materials for Advanced Technologies (ICMAT)-2005, Singapore (oral presentation).
     

  44. C. B. Lee and A. Uddin, “Study of emitting assist dopant: 5,6,11,12-tetraphenyl napthacene (rubrene) in doped organic light emitting diodes” 3 – 8 July, International Conference on Materials for Advanced Technologies (ICMAT)-2005, Singapore (oral presentation).
     

  45. C. C. Teo and A. Uddin, “Self Assembly of CdSe/ZnS Quantum Dots for Trilayer Hybrid Organic/Inorganic Light Emitting Devices” 3 – 8 July, International Conference on Materials for Advanced Technologies (ICMAT)-2005, Singapore (oral presentation).
     

  46. Wenxiu Que, A. Uddin, and X. Hu, “Thin Film Titanium Oxide Electrodes derived by Sol-Gel Process for Photovoltaic Applications” 3 – 8 July, International Conference on Materials for Advanced Technologies (ICMAT)-2005, Singapore (oral presentation).
     

  47. Yi Qu, J. X. Zhang and A. Uddin, “High mobility two-dimensional electron gas in AlGaN/GaN heterostructures grown by hydride vapor phase epitaxy”, 3 – 8 July,    International Conference on Materials for Advanced Technologies (ICMAT)-2005, Singapore (oral presentation).
     

  48. J.X. Zhang, Y. Qu, Y.Z. Chen, A. Uddin, P. Chen, S.J. Chua and Shu Yuan, “High quality AlGaN/GaN heterostructure grown on silicon substrate by metalorganic chemical vapor deposition”, 3 – 8 July, International Conference on Materials for Advanced Technologies (ICMAT)-2005, Singapore (oral presentation).
     

  49. J.X. Zhang, Y. Qu, Y.Z. Chen, A. Uddin, P. Chen, S.J. Chua and Shu Yuan, “Photoluminescence study of thin GaN film grown on silicon substrate by metalorganic chemical vapor deposition”, 3 – 8 July, International Conference on Materials for Advanced Technologies (ICMAT)-2005, Singapore (oral presentation).
     

  50. J.X. Zhang, H. Cheng, Y.Z. Chen, A. Uddin, Shu Yuan, S. J. Geng, S. Zhang, “Growth of AlN films on Si (100) and Si(111) substrates by reactive magnetron sputtering”, The International Conference on Technological Advances of Thin Films & Surface Coatings, 13-17 July 2004, Singapore (oral presentation).
     

  51. A. Uddin, C. B. Lee and X. Hu, “Study of interface properties of electrodes for the Alq3 base OLEDs” SPIE International Conference on Smart Materials, Nano- and micro-smart Systems, 12 – 15 December 2004, Sydney, Australia, (oral presentation).
     

  52. A. Uddin, C.B.Lee, A.C.Nguyen, and X.Hu, “Study of carrier Injection from Al and NaCl/Al Cathodes into Alq3”, 3rd International Conference on Materials Processing for Properties and Performance (MP3), 24 – 26 November 2004, Singapore, (oral presentation).
     

  53. Yi Qu, A. Uddin, C. Y. Liu, and T. G. Andersson, “Highly Strained InGaAs Ridge Waveguide Lasers Fabricated with Pulsed Anodic Oxidation”, 3rd International Conference on Materials Processing for Properties and Performance (MP3), 24 – 26 November 2004, Singapore, (oral presentation).
     

  54. J.X. Zhang, Y. Qu, S.G. Ma, A. Uddin and Shu Yuan, “Characterisation of polycrystalline GaN on Si substrate with magnetron-sputtered buffer layer”, 3rd International Conference on Materials Processing for Properties and Performance (MP3), 24 – 26 November 2004, Singapore, (oral presentation).
     

  55. A. Uddin, C.B.Lee, L.C.Wai, X. Hu and T.K.S.Wong; "Investigation of carrier injection from Al and LiF/Al cathodes in Alq3", 7 – 12 December, International Conference on Materials for Advanced Technologies (ICMAT)-2003, Singapore (oral presentation).
     

  56. C.B. Lee, A. Uddin, X. Hu and X.Y.Zhao, "Indium-tin-oxide anode surface treatment effects on hole injection in Alq3", 7 – 12 December, International Conference on Materials for Advanced Technologies (ICMAT)-2003, Singapore (poster presentation).
     

  57. X. Hu, X.Y. Zhao, C.B.Lee and A. Uddin, “Preparation and characterisation of electric and optical properties of plasma polymerized nitriles”, 7 – 12 December, International Conference on Materials for Advanced Technologies (ICMAT)-2003, Singapore (oral presentation).
     

  58. S.S.Tan, T.P.Chen, R. Agrawal, A. Uddin, K.C.Tee, C.H.Ang and L. Chan, “Threshold voltage shift of ultrathin gate oxide p-MOSFET under unipolar negative bias temperature instability stress conditions”, 7 – 12 December, International Conference on Materials for Advanced Technologies (ICMAT)-2003, Singapore, (oral presentation).
     

  59. J.X. Zhang, Y.Z. Chen, H. Cheng, A. Uddin, Shu Yuan and P. Hing, S. J. Geng and S. Zhang, “Optimization of the sputtering deposition parameters of highly oriented AlN thin films on Si(111) by reactive RF magnetron sputtering”, International Conference on Materials for Advanced Technologies (ICMAT)-2003, 7 - 12 December 2003, Singapore (oral presentation).
     

  60. P. J. Edwards, W. N. Cheung, A. Uddin, G. Ganeshkumar, K. Tanaka, T. Morita, H. Kan and Y. Yamamoto ,"QUANTUM NOISE-SUPPRESSED OPERATION OF TRANSVERSE JUNCTION STRIPE LASER DIODES IN OPEN AND CLOSED LOOP OPTOCOUPLERS” Commad – 2000, (4 pages), Melbourne, Australia.
     

  61. P. J. Edwards, W. N. Cheung, A. Uddin, C. Jagadish and H. Tan, "REALIZATION AND CHARACTERISATION OF A LASER-DIODE ARRAY AMPLIFIER, " Commad – 2000, (5 pages), Melbourne, Australia.
     

  62. P. J. Edwards, W. N. Cheung, A. Uddin, and Y. Yamamoto, PHOTON TRANSISTOR     AN AMPLITUDE-SQUEEZED TRANSVERSE JUNCTION STRIPE LASER DIODE", CLEO/Europe – IQEC 2000; (4 pages), Nice, France.

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