Prof. LEE Chun Sing (李振聲)

Prof Chun-Sing Lee obtained his BSc and PhD degrees from the University of Hong Kong in 1987 and 1991 respectively. He embarked on his research career in the University of Birmingham of UK with the support from a Croucher Foundation Fellowship. He joined the faculty of the City University of Hong Kong in 1994 and is currently a Chair Professor of Materials Chemistry. He co-founded the Center Of Super-Diamond and Advanced Films (COSDAF) in 1998 and served as the Center’s Director in 2012 - 2022. Prof Lee’s current research interests include organic electronics devices and nanomaterials for energy, environmental and biomedical applications.

• Member, RGC's Physical Sciences Panel (Joint Research Schemes)
• Member, RGC’s Competitive Research Funding Schemes for the Local Self-financing Degree Sector (Physical Sciences) 
• Member, ITC’s Enterprise Support Scheme (ESS) Assessment Panel
• Member, ITC's Innovation and Technology Fund Research Projects Assessment Panel (Nanotechnology and Material Technology) 
• Former Member, RGC's Physical Sciences Panel
• Former Director, Nano and Advanced Materials Institute Limited (NAMI)

• Biomedical Materials
• Nanoscience and Nanotechnology
• Organic Light-Emitting Devices (OLEDs)
• Organic Optoelectronics
• Surface Science of Organic Semiconductors and Nanomaterials

• Former Editor-in-Chief of Materials Today Energy (Elsevier)
• Associate Editor of Thin Solid Films (Elsevier)
• Editorial board member of Materials Today (Elsevier)
• Editorial board member of Materials Today Advances (Elsevier)
• Editorial board member of Materials Today Chemistry (Elsevier)
• Editorial board member of Materials Today Nano (Elsevier)
• Editorial board member of Materials Today Physics (Elsevier)
• Editorial board member of Materials Today Sustainability (Elsevier)
• Editorial board member of Applied Materials Today (Elsevier)
• Editorial board member of Physica Status Solidi (Wiley)
• Advisory board member of Asia Materials (Nature Publishing Group)

Conferences Organization

Keynote Speakers

1. “Biomedical applications of OLED and OPV molecules”, PIERS (Progress in Electromagnetics Research Symposium) 2017, 22-25 May, 2017, St Petersburg, Russia
2. "Similarities between organometallic halide Perovskite & Conventional organic semiconductors" The 3rd Small Science Symposium- Flexible and Wearable Devices, 14-17 May 2017, The Hong Kong Polytechnic University, Hong Kong SAR
3. “Recent Scene of Hong Kong’s Research Efforts on Nanotechnology”, The 10^th Cross-Strait Workshop on Nanoscience and Technology, August 2013 (Inner Mongolia, China)
4. “Simple Chemical Conversion of Copper-Indium-Selenide Nanowires and their Applications in Photovoltaic Devices”, International Conference on Advanced Materials, January 2012 (Chennai, India).
5. “Interfaces of Organic Semiconductors and Their Influences on Device Performance”, The 8^th National Conference on Solid State Electron Process, June 2010 (Xian, China).
6. “Energy Level bending and dipole at organic heterojunctions and their implications on device performance”, The 4^th Workshop on Advanced Spectroscopy Organic Materials for Electronic Applications, October 8-12, 2007 (Chiba, Japan).

Plenary / Invited Talks

1. "Photoelectron Spectroscopic Studies On Organometal Halide Perovskites" The 9th International workshop on Electronic Structure and Processes at Molecular-Based Interfaces (ESPMI9), 7 – 10 November 2017, Singapore
2.  “Molecular design and device architectures for high performance thermally activated delayed fluorescent OLEDs”, the SPIE International Symposium on Optics & Photonics 2017, 6-10 August 2017, San Diego California, USA
3. The 2nd international TADF workshop, 19-21 July 2017, Kyushu, Japan
4. "Biomedical applications of OLED and OPV molecules" The 9th International Conference on Materials for Advanced Technologies (ICMAT 2017), 18 – 23 June 2017, Singapore
5. “Charge-transfer state and its application in organic electronics”, Global Photovoltaic Conference 2017, 15-17 March 2017, Gwangju, Korea
6. “Biomedical applications of organic nanostructures via optical excitations”, The LED General Forum 2015, 17 December 2016, Tokushima, Japan
7. “Biomedical applications of OLED and OPV molecules”, the 8th Asian Conference on Organic Electronics (A-COE 2016), 5-7 December 2016, Kyoto, Japan.
8. “Growth of nanowires with periodic morphologies via the vapor-liquid-solid mechanism”, The Applied Nanotechnology and Nanoscience International Conference 2016, 9-11 November 2016, Barcelona, Spain
9. “Applications of exciplex emission in thermally activated delayed fluorescent OLEDs”, the 14th International Conference of Electroluminescence and Optoelectronic Devices 2016, 2-5 October 2016, Raleigh, North Carolina, USA
10. “Applications of exciplex emission in thermally activated delayed fluorescent OLEDs”, the 16th International Meeting on Information Display (IMID 2016), 23-26 August 2016, Jeju, Korea
11. “Bio-applications of fluorophores’ nanostructures”, the 18th International Workshop on Inorganic and Organic Electroluminescence (EL 2016). 21-24 July 2016, Taiyuan, China
12. “Preparation and biomedical applications of self-assembly organic nanoparticles”, The 30th annual meeting of Chinese Chemical Society (China-Australia symposium), 1-4 July 2016, Dailian, China
13. "The influences of charge transfer states on properties of organic optoelectronic devices -- From OLEDs to Perovskite Solar Cells", International Conference on the Science and Technology of Synthetic Metals, ICSM2016, 26 Jun 2016 - 1 Jul 2016, Guangzhou, China
14. "The influences of charge transfer states on properties of organic optoelectronic devices  -- From OLEDs to Perovskite Solar Cells", Sungkyun International Solar Forum 2016 (SISF2016), 25 May 2016 - 27 May 2016, Seoul, Korea, Republic of
15. "Preparation and Biomedical Applications of Self-assembly Organic Nanoparticles", International Symposium on Therapeutic Nanomedicine, 25 March 2016 - 28 March 2016, Hsinchu, Taiwan
16. "Periodic Growth of Nanowires via the Vapor-Liquid-Solid Mechanism", The 12th Cross-Strait Workshop on Nanoscience and Nanotechnology, 22 March 2016 - 25 March 2016, Taipei, Taiwan
17. "Applications of exciplex emission in thermally activated delayed fluorescent OLEDs", The International Symposium on Recent Advances and Future Issues in Organic Electroluminescence, 17 February 2016 - 18 February 2016, Seoul, Korea, Republic of
18. "Charge transfer states and their applications in thermally activated delayed fluorescent OLEDs", Solid-State and Organic Lighting (SOLED) meeting (part of Light, Energy, and the Environment Congress of OSA), 2 November 2015 - 6 November 2015, Suzhou, China
19. "Applications of exciplex emission in thermally activated delayed fluorescent OLEDs", 7th A-COE2015, 28 October 2015 – 31 October 2015, Beijing, China
20. "Charge transfer states and their applications in thermally activated delayed fluorescent OLEDs”, 2015年第九届全国暨华人有机分子和聚合物发光学术会议暨第一届有机电子学术会议, 11 October 2015 - 14 October 2015, Nanjing, China
21. “Applications of charge transfer states in thermally activated delayed fluorescence OLEDs”, ChinaNANO2015, 3 September 2015 – 5 September 2015, Beijing, China.
22. "Applications of exciplex emission in high performance organic light-emitting devices", The 2nd Cross-Strait Conference on Functional Materials Technology and Industry, 21 August 2015 - 25 August 2015, Xiamen, China
23. "Charge transfer states and their applications in thermally activated delayed fluorescent OLEDs", The Asian Pacific Conference on Chemistry of Materials 2015 (APCCOM 2015), 17 August 2015 - 20 August 2015, Beijing, China
24. “Applications of exciplex emission in high performance organic light-emitting devices”, 全国第十届有机固体电子过程暨华人有机光电功能材料学术讨论会, 7 August 2015 – 10 August 2015, Beijing, China
25. "The Influences of Charge Transfer States on Properties of Organic Optoelectronic Devices - From Oleds to Perovskite Solar Cells", The 5th Molecular Materials Meeting (M3) @ Singapore, 3 August 2015 – 5 August 2015, Singapore
26. “Exciplex emission and its applications in organic light-emitting devices” in   Changchun Institute of Optics, Fine Mechanics and Physics, CAS, 28 May 2015, China.
27. “Application of Charge Transfer Complexes in Organic Electronics” in Light, Energy and the Environment 2014 (OSA), 2-5 December 2014, Canberra, Australia.
28. “CityU’s Recent Works in the TBRS Project with Highlight on the Applications of Charge-Transfer Complexes” in Symposium for OLEDs and Organic Photovoltaics, The University of Hong Kong, 13 November 2014, Hong Kong.
29. “Application of Charge Transfer Complexes in Organic Electronics” in the 10^th International Conference on Electroluminescence and Organic Optoelectronics, Cologne University, 31 August – 4 September 2014, Cologne, Germany
30. “Charge transfer complex and itsapplications in light-emission andphotovoltaic devices” in International Conference on Nanoscience & Technology (ChinaNano2013), 5-7 September 2013, Beijing, China
31. “Stability enhancement of organic light-emitting and organic photovoltaic devices by interface engineering” in The 13th International Meeting on Information Display (IMID 2013), 26-29 August 2013, Daegu, Korea
32. “Recent Scene of Hong Kong’s Research Efforts on Nanotechnology” in The 10^th Cross-Strait Workshop on Nanoscience and Technology, 8-15 August 2013, Inner Mongolia, China
33. “Stability enhancement of organic light-emitting and organic photovoltaic devices by interface engineering” in The 8th National and Global Chinese Conference of Organic Molecules & Polymer Light-emitting Materials and Their  Opto-electronic Properties, 31 July 2013 – 2 August 2013, Changchun, China
34. “CIGS And Related Nanowire Arrays -- Their Preparation, Band Gap Engineering And Application In Solar Cell” in The Collaborative Conference On Materials Research (CCMR) 2013, 26-28 June 2013, Goyang, Korea
35. “Stability enhancement of organic light-emitting and organic photovoltaic devices by interface engineering” in International Workshop on Nanostructured Materials -Properties and Characteristics (1st), 17-18 June 2013, Beijing, China
36. “Exciplex emission, charge transfer complex and their implications to electroluminescent and photovoltaic processes” in the 16^th International Workshop on Inorganic and Organic Electroluminescence, 10-14 December 2012, Hong Kong
37. “Exciplex emission, charge transfer complex and their implications to electroluminescent and photovoltaic processes” in the 68^th International Union for Vacuum Science, Technique and Applications Workshop, 9-13 December 2012, Hong Kong
38. “Nanowires and their Applications in Photovoltaic Devices” in The Ninth International Conference on Advanced Semiconductor Devices and Microsystems, November 2012, Smolenice, Slovakia
39. “Exciplex emission and its relationship with electronic structure in organic heterojunction” in Organic Semiconductor Workshop 2012, 3-4 June 2012, China
40. “Bandgap engineering of Copper-Indium-Selenide nanowires and their applications in photovoltaic devices” in The 9th Cross-Strait Workshop on”Nanao Science and Technology”(CSWNST9), 22-25 April 2012, Taiwan
41. “Simple Chemical Conversion of Copper-Indium-Selenide Nanowires and their Applications in Photovoltaic Devices”, International Conference on Advanced Materials, January 2012, Chennai, India
42. "Interfacial engineering in organic photovoltaic devices for performance and stability enhancements”, Asian Conference on Organic Electronics 2011, 4-6 November 2011, Taipei, Taiwan
43. “Interface Physics & Engineering in Organic Photovoltaic Devices” in The 7th National & Global Chinese Conference of Organic Molecules ＆ Polymer Light-emitting Materials and Their Opto-electronic Properties, 9-12 October 2011, Zhangjiajie, China
44. “Enhancement of Performance & Stability of OPV Devices via Interface Engineering” in The 6th Electronic Structure and Processes at Molecular-Based Interfaces (ESPMI-VI) Workshop, 25-28 September 2011, Karlsruhe, Germany
45. “Interfacial Engineering of Organic Photovoltaic Devices” in Chinese Physics Society 2011 Fall Meeting, 15-18 September 2011, Hangzhou, China
46. “Interface of Organic semi-conductors and their inferences on devices performance”  The 8^th Symposium on Electronic Process Organic Solids, 13-17 June 2010, Xian, China
47. “Prediction of carrier injection barriers at organic-metal interfaces” 12th National Luminescence Conference, November 2010, Suzhou, China
48. “Interface Science and Engineering of Organic Photovoltaic Devices” Solar Energy Winter School, Nano and Advanced Materials Institute, 23 January 2010, Hong Kong
49. “Conversion of One-Dimensional Nanostructured CuInSe2 and Related Materials via Simple Chemistry & Physics, Tsinghua University Tokyo Institute of Technology Joint Materials, Nov 2010, Tokyo, Japan
50. “Energy Level bending and dipole at organic heterojunctions and their implications on device performance”, Material Research Society fall meeting, Interfaces in Organic & Molecular Electronics, November 26-30, 2007, (Boston, USA).
51. “Reassessment of some common assumptions on organic heterojunctions & their implications to device performance”, Optical Society of America - Organic Materials and Devices for Displays and Energy Conversion, September 16-19, 2007, (San Jose (USA).
52. “Reassessment of some common assumptions on organic heterojunctions & their implications to device performance”, SPIE Conference on Organic Light Emitting Materials and Devices XI, August 26-30, 2007, (San Diego, USA).
53. “Influences of connecting unit architecture on the performance of tandem organic light-emitting devices”, 10th Asian Symposium on Information Display 2007 (ASID’07), August 2007 (Singapore).
54. “Approaches for enhancing efficiency of organic photovoltaic devices”, International Display Manufacturing Conference & Exhibition 2007 (IDMC’07), July 2007 (Taipei).
55. “Interfaces in organic electronic devices – new insights to traditional concepts”, 12th Hong Kong Physical Society Annual Conference, June 2007 (Hong Kong).
56. “Interfaces of organic semiconductors and their influences on device performance”, Organic Light-Emitting Device Workshop, 2007 January (Hong Kong).
57. “Organic heterojunctions and their roles in organic optoelectronic devices”, The 6th International Meeting on Information Display and The 5th International Display Manufacturing Conference, August 2006, Deagu (Korea).
58. “Organic heterojunctions and their roles in organic optoelectronic devices”, The 6th International Conference on Electroluminescence of Molecular Materials and Related Phenomena (ICEL-6), August 2006 (Hong Kong)
59. .“Novel Properties of Si and II-VI Nanowires and Nanoribbons”, The 4th Cross-Strait Workshop on Nanoscience & Nanotechnology, August 2005, Lijiang (China).
60. “Novel Properties of Si and II-VI Nanowires and Nanoribbons”, Shanghai Jiangtong University, August 2005 (China)
61. .“Properties of interfaces between metals and organic semiconductors”, Fudan University, August 2005 (China).
62. “Carrier injection barrier formation at metal/organic interfaces”, Organic Light-Emitting Materials and Devices IX, Optics & Photonics 2005, July 2005 (USA).
63. “Novel Properties of Si and II-VI Nanowires and Nanoribbons”, The 2nd International Conference on Nanomaterials and Nanotechnologies, June 2005 (Greece).
64. "Carrier Injection Barrier in Metals/Organic Interface”, Xiamen University March 2005 (China).
65. “Carrier Injection Barrier in Metals/Organic Interface”, Chiba University, Feb. 2005 (Japan).
66. “Carrier injection barrier at Alq3/metal interface”, International Discussion Meeting on Tri(8-hydroxyquinoline) Aluminum (III), Sept. 2004 (Japan).
67. “Semiconducting Nanowires and Device Applications”, The 21st Annual Symposium of HKIE, October 2003 (Hong Kong).
68. “OLED Research in CityU”, Display industry roadmap forum, Hong Kong Optoelectronic Association, Sept 2003 (Hong Kong).
69. "Scanning Tunnelling spectroscopy characterisation of small silicon nanowires”, The 12th International Conference on Scanning Tunneling Microscopy, July 2003 (Holland).
70. "Nanowire research in CityU”, Hong Kong Physical Society Annual Conference, June 2003 (Hong Kong).
71. "Applications of surface analysis and engineering for performance enhancement in organic light emitting devices”, Kumamoto University, November 2002 (Japan).
72. "Laser ablation synthesis of inorganic nanowires”, The Asian Symposium on Recent Trend in Applications of Laser Ablation, November 2002 (Japan).
73. “Applications of high-resolution electron energy loss spectroscopy to OLEDs studies”, 3rd International Conference on Electroluminescence of Molecular Materials and Related Phenomena, September 2001 (USA).
74. “Diamond heteroepitaxial nucleation by ion beam impart”, 6th Applied Diamond Conferences/2nd Frontier Carbon Technology Joint Conference (ADC/FCT 2001), August 2001 (USA)
75. “Engineering of the metal/polyfluorene interface”, International Conference on Materials for Advanced Technologies 2001, July 2001 (Singapore).
76. "Diamond nucleation by ion beam”, International Conference on Materials for Advanced Technologies 2001, July 2001 (Singapore).
77. “Semiconductor nanowires”, NanoTechnhology Symposium – NanoTechnhology & Our Future, June 2001 (Hong Kong).
78. "Oxide-assisted synthesis and characterisation of semiconductor nanowires”, National Conference on Nanosciences and Surface Sciences, May 2001 (Beijing).
79. “Semiconductor nanowires and nanocrystalline diamond”, Institute of Nano Science & Technology Inaugural Ceremony and Workshop, May 2001 (Hong Kong).
80. “Indentification of diamond nucleation sites and their implication on heteroepitaxial growth”, 7th International Conf. On New Diamond Science & Tech., July 2000 (Hong Kong).
81. “Synthesis of semiconductor Nanowires”, Micro Engineering & Nanotechnology II, April 2000 (UK).
82. “Performance enhancement of OLED by process and surface engineering”, The 5th Frontier-Science Research Conference: Science and Technology of Organic Light-Emitting Materials, November 1999. (USA)
83. “High performance organic light-emitting devices through optimisation and new design”, The 5th International Conference on Science and Technology of Display Phosphors, November 1999. (USA)
84. "Performance optimisation of organic electroluminescent devices”, The 5th International Union of Materials Research Society International Conference on Advanced Materials, June 1999. (China)
85. "Rolling Texture in FCC Metals”, Materials Department, RISO National Laboratory, Denmark, July 1993. (Denmark)