您现在的位置: 首 页 > 讲座与会议 > 学术讲座

关于举行香港城市大学Andrey L. Rogach教授学术报告会的通知

时间:2019-12-10 16:12      发布人:何秋云      阅读:106

报告题目:Light-emitting perovskite nanocrystals and their application in optoelectronic devices

报  告 人:Andrey L. Rogach教授(香港城市大学)

邀  请 人:   夏志国 教授

报告时间:2019年12月17日(星期二)上午10:00-11:30

报告地点:北区科技园1号楼发光国家重点实验室 402会议室

报告摘要:Chemically synthesized lead halide perovskite nanocrystals have recently emerged as a new class of efficient light emitting materials. High emission quantum yield, easily tuned emission colors, and high color purity make this class of materials particular attractive for light-emitting devices (LEDs) and display applications. I will review some of our recent synthetic strategies leading to highly luminescent CH3NH3PbX3 and CsPbX3 (X = Cl, Br or I) perovskite nanocrystals of different sizes and shapes, focusing on improving their stability in humid/aqueous environment. Recent demonstration of the direct aqueous synthesis of perovskite nanocrystals opens perspectives for their use in biological labelling. I will further consider the interface engineering of perovskite nanocrystal based hybrid films, which allows us to use them as phosphors in down-conversion LEDs, and in charge injection electroluminescent devices.

个人简介:Andrey L. Rogach is a Chair Professor of Photonics Materials at the Department of Materials Science and Engineering, and the Founding Director of the Centre for Functional Photonics (CFP) at City University of Hong Kong. He received his Diploma in Chemistry (1991, with honors) and Ph.D. in Physical Chemistry (1995) from the Belarusian State University in Minsk studying formation and properties of silver nanoparticles in different media. He worked as a postdoc (with Horst Weller) and then as a staff scientist at the Institute of Physical Chemistry of the University of Hamburg, Germany from 1995 to 2002. From 2002–2009 he held a tenured position of a lead staff scientist at the Department of Physics and Centre for NanoScience of the University of Munich, Germany, where he completed his habilitation in Experimental Physics on light emission and harvesting with semiconductor nanocrystals. He joined City University of Hong Kong as a Full Professor in 2009 and has been advanced to Chair Professor in 2012. His research focuses on synthesis, assembly and optical spectroscopy of colloidal semiconductor and metal nanocrystals and their hybrid structures, and their use for energy-related and optoelectronic applications. He authored over 400 scientific publications with an h-index of 95 {Web of Science} and 110 {Google Scholar} in these fields that have been extensively (over 40,000) cited, which ranked him as Highly Cited Researcher – Cross-Field (Clarivate Analytics, 2018 and 2019), and 51st worldwide among “100 TOP MATERIALS SCIENTISTS OF THE PAST DECADE” by Thomson Reuters (2011). His distinctions include the Croucher Senior Research Fellowship (Hong Kong, 2018), the Carl Friedrich von Siemens Research Award of the Alexander-von-Humboldt Foundation (Germany, 2018), the CityU President’s Award (2017), the Alexander von Humboldt (Germany, 2000) and DAAD (Germany, 1995) Fellowships, the Ikerbasque Fellowship of the Basque Country (Spain, 2012), the Grand Research Excellence Award from City University of Hong Kong (2011), the Walton Award from the Science Foundation Ireland (2005), the NRC COBASE (USA, 1999) and the British Telecom (UK, 1998) Fellowships. He holds honourable appointments as an Adjunct Professor at Trinity College Dublin (Ireland) and University of Electronic Science and Technology of China (Chengdu), a Honorary Professor at Xi’An Jiaotong University, Jilin University, and Peking University (China), and has been a Visiting Professor at Nanyang Technological University of Singapore. Andrey Rogach is a Fellow of the Electromagnetic Academy (USA) and serves as an Associate Editor of ACS Nano since 2011.