寿恒讲堂第238讲(Jian Li 教授,Arizona State University)

发布:2019-09-25 16:45       作者:admin       浏览量:147    来源:

报告题目:Efficient and Stable Cyclometalated Metal Complexes

          for Displays and Lighting Applications

报告时间:20191010 (星期四) 15:30-16:30

报告地点:存中楼楼报告厅

报告人: Jian Li 教授

        Arizona State University(美国亚利桑那州立大学)

报告内容简介:Photovoltaics and solid state lighting are examples of technologies that are enablers for a new sustainable energy economy, since these technologies would allow us to use a renewable energy source, and to use energy sources we already have more efficiently. The successful development of alternate low cost technology for current lighting devices will have a significant impact on theU.   S.economy and national security. White organic light emitting diodes (OLEDs) with potentially high power efficiency are considered as strong candidate for the next generation of illumination devices. Moreover, the use of environmentally benign organic materials in white OLEDs and their potentially low fabrication cost makes them an attractive technological prospect.  In this presentation, we will discuss our continuing efforts on the design, synthesis and characterization of stable and efficient platinum and palladium complexes for displays and lighting applications.  The photo-physics, electrochemistry, electroluminescent properties and operational stability of these novel platinum complexes, including fluorine-free Pt-based deep blue emitters, will be discussed.  The rational molecular design enables us to develop cyclometalated Pt complexes with both photon-to-photon (in thin film) and electron-to-photon (in device settings) conversion efficiency close to 100% for OLED applications as well as record device operational time of over millions of hours.

报告人简介:

李坚博士,美国亚利桑那州立大学教授。1997年毕业于复旦大学化学系,获学士学位;1999-2005年在美国南加州大学获得电子工程硕士和化学博士学位。2006年起在美国亚利桑那州立大学先后任助理教授、副教授、教授。2008年获得美国国家科学基金青年职业生涯发展奖,任美国能源部固体光源研讨会专家组成员。

研究兴趣包括有机半导体材料的设计和合成,研究有机半导体内部的电荷传输、能量转移、辐射或非辐射衰减过程,以及有机半导体材料在全彩显示和固态照明领域的应用。在过去10年中,与同事共同为亚利桑那州立大学从美国国防部、能源部、国家科学基金会和私营企业筹集了超过5000万美元的外部资金,其中包括为自己研究小组筹集超过800万美元。在Adv Mater, Angew Chem, Chem Mater等顶级期刊上发表超过60余篇论文,论文被引7000多次,H指数42。申请美国、欧洲等专利60余项,授权美国专利50多项。多次组织国际材料研究学会(MRS)会议和国际光学学会(OSA)会议;受邀在在材料、器件、显示、能源等相关领域国际会议上作邀请报告50余次。


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