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华南理工大学Hin-Lap Yip教授做客第453期化苑讲坛

作者:  发布:2019-11-11 11:02:23  点击量:


报告题目:Molecularly Engineered Interfaces in Perovskite Materials and Devices

报 告 人:Hin-Lap Yip教授 (华南理工大学)

报告时间:20191111日下午3:30

报告地点:国光A101会议室

邀 请 人:李忠安教授

报告内容:

Abstract:

Over the past few years, organic-inorganic hybrid perovskites have emerged as a new class of solution processable semiconductor for many optoelectronic applications, such as solar cells and light emitting devices (LEDs). Their electronic, electrical and optical properties can be controlled by tuning their compositions and crystal structures. In this talk, I will discuss how to control the dimension and nanostructure of perovskites by introducing small molecules and polymers with tailored functional groups that can strongly interact with the perovskite crystals. Using such strategy, we have developed very stable Sn-based low bandgap perovskite solar cells with much improved stability and efficiency[1] as well as highly efficient red[2] and blue[3,4] emitting perovskite LEDs. In the second part of my talk, I will discuss how to lean on the experience in interface engineering for organic solar cells and design new electron[5-7] and hole[8-9] transport conjugated materials with proper interfacial properties to improve the charge collection efficiency of perovskite solar cells.


Reference:

(1) Z. Chen, H.-L. Yip, et al, iScience 2018, 9, 337-346.

(2) W. Cai, H.-L. Yip, et al. ACS Appl. Mater. Interfaces 2018, 10, 42564-42572.

(3) Z. Chen, H.-L. Yip, et al Adv. Mater. 2017, 29, 1603157.

(4) Z. Li, H.-L. Yip, et al Nat. Commun. 2019, 10, 1027

(5) S. Chen, H.-L. Yip, M. Wang, F. Huang, et al, Adv. Energy Mater., 2016, 6, 1501534.

(6) L. Yan, Q. Xue, H.-L. Yip, et al, Adv. Mater. 2018, 30, 1802509

(7) J. Tian, Q. Xue, H.-L. Yip, et al, Adv. Mater. 2019, 31, 1901152

(8) Q. Xue, B. Zhang, H.-L. Yip, et al, Adv. Energy Mater., 2016, 6, 1502021.

(9) Q. Xue, Y. Li, H.-L. Yip, et al, Adv. Funct. Mater., 2018, 28, 1707444.

Biography:

Hin-Lap (Angus) Yip is a Professor in the State Key Laboratory of Luminescent Materials and Devices and the Materials Science and Engineering (MSE) Department in South China University of Technology (SCUT). He got his BSc and MPhil degrees in Materials Science from the Chinese University of Hong Kong, and completed his PhD degree in MSE in 2008 under the guidance of  Prof. Alex Jen at the University of Washington, Seattle. He joined SCUT in 2013 as full Professor. His current research focuses on the use of an integrated approach combining materials, interface, and device engineering to improve both polymer and perovskite optoelectronic devices. He had published more than 170 scientific papers with citations over 17000 and a H-index of 74. He was also honored as “Highly Cited Researcher” in Materials Science by Thomson Reuters from 2014-2018.


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