Quasi-2D perovskites for high performance optoelectronic devices
Mingjian Yuan a
a Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Center (RECAST), College of Chemistry, Nankai University, 300071, Tianjin, P. R. China.
nanoGe Perovskite Conferences
Proceedings of International online conference on Hybrid materials and optoelectronic devices (HYBRIDOE)
Online, Spain, 2020 December 15th - 17th
Organizers: Xueqing Xu, Baomin Xu, Hin-Lap (Angus) Yip and Xinhua Zhong
Invited Speaker, Mingjian Yuan, presentation 036
DOI: https://doi.org/10.29363/nanoge.hybridoe.2020.036
Publication date: 4th December 2020

Quasi-2D perovskites represent an important catagory of perovskite materials, have attracted great attentions recently due to their outstanding optoelectrical properties. Quasi-2D perovskites feature with multi quantum-well structures, thus it is a strongly confined system comprising both quantum- and dielectric-confinement, which result in the formation of strongly bound excitons. Accordingly, efficient cascade energy transfer exist in their films state, that greatly affect the carrier recombination kinetics. In this talk, we will report our recent progresses in quasi-2D perovskite light-emitting diodes and photovoltaics. By carefully regulating the materials' crystallization and recombination kinetics, highly efficient quasi-2D perovskite optoelectronic devices have been achieved.

 

Reference:

[1]       T. He, S. Li, M. Yuan*, et al. Nat. Commun., 2020, 11,1672.

[2]       L.Wang, Y. Xue, M. Cui, M. Yuan*, et al. Angew. Chem. Int. Ed., 2020, 132, 6504.

[3]       T. He, Y. Jiang, M. Yuan*, et al. Adv. Mater., 2020, 1903937.

[4]       Y. Huang, R. Long*, F. Yang*, M. Yuan*, et al. Angew. Chem. Int. Ed., 2019, 58, 17834.

[5]       Y. Jiang, C. Qin, M. Yuan*, et al. Nat. Commun., 2019, 10, 1868.

 

 

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