Reciprocity Relationship of Perovskite Solar Cell and Light-Emitting Diode
Keyou Yan a
a School of Environment and Energy, South China University of Technology
Proceedings of International Online Conference on Hybrid Materials and Optoelectronic Devices (HYBRIDOE21)
Online, Spain, 2021 December 15th - 17th
Organizers: Jinwei Gao, Hua Yu, Dewei Zhao, Haizheng Zhong, Hairen Tan and Xueqing Xu
Invited Speaker, Keyou Yan, presentation 020
Publication date: 3rd December 2021

Photovoltaics and electroluminescence has fundamental reciprocity relationship in the PIN diode but it is difficult to be demonstrated in traditional photovoltaics. In the work, we present our recent study on perovskite solar cell  (PSC) and light emitting diode (LED) and illustrate the reciprocity relation in the device. The interface engineering and  passivation approaches are performed to optimize the performance thus it is demonstrated that a great solar cell needs to be a great LED, leading to the perovskite bifunctional device (PBD). We also fabricate PBD from LED with high comprehensive performance. The PBD can ultilize the intermittent solar energy more efficiently and can be employed for building integrated photovoltaics in the future.

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