Over 25% efficiency and stable bromine-free RbCsFAMA-based quadruple cation perovskite solar cells enabled by an aromatic zwitterion

Author:

Wang Qi1,Tang Weijian1,Chen Yuting1,Qiu Wuke1,Wu Yihui12ORCID,Peng Qiang12ORCID

Affiliation:

1. School of Chemical Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China

2. Engineering Research Center of Alternative Energy Materials & Devices, Ministry of Education, Sichuan University, Chengdu 610065, China

Abstract

Desirable crystal growth and defect modulation of Br-free RbCsFAMA perovskite films have been achieved by introducing an aromatic zwitterion, giving the record efficiencies of 25.01% and 23.40% for devices with areas of 0.09 cm2 and 1 cm2.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Sichuan Province

Fundamental Research Funds for the Central Universities

Sichuan University

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,General Chemistry

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