Strain relaxation and domain enlargement <i>via</i> phase transition towards efficient CsPbI<sub>2</sub>Br solar cells-Reference-Cited by-同舟云学术

Strain relaxation and domain enlargement via phase transition towards efficient CsPbI₂Br solar cells

Published:2022 Issue:7 Volume:10 Page:3513-3521
ISSN:2050-7488
Container-title:Journal of Materials Chemistry A
language:en
Short-container-title:J. Mater. Chem. A

Author:

Qiu Fa-Zheng¹²,Li Ming-Hua¹,Wang Shuo¹,Jiang Yan³^ORCID,Qi Jun-Jie²^ORCID,Hu Jin-Song¹⁴^ORCID

Affiliation:

1. Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China

2. School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China

3. Energy Materials and Optoelectronics Unit, Songshan Lake Materials Laboratory, Dongguan, Guangdong 523808, China

4. School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China

Abstract

We propose a phase transition growth strategy for the deposition of CsPbI2Br films that allows relaxation of the tensile strain by 62 ± 4% and reduction of defect densities at the film surface and in bulk. PSCs achieve an efficiency of 16.5%.

Funder

Chinese Academy of Sciences

National Natural Science Foundation of China

Natural Science Foundation of Beijing Municipality

Publisher

Royal Society of Chemistry (RSC)

Subject

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

Link

http://pubs.rsc.org/en/content/articlepdf/2022/TA/D1TA09180H

Reference49 articles.

1. Optimization of Stable Quasi-Cubic FAxMA1–xPbI3 Perovskite Structure for Solar Cells with Efficiency beyond 20%