Unveiling the roles of halogen ions in the surface passivation of CsPbI<sub>3</sub> perovskite solar cells-Reference-Cited by-同舟云学术

Unveiling the roles of halogen ions in the surface passivation of CsPbI₃ perovskite solar cells

Published:2022 Issue:17 Volume:24 Page:10184-10192
ISSN:1463-9076
Container-title:Physical Chemistry Chemical Physics
language:en
Short-container-title:Phys. Chem. Chem. Phys.

Author:

Han Shichuang¹,Guan Li¹^ORCID,Yin Tao¹,Zhang Jianen¹,Guo Jianxin¹^ORCID,Chen Xiaobo²^ORCID,Li Xu¹^ORCID

Affiliation:

1. Key Laboratory of High-precision Computation and Application of Quantum Field Theory of Hebei Province, College of Physics Science and Technology, Hebei University, Baoding 071002, P. R. China

2. Department of Chemistry, University of Missouri – Kansas City, Kansas, MO 64110, USA

Abstract

The electrons at the CBM emerged to accumulate around the Pb2+ ion neighboring the iodine vacancy. Cl− and Br− ions provided an effective passivation to the trap states and played a substantial role in reducing the non-radiative recombination.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Hebei Province

Publisher

Royal Society of Chemistry (RSC)

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy

Link

http://pubs.rsc.org/en/content/articlepdf/2022/CP/D2CP00109H

Reference55 articles.

1. Inorganic caesium lead iodide perovskite solar cells

2. A surface modifier enhances the performance of the all-inorganic CsPbI2Br perovskite solar cells with efficiencies approaching 15%