Fine-tuning chemical passivation over photovoltaic perovskites by varying the symmetry of bidentate acceptor in D

Fine-tuning chemical passivation over photovoltaic perovskites by varying the symmetry of bidentate acceptor in D–A molecules

Published:2023 Issue:15 Volume:11 Page:8299-8307
ISSN:2050-7488
Container-title:Journal of Materials Chemistry A
language:en
Short-container-title:J. Mater. Chem. A

Author:

Guo Minghuang¹,Xu Jianbin²³,Li Jinting¹,Huang Jianting¹,Zhu Jingwei¹,Li Yafeng¹,Gao Peng²³^ORCID,Li Junming¹,Wei Mingdeng¹^ORCID

Affiliation:

1. Fujian Key Laboratory of Electrochemical Energy Storage Materials, Fuzhou University, Xueyuan Road No. 2, Minhou, Fuzhou, Fujian 350116, China

2. Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, China

3. Laboratory of Advance Functional Materials, Xiamen Institute of Rare Earth Materials, Haixi Institute, Chinese Academy of Science, Xiamen 361005, China

Abstract

The synergistic passivating effect resulting from the charge-symmetric bidentate CN groups achieved excellent coordination of TA-MN passivator with Pb2+defects in perovskite, thus resulting in improved PCE with reducedVOCloss.

Funder

National Natural Science Foundation of China

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/2023/TA/D3TA00323J

Reference66 articles.

1. High-Efficiency Perovskite Solar Cells

2. High Charge Carrier Mobilities and Lifetimes in Organolead Trihalide Perovskites

3. Electron-Hole Diffusion Lengths Exceeding 1 Micrometer in an Organometal Trihalide Perovskite Absorber