Elimination of unstable residual lead iodide near the buried interface for the stability improvement of perovskite solar cells

Author:

Gao You12,Ren Fumeng1,Sun Derun1,Li Sibo3,Zheng Guanhaojie45,Wang Jianan1,Raza Hasan1,Chen Rui1,Wang Haixin1,Liu Sanwan1,Yu Peng1,Meng Xin1,He Jizhou1,Zhou Jing1,Hu Xiaodong1,Zhang Zhengping2,Qiu Longbin3ORCID,Chen Wei16,Liu Zonghao16ORCID

Affiliation:

1. Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology (HUST), Wuhan 430074, China

2. Key Laboratory of Micro-Nano-Electronics and Software Technology of Guizhou Province, College of Big Data and Information Engineering, Guizhou University, Guiyang, 550025, China

3. SUSTech Energy Institute for Carbon Neutrality, Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen 518055, China

4. Shanghai Synchrotron Radiation Facility (SSRF), Zhangjiang Lab, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, China

5. University of Chinese Academy of Sciences, 100049 Beijing, China

6. Optics Valley Laboratory, Hubei 430074, China

Abstract

A pre-embedding mixed A-cation halide strategy is developed to eliminate the residual unstable PbI2 and lattice strain near the buried interface of the perovskite layer for the stability improvement of formamidinium-based perovskite solar cells.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Hubei Province

Ministry of Science and Technology of the People's Republic of China

Publisher

Royal Society of Chemistry (RSC)

Subject

Pollution,Nuclear Energy and Engineering,Renewable Energy, Sustainability and the Environment,Environmental Chemistry

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