A facile solution-based aluminum oxide interface layer for enhancing the efficiency and stability of perovskite solar cells

Author:

Jiao Xinning12,Ma Guoqing3,Gu Wei-Min4,Jiang Ke-Jian1ORCID,Xue Tangyue5,Yu Guanghui1,Wu Limei1,Zhang Qing-Wu2,Gao Cai-Yan1ORCID,Fan Xin-Heng1ORCID,Yang Lian-Ming1,Song Yanlin1ORCID

Affiliation:

1. Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China

2. School of Chemical & Environmental Engineering, China University of Mining & Technology, Beijing 100083, P. R. China

3. Department of Chemical Engineering, The University of Melbourne, Australia

4. College of Energy and Environmental Engineering, Hebei Key Laboratory of Air Pollution Cause and Impact, Hebei University of Engineering, Handan 056038, P. R. China

5. Henan Institutes of Advanced Technology, Zhengzhou University, Zhengzhou 450001, P. R. China

Abstract

An ultrathin Al2O3 layer is modified on a perovskite surface via in situ hydrolysis and condensation of aluminum triisopropoxide. The Al2O3 layer can prevent moisture ingress, reduce the defect concentration, and suppress iodine migration in the devices.

Funder

Beijing National Laboratory for Molecular Sciences

National Natural Science Foundation of China

Natural Science Foundation of Beijing Municipality

ational Key Research and Development Program of China

Publisher

Royal Society of Chemistry (RSC)

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