Efficient and reproducible CH3NH3PbI3−x(SCN)x perovskite based planar solar cells

Yani Chen; Bobo Li; Wei Huang; Deqing Gao; Ziqi Liang

doi:10.1039/C5CC03615A

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Efficient and reproducible CH₃NH₃PbI_3−x(SCN)_x perovskite based planar solar cells†

Yani Chen,‡^a Bobo Li,‡^b Wei Huang,^b Deqing Gao*^b and Ziqi Liang*^a

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* Corresponding authors

^a Department of Materials Science, Fudan University, 220 Handan Road, Shanghai 200433, China
E-mail: zqliang@fudan.edu.cn

^b Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergistic Innovation Centre for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, P. R. China
E-mail: iamdqgao@njtech.edu.cn

Abstract

We report the addition of a small amount of Pb(SCN)₂ into PbI₂ in a two-step solution method. The resulting CH₃NH₃PbI_3−x(SCN)_x perovskite films present larger-sized crystals and fewer traps than CH₃NH₃PbI₃. Their planar solar cells exhibit a maximum power conversion efficiency of 11.07% with remarkably high reproducibility and good stability.

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Article information

DOI: https://doi.org/10.1039/C5CC03615A
Article type: Communication
Submitted: 30 Apr 2015
Accepted: 19 Jun 2015
First published: 19 Jun 2015

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Chem. Commun., 2015,51, 11997-11999

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Efficient and reproducible CH₃NH₃PbI_3−x(SCN)_x perovskite based planar solar cells

Y. Chen, B. Li, W. Huang, D. Gao and Z. Liang, Chem. Commun., 2015, 51, 11997 DOI: 10.1039/C5CC03615A

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