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Updated: Dec 20, 2025

Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells
Published on: March 19, 2017
A dual function-enabled novel zwitterion to stabilize a Pb-I framework and passivate defects for highly efficient
Deng Wang1, Lei Huang, Qiyin Chen
1Department of Materials Science & Engineering and SUSTech Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology, Shenzhen, Guangdong Province 518055, China. xz_wang@hotmail.com xubm@sustech.edu.cn.
Abstract:
A novel zwitterion named bethanechol chloride (BTCC) was introduced to simultaneously stabilize a Pb-I framework and passivate defects for efficient inverted perovskite solar cells. The BTCC-assisted device yielded an elevated power conversion efficiency of 20.45% with an open-circuit voltage of 1.14 V.
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