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Updated: Apr 26, 2026

Developing High Performance GaP/Si Heterojunction Solar Cells
Published on: November 16, 2018
Efficient planar heterojunction perovskite solar cells employing graphene oxide as hole conductor
Zhongwei Wu1, Sai Bai, Jian Xiang
1Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM) and Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, 199 Ren'ai Road, Suzhou, 215123, People's Republic of China. bqsun@suda.edu.cn.
Abstract:
Graphene oxide (GO) is employed as a hole conductor in inverted planar heterojunction perovskite solar cells, and the devices with CH₃NH₃PbI₃-xClx as absorber achieve an efficiency of over 12%. The perovskite film grown on GO exhibits enhanced crystallization, high surface coverage ratio as well as preferred in-plane orientation of the (110) plane. Efficient hole extraction from the perovskite to GO is demonstrated.
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