A highly efficient mesoscopic solar cell based on CH3NH3PbI3−xClx fabricated via sequential solution deposition

Yingzhuang Ma; Lingling Zheng; Yao-Hsien Chung; Saisai Chu; Lixin Xiao; Zhijian Chen; Shufeng Wang; Bo Qu; Qihuang Gong; Zhaoxin Wu; Xun Hou

doi:10.1039/C4CC01962H

A highly efficient mesoscopic solar cell based on CH₃NH₃PbI_3−xCl_x fabricated via sequential solution deposition†

Yingzhuang Ma,^a Lingling Zheng,^a Yao-Hsien Chung,^a Saisai Chu,^a Lixin Xiao,*^ab Zhijian Chen,^ab Shufeng Wang,^ab Bo Qu,^ab Qihuang Gong,^a Zhaoxin Wu*^c and Xun Hou^c

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* Corresponding authors

^a State Key Laboratory for Mesoscopic Physics and Department of Physics, Peking University, Beijing 100871, PR China
E-mail: xiao66@pku.edu.cn

^b New Display Device and System Integration Collaborative Innovation Center of the West Coast of the Taiwan Strait, Fuzhou 350002, China

^c Key Laboratory of Photonics Technology for Information, Key Laboratory for Physical Electronics and Devices of the Ministry of Education, Department of Electronic Science and technology, School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an, PR China
E-mail: zhaoxinwu@mail.xjtu.edu.cn

Abstract

A mixed halide perovskite of CH₃NH₃PbI_3−xCl_x is synthesized via two-step sequential solution deposition by using a mixture of PbCl₂ and PbI₂ as the precursor to overcome the low solubility of pure PbCl₂ with easy morphology control. 11.7% power conversion efficiency is achieved for the mesoscopic cell, much higher than the cell constructed via a spin-coating process.

Chemical Communications

A highly efficient mesoscopic solar cell based on CH₃NH₃PbI_3−xCl_x fabricated via sequential solution deposition†

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A highly efficient mesoscopic solar cell based on CH₃NH₃PbI_3−xCl_x fabricated via sequential solution deposition

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