Laser-assisted crystallization of CH3NH3PbI3 films for efficient perovskite solar cells with a high open-circuit voltage

Faming Li; Weidong Zhu; Chunxiong Bao; Tao Yu; Yangrunqian Wang; Xiaoxin Zhou; Zhigang Zou

doi:10.1039/C6CC00753H

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Laser-assisted crystallization of CH₃NH₃PbI₃ films for efficient perovskite solar cells with a high open-circuit voltage†

Faming Li,^a Weidong Zhu,^a Chunxiong Bao,^a Tao Yu,*^abc Yangrunqian Wang,^a Xiaoxin Zhou^a and Zhigang Zou^abc

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* Corresponding authors

^a National Laboratory of Solid State Microstructures & Eco-Materials and Renewable Energy Research Center (ERERC) at Department of Physics, Nanjing University, Nanjing 210093, P. R. China
E-mail: yutao@nju.edu.cn

^b Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, P. R. China

^c Jiangsu Key Laboratory for Nano Technology, Nanjing 210093, P. R. China

Abstract

Laser irradiation as a rapid crystallization approach was successfully introduced to prepare homogeneous, dense-grained CH₃NH₃PbI₃ films. Planar-heterojunction solar cells employing these high-quality films showed the optimal efficiency of 17.8% with a remarkably high open-circuit voltage of 1.146 V.

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Article information

DOI: https://doi.org/10.1039/C6CC00753H
Article type: Communication
Submitted: 26 Jan 2016
Accepted: 17 Mar 2016
First published: 17 Mar 2016

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Chem. Commun., 2016,52, 5394-5397

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Laser-assisted crystallization of CH₃NH₃PbI₃ films for efficient perovskite solar cells with a high open-circuit voltage

F. Li, W. Zhu, C. Bao, T. Yu, Y. Wang, X. Zhou and Z. Zou, Chem. Commun., 2016, 52, 5394 DOI: 10.1039/C6CC00753H

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Chemical Communications