Controllable growth of bulk cubic-phase CH3NH3PbI3 single crystal with exciting room-temperature stability

Mengyu Luan; Junling Song; Xiangfeng Wei; Fang Chen; Jiehua Liu

doi:10.1039/C6CE00375C

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Controllable growth of bulk cubic-phase CH₃NH₃PbI₃ single crystal with exciting room-temperature stability†

Mengyu Luan,^a Junling Song,^b Xiangfeng Wei,*^ac Fang Chen^a and Jiehua Liu*^a

Author affiliations

* Corresponding authors

^a Future Energy Laboratory, School of Materials Science and Engineering, Hefei University of Technology, 193 Tunxi Road, Hefei, Anhui, China
E-mail: liujh@hfut.edu.cn, weixf@hfut.edu.cn

^b School of Chemical & Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China

^c Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, China

Abstract

To obtain bulk cubic CH₃NH₃PbI₃, chlorobenzene was employed to regulate the CH₃NH₃PbI₃ γ-butyrolactone solution with high saturated solubility at room temperature and a high yield of crystal at 60 °C. As a result, bulk cubic CH₃NH₃PbI₃ single crystal was successfully synthesized for the first time in mixed-solvent method at 60 °C, which is a little higher than the tetragonal–cubic phase inversion temperature.

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Article information

DOI: https://doi.org/10.1039/C6CE00375C
Article type: Communication
Submitted: 15 Feb 2016
Accepted: 19 May 2016
First published: 19 May 2016

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CrystEngComm, 2016,18, 5257-5261

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Controllable growth of bulk cubic-phase CH₃NH₃PbI₃ single crystal with exciting room-temperature stability

M. Luan, J. Song, X. Wei, F. Chen and J. Liu, CrystEngComm, 2016, 18, 5257 DOI: 10.1039/C6CE00375C

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