Molecule occupancy by a n-butylamine treatment to facilitate the conversion of PbI2 to perovskite in sequential deposition

Zheng Li; Ke Chen; Zhenping Cheng; Dongxu Lin; Jiming Wang; Tingting Shi; Weiguang Xie; Pengyi Liu

doi:10.1039/C9CP05791A

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Molecule occupancy by a n-butylamine treatment to facilitate the conversion of PbI₂ to perovskite in sequential deposition†

Zheng Li,‡^a Ke Chen,‡^a Zhenping Cheng,^a Dongxu Lin,^a Jiming Wang,^a Tingting Shi,

^a Weiguang Xie

*^ab and Pengyi Liu*^ab

Author affiliations

* Corresponding authors

^a Siyuan Laboratory, Guangzhou Key Laboratory of Vacuum Coating Technologies and New Energy Materials, Guangdong Provincial Engineering Technology Research Center of Vacuum Coating Technologies and New Energy Materials, Department of Physics, Jinan University, Guangzhou, Guangdong 510632, China
E-mail: wgxie@email.jnu.edu.cn, tlpy@email.jnu.edu.cn

^b Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Jinan University, Guangzhou, Guangdong 510632, China

Abstract

Herein, we propose a new approach of molecule occupancy via a vapor treatment to facilitate the conversion of PbI₂ to perovskite in sequential deposition. We have shown that the morphology of PbI₂ and the subsequent crystallization of perovskite can be effectively tuned, thus leading to the elimination of residual PbI₂ and promotion of perovskite growth.

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Article information

DOI: https://doi.org/10.1039/C9CP05791A
Article type: Communication
Submitted: 07 Nov 2019
Accepted: 20 Dec 2019
First published: 21 Dec 2019

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Phys. Chem. Chem. Phys., 2020,22, 981-984

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Molecule occupancy by a n-butylamine treatment to facilitate the conversion of PbI₂ to perovskite in sequential deposition

Z. Li, K. Chen, Z. Cheng, D. Lin, J. Wang, T. Shi, W. Xie and P. Liu, Phys. Chem. Chem. Phys., 2020, 22, 981 DOI: 10.1039/C9CP05791A

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