Building (001) oriented FAPbI3 films for high-performing perovskite solar cells

Yingke Ren; Hongyang Fu; Yingjie Sun; Zhaoqian Li; Xinge Guo; Xingtao An

doi:10.1039/D4CC00212A

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Building (001) oriented FAPbI₃ films for high-performing perovskite solar cells†

Yingke Ren,

^a Hongyang Fu,^a Yingjie Sun,^a Zhaoqian Li,

*^b Xinge Guo*^a and Xingtao An

*^a

Author affiliations

* Corresponding authors

^a Hebei Key Laboratory of Photoelectric Control on Surface and Interface, College of Science, Hebei University of Science and Technology, Shijiazhuang 050018, China

^b Key Laboratory of Photovoltaic and Energy Conservation Materials, CAS, Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, China

Abstract

The solution processed FAPbI₃ perovskite usually suffers from chaotic orientations. Herein, a template structure of oriented 2D perovskite is used to obtain a high-quality FAPbI₃ film with (001) preferred orientation by cation exchange. The highly oriented BA₂PbI₄ serves as a growth template and promotes the (001) orientation of the 3D perovskite. The dominantly (001) orientated FAPbI₃ perovskite exhibits uniform surface morphology and suppressed film defects.

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Article information

DOI: https://doi.org/10.1039/D4CC00212A
Article type: Communication
Submitted: 15 Jan 2024
Accepted: 02 Mar 2024
First published: 04 Mar 2024

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Chem. Commun., 2024,60, 3673-3676

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Building (001) oriented FAPbI₃ films for high-performing perovskite solar cells

Y. Ren, H. Fu, Y. Sun, Z. Li, X. Guo and X. An, Chem. Commun., 2024, 60, 3673 DOI: 10.1039/D4CC00212A

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Chemical Communications