Issue 32, 2021

Swelling-processed high luminescent organic perovskite with superior stability

Abstract

Instability of lead halide perovskites due to water, oxygen, heat and high pH value is a critical bottleneck that hinders their practical applications. Herein, a fluorine (polyvinyl fluoride/polyvinylidene fluoride, PVF/PVDF)-coated PET substrate was explored to grow a CH3NH3PbX3 nano-crystalline film via a two-step swelling method. In this way, the nanocrystals are uniformly embedded in the interstices of the PVF/PVDF matrix to form a uniform perovskite film. Based on the three-dimensional network interpenetrating structure of the PVF/PVDF film, the as-synthesized CH3NH3PbX3 nanocrystal matrix is stable in high moisture, oxygen plasma treatment, and extreme acid-alkali environment, while sensitive to heat.

Graphical abstract: Swelling-processed high luminescent organic perovskite with superior stability

Supplementary files

Article information

Article type
Communication
Submitted
09 Jun 2021
Accepted
29 Jul 2021
First published
29 Jul 2021

J. Mater. Chem. C, 2021,9, 10222-10225

Swelling-processed high luminescent organic perovskite with superior stability

T. Wang, R. Song, Y. Lv, D. Gu, Y. Yang, W. Liu and F. Chen, J. Mater. Chem. C, 2021, 9, 10222 DOI: 10.1039/D1TC02650J

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