Local halide heterogeneity drives surface wrinkling in mixed-halide wide-bandgap perovskites

Local halide heterogeneity drives surface wrinkling in mixed-halide wide-bandgap perovskites

Abstract Compositional heterogeneity in wide-bandgap (1.8 − 2.1 eV) mixed-halide perovskites is a key bottleneck in the processing of high-quality solution-processed thin films and prevents their application in efficient multijunction solar cells. Notably, mixed-cation (formamidinium-methylammonium)...

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Main Authors: Kunal Datta, Simone C. W. van Laar, Margherita Taddei, Juanita Hidalgo, Tim Kodalle, Guus J. W. Aalbers, Barry Lai, Ruipeng Li, Nobumichi Tamura, Jordi T. W. Frencken, Simon V. Quiroz Monnens, Robert J. E. Westbrook, Daniel J. Graham, Carolin M. Sutter-Fella, Juan-Pablo Correa-Baena, David S. Ginger, Martijn M. Wienk, René A. J. Janssen
Format: Article
Language:English
Published: Nature Portfolio 2025-02-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-025-57010-6
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