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Eco‐Friendly Spray Deposition of Perovskite Films on Macroscale Textured Surfaces

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Eco‐Friendly Spray Deposition of Perovskite Films on Macroscale Textured Surfaces

by Simone Sansoni, Michaele De Bastiani, Erkan Aydin, Esma Ugur, Furkan Halis Isikgor, Areej Alzahrani, Francesco Lamberti, Frédéric Laquai, Moreno Meneghetti, Stefaan De Wolf
Communication Year: 2020 DOI: https://doi.org/10.1002/admt.201901009

Bibliography

Eco‐Friendly Spray Deposition of Perovskite Films on Macroscale Textured Surfaces
S. Sansoni, M. De Bastiani, E. Aydin, E. Ugur, F. H. Isikgor, A. Al‐Zahrani, F. Lamberti, F. Laquai, M. Meneghetti, S. De Wolf
Advanced Materials Technology

Extra Information

This study demonstrates the potential usage of the spray deposited perovskite nanocrystal inks for perovskite/silicon tandem solar cells.

Abstract

An innovative sequential eco‐friendly spray coating (SEF‐SC) technique is developed to uniformly deposit metal halide perovskite films on macroscale textured surfaces, such as textured crystalline‐silicon wafers. Contrasting with previous work on spray‐coated perovskite solar cells, the method presented in this work completely avoids the use of toxic and dangerous solvents. Both MAPbI3 and CsFAMAPbI3−xBrx perovskite films deposited by SEF‐SC show excellent optoelectronic properties and no phase segregation, even when synthesized in ambient conditions. Uniform perovskite coatings are obtained on textured‐silicon heterojunction solar cells underlining the promise of this method, which holds the potential for scalable wet processing of perovskites on rough substrates, such as for low‐cost perovskite/silicon tandem solar cell fabrication.

Keywords

eco‐friendly spray deposition spray deposition hybrid perovskites textured interfaces
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