Plasma-Deposited Fluorocarbon Coatings on Methylammonium Lead Iodide Perovskite Films

Vincenza Armenise, Silvia Colella, Antonella Milella, Fabio Palumbo, Francesco Fracassi and Andrea Listorti
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Vincenza Armenise: Department of Chemistry, University of Bari Aldo Moro, Via Orabona 4, 70125 Bari, Italy
Silvia Colella: National Research Council, Institute of Nanotechnology (CNR-NANOTEC), c/o Department of Chemistry, 70125 Bari, Italy
Antonella Milella: Department of Chemistry, University of Bari Aldo Moro, Via Orabona 4, 70125 Bari, Italy
Fabio Palumbo: National Research Council, Institute of Nanotechnology (CNR-NANOTEC), c/o Department of Chemistry, 70125 Bari, Italy
Francesco Fracassi: Department of Chemistry, University of Bari Aldo Moro, Via Orabona 4, 70125 Bari, Italy
Andrea Listorti: Department of Chemistry, University of Bari Aldo Moro, Via Orabona 4, 70125 Bari, Italy

Energies, 2022, vol. 15, issue 13, 1-13

Abstract: Metal halide perovskites are excellent semiconductors materials that can be exploited in many fields, from the vastly explored photovoltaics to the recent applications in photocatalysis. One of the material’s known limitations is the poor resistance to moisture which induces degradation, triggered by the soft and defective nature of its surface. In this study, we explore non-equilibrium plasmas, to deposit a fluorocarbon polymer on the surface of a MAPbI 3 film. We found that the treatment generally enhances the film stability over time, and in certain conditions it improves the perovskite optical properties, demonstrating to be a good strategy aiming defects passivation. Thanks to the solvent-free and non-invasive nature of plasmas, this technique has the potential to be extensively applied to a wide range of perovskite materials targeting different applications.

Keywords: plasma deposition; fluorocarbon coating; metal halide perovskite; methylammonium lead iodide film; perovskite stability (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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