Study on the effect of the environment and encapsulation on the ionic response in perovskite films using the photo-electromotive force technique

Rafael Valencia Yescas; Nikolai Korneev; Bartolome Reyes-Ramirez; Ponciano Rodriguez-Montero; Rebeca Lugo; Ismael Cosme; Jose Juan Diaz; Yuriy Kudriavtsev; Svetlana Mansurova

doi:10.1117/12.3028125

30 September 2024 Study on the effect of the environment and encapsulation on the ionic response in perovskite films using the photo-electromotive force technique

Rafael Valencia Yescas, Nikolai Korneev, Bartolome Reyes-Ramirez, Ponciano Rodriguez-Montero, Rebeca Lugo, Ismael Cosme, Jose Juan Diaz, Yuriy Kudriavtsev, Svetlana Mansurova

Author Affiliations +

Proceedings Volume 13123, Organic, Hybrid, and Perovskite Photovoltaics XXV; 131231D (2024) https://doi.org/10.1117/12.3028125
Event: Organic Photonics + Electronics, 2024, San Diego, California, United States

Conference Poster

Abstract

This investigation assesses the effect of different encapsulation materials and environmental conditions on ionic currents in methylammonium lead iodide (MAPI) thin films, which are essential for the stability of perovskite solar cells. Encapsulation types such as PMMA, MgF2, and SiO2 were examined under both air and vacuum conditions, complemented by an epoxy-sealed glass cover for extra protection. Employing the photo-electromotive force technique to analyze ion dynamics, findings indicate that environmental exposure and layer interaction profoundly influence ionic activity. While a single encapsulation layer falls short in protecting against environmental factors, combining SiO2 with an epoxy-sealed glass significantly improves MAPI film stability, albeit the epoxy layer alters ionic responses, underscoring the complexity in optimizing encapsulation for enhanced solar cell performance.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Rafael Valencia Yescas, Nikolai Korneev, Bartolome Reyes-Ramirez, Ponciano Rodriguez-Montero, Rebeca Lugo, Ismael Cosme, Jose Juan Diaz, Yuriy Kudriavtsev, and Svetlana Mansurova "Study on the effect of the environment and encapsulation on the ionic response in perovskite films using the photo-electromotive force technique", Proc. SPIE 13123, Organic, Hybrid, and Perovskite Photovoltaics XXV, 131231D (30 September 2024); https://doi.org/10.1117/12.3028125

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