Improving the stability of the carbon-based perovskite solar cells by a TiO2 templated film with self-cleaning property

Document Type : Research Article

Authors

Department of Chemistry, University of Isfahan, Isfahan, Iran

10.22091/jaem.2025.12428.1021

Abstract

Perovskite solar cells (PSCs) have garnered significant attention due to their high efficiency and low-cost fabrication. However, their stability under environmental conditions, particularly UV exposure, remains a critical challenge. In this study, we address this issue by introducing a mesoporous TiO2 templated film coated on the glass side of the FTO substrate, serving as both a UV absorber and a self-cleaning layer. The TiO2 film was synthesized via a dip-coating method using a p123 copolymer as a template agent, resulting in a highly transparent and mesoporous structure. The self-cleaning properties of the film were evaluated through the degradation of Congo red dye under optimized conditions, including pH, dye concentration, and film thickness. The TiO2 film demonstrated excellent photocatalytic activity and effectively degraded organic pollutants under UV irradiation, which highlights its potential for real-world applications. Furthermore, incorporating this film on the glass side of the carbon-based perovskite solar cells significantly improved their stability. This work presents a promising approach to enhancing the durability and performance of PSCs by integrating multifunctional TiO2 films, paving the way for more robust and sustainable solar energy technologies.

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Advances in Energy and Materials Research

Articles in Press, Accepted Manuscript
Available Online from 28 September 2024

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