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Perovskite solar cell performance analysis via interface engineering employing MOF-composite

Nath, B and Singh, S and Kumar Behera, S and Ramamurthy, PC and Roy Mahapatra, D and Hegde, G (2023) Perovskite solar cell performance analysis via interface engineering employing MOF-composite. In: Solar Energy, 257 . 249 – 256.

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Official URL: https://doi.org/10.1016/j.solener.2023.04.035


Interface engineering is a domineering factor to boost the charge carrier extraction ability in metal-halide perovskite solar cells (PSCs). Modifying the interface of the perovskite absorber layer and electron transfer layer (ETL) with a novel metal-organic framework (MOF) is a promising approach to enhancing the charge transfer ability of tin oxide ETL. This modification of ETL aided the better growth of perovskite films by lowering the trap states. As a result of this, an improvement in device efficiency was observed by ∼ 12 . The different capacitive behaviour has been explored to understand the charge accumulation and transport properties. The impedance and capacitive responses upon variation of bias voltage as well as frequency are studied. Furthermore, density functional simulation findings were used to understand the dynamic nature UiO-66-NDC/GO composite system in support of the experimental observations. The presence of delocalized surface states in the system has contributed to the enhancement of device performance. A deep mechanistic understanding of interface engineering by UiO-66-NDC/GO has been provided as an approach to improve device performance.

Item Type: Journal Article
Publication: Solar Energy
Publisher: Elsevier Ltd
Additional Information: The copyright of this article belongs to Elsevier Ltd.
Keywords: Device performance; Interface engineering; Interfacial dipoles; MOF-composite; Perovskites
Department/Centre: Division of Interdisciplinary Sciences > Centre for Biosystems Science and Engineering
Division of Interdisciplinary Sciences > Interdisciplinary Centre for Energy Research
Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 14 Jun 2023 10:56
Last Modified: 14 Jun 2023 10:56
URI: https://eprints.iisc.ac.in/id/eprint/81885

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