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Hermetic Sealed Perovskite Solar Cells: Water Stable Encapsulation

Adiga, V and Adiga, B and Adiga, PC and Roy Mahapatra, D and Hegde, G (2021) Hermetic Sealed Perovskite Solar Cells: Water Stable Encapsulation. In: 48th IEEE Photovoltaic Specialists Conference, PVSC 2021, 20-25 Jun 2021, Bengaluru; India, pp. 904-907.

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Official URL: https://doi.org/10.1109/PVSC43889.2021.9518649


Metal halide perovskite solar cells (PSCs) have exhibited colossal potential for future photovoltaic applications due to their favorable properties. Instability towards moisture has been their primary concern, which reduces their lifetime during prolonged periods. Herein, we demonstrate an ambient hermetic encapsulation process to eradicate the moisture penetration into the PSCs based on the profound understanding of the degradation. The encapsulation of the PSCs was performed on a glass slide with a hermetic seal using ultraviolet (UV) curable glue. The devices were kept outside with ISOS D1 protocol showed excellent behavior with degradation 10 when compared to unencapsulated devices, which were prone to more than 60 degradation. Besides, the solar cells were immersed in water to observe the penetration of water molecules. The PSCs encapsulated showed no change for 48 hours, whereas the unencapsulated devices changed their color within 2 minutes, showing a pathway for an efficient encapsulation process for scalable and robust perovskite solar cells. © 2021 IEEE.

Item Type: Conference Paper
Publication: Conference Record of the IEEE Photovoltaic Specialists Conference
Publisher: Institute of Electrical and Electronics Engineers Inc.
Additional Information: The copyright for this article belongs to Institute of Electrical and Electronics Engineers Inc.
Keywords: Metal halides; Moisture; Molecules; organic-inorganic materials; Perovskite; Solar power generation, Cell-be; Cell/B.E; Cell/BE; Encapsulation process; Halide perovskites; Hermetically sealed; Hermetically sealed encapsulation; Organic-inorganic hybrid perovskite solar cell; Organic/Inorganic hybrids; Stable encapsulation, Perovskite solar cells
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)
Date Deposited: 29 Nov 2021 09:14
Last Modified: 29 Nov 2021 09:14
URI: http://eprints.iisc.ac.in/id/eprint/70294

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