Article Analysis of degradation kinetics of halide perovskite solar cells induced by light and heat stress

Dhruba B. Khadka SAMURAI ORCID (National Institute for Materials ScienceROR) ; Yasuhiro Shirai SAMURAI ORCID (National Institute for Materials ScienceROR) ; Masatoshi Yanagida SAMURAI ORCID (National Institute for Materials ScienceROR) ; Koichiro Uto SAMURAI ORCID (National Institute for Materials ScienceROR) ; Kenjiro Miyano SAMURAI ORCID (National Institute for Materials ScienceROR)

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Dhruba B. Khadka, Yasuhiro Shirai, Masatoshi Yanagida, Koichiro Uto, Kenjiro Miyano. Analysis of degradation kinetics of halide perovskite solar cells induced by light and heat stress. Solar Energy Materials and Solar Cells. 2022, 246 (), 111899. https://doi.org/10.1016/j.solmat.2022.111899
SAMURAI

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(abstract)

The operational stability of encapsulated perovskite solar cells (PSCs) is imperative for commercialization. Here, we have investigated the degradation of PSCs with organic (PTAA) and inorganic (NiOx) HTLs under constant illumination and thermal stress. The device parameters under 1-sun illumination were monitored over time at different temperatures; 20–85 °C. The temperature-dependent device parameters analysis showed a lower value of degradation activation energy (EA) for the device with the PTAA (∼0.274 0.05 eV) than that for the NiOx device (∼0.495 0.05 eV). This result corroborates that higher activation energy for NiOx/HaP devices leads to superior device stability. The device degradation kinetic has been discussed by adopting the Arrhenius model with temperature and humidity prefactor correction associated with structural defects in the bulk and interfacial deterioration. Our analysis underscores the importance of the layer material's stability against humidity and thermal stress for the device stability correlating degradation activation energy and stress prefactor.

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Keyword: Perovskite solar cell, Device stability, Degradation dynamics, Arrhenius model, Activation energy, Humidity/thermal stress

Date published: 2022-08-01

Publisher: Elsevier BV

Journal:

  • Solar Energy Materials and Solar Cells (ISSN: 09270248) vol. 246 111899

Funding:

  • Yazaki Memorial Foundation for Science and Technology

Manuscript type: Author's version (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.5107

First published URL: https://doi.org/10.1016/j.solmat.2022.111899

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Updated at: 2024-12-06 17:18:26 +0900

Published on MDR: 2024-12-06 17:18:26 +0900

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