ArticleScientific reports2026
Investigation of perovskite solar cell temperature-dependent performance: a coupled opto-electro-thermal modeling approach.
Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
In this paper, we developed a opto-electro-thermal model using the 3D finite element method (FEM) in order to assess the temperature-dependent performance of perovskite solar cells (PSCs). The FEM-based model we developed is fully coupled, allowing us to model the optical absorption, charge transport, and heat generation processes all at once, which will provide a more precise evaluation of device performance. Four perovskite absorber materials (MASnI[Formula: see text], MAPbI[Formula: see text], CsPbI[Formula: see text], and CsSnI[Formula: see text]) were evaluated based on three heat generation mechanisms: Joule heating, non-radiative recombination, and thermalization. Based on the proposed model, the extent of temperature rise within the device and its impact on device performance-primarily open-circuit voltage ([Formula: see text]) and power conversion efficiency (PCE) are assessed. The simulation results show that the temperature-dependent performance of the PSC, varies according to the absorption layer material, as each type of absorber showed unique thermal behavior. In particular, CsSnI[Formula: see text] exhibited notable temperature-dependent performance under thermal coupling, with a [Formula: see text] reduction of only 2.38% and a PCE variation of 9.12%, showing a high photovoltaic response but higher temperature sensitivity under temperature variation compared to CsPbI[Formula: see text].
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