ArticleNature communications2026
Insights into the operational stability of wide-bandgap perovskite and tandem solar cells under rapid thermal cycling.
Article in Nature communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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Who cites it
3 citing papers in PubMed.
- Balancing Crystallization Kinetics and Lattice Strain Enables Thermally Stable Slot-Die-Coated Narrow-Bandgap Perovskite Solar Cells.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Intermediate-Site Anchoring Ligands Enable Robust Nonlayered Interfacial Passivation for Efficient and Stable Air-Processed Perovskite Solar Cells.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Why more junctions do not yet deliver: interconnection challenges in perovskite multijunction solar cells.Energy & environmental science · 2026Review
Corrections and comments
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Authors and funding
15 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Temperature variations can induce phase transformations and strain in perovskite solar cells (PSCs), undermining their structural stability and device performance. Despite growing interest, the operational stability of triple-cation wide-bandgap (WBG) PSCs and tandem solar cells (TSCs) under rapid solar-thermal cycling remains poorly understood. Here, we investigate the operational stability of WBG PSCs (~1.68 eV) with a champion power conversion efficiency (PCE) of 24.31% and extend the study to TSCs. We find that degradation during device operation under rapid solar-thermal cycling (temperature change rate of 10 °C/min) is independent of passivation and occurs in two distinct regimes: an initial burn-in phase, which accounts for a rapid 60% relative loss in performance, followed by a steady degradation characterized by temperature-dependent fluctuations in photovoltaic parameters. By operando grazing-incidence wide-angle X-ray scattering and photoluminescence measurements, we reveal that temperature-induced strain, phase transition, and the increased non-radiative recombination collectively contribute to the degradation of PSCs. This work advances the understanding of the degradation mechanisms of WBG PSCs and TSCs, providing insights toward improving their operational thermal stability for real-world applications.
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Registered trials
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