ArticleNature energy2026
Photoswitchable isomers to improve grain boundary resilience and perovskite solar cells stability under light cycling.
Article in Nature energy, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Thermally Independent Interfacial Reconstruction for Phase-Pure n = 1 2D Perovskites With Mixed-Orientation Surface Architecture.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Dynamic Strain Regulation Via Photoresponsive Fullerenes Enables High-Performance and UV-Robust Perovskite Solar Cells.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Homogenizing Sn-Pb Distribution Through A-Site MA Cations for Efficient All-Perovskite Tandem Solar Cells.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Reactive reconstruction and embedded passivation of heterointerfaces for intrinsically stable perovskite photovoltaics.Science advances · 2026Article
Corrections and comments
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Authors and funding
27 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Realizing stable and scalable perovskite solar cells (PSCs) under real-world outdoor conditions remains a challenge for deployment. Here we report a strategy to improve the resilience of the grain boundary, achieving simultaneous improvement in the power conversion efficiency and long-term operational durability under realistic light cycling and ultraviolet exposure of PSCs. By integrating photoswitchable isomers at grain boundaries, we suppress lattice bond rupture and defect accumulation during repeated light cycling through light-triggered dynamic damage release. This approach stabilizes the triple-cation lead-based perovskite lattice against photoinduced distortions and degradation pathways. As a result, the PSCs retain over 95% of their initial performance after 2,000 h of ultraviolet-containing light cycling at 65 °C and 500 thermal cycles between -40 °C and 85 °C, and deliver a power conversion efficiency of 27.2% (certified as 26.9%). Our strategy improves the operational stability and commercial viability of triple-cation perovskite photovoltaics.
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