ArticleNature communications2025
Lattice stabilization and strain homogenization in Sn-Pb bottom subcells enable stable all-perovskite tandems solar cells.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Enhancing Sn-Pb perovskite homogeneity via thioether coordination for efficient and stable all-perovskite tandem solar cells.Science advances · 2026Article
- Suppressing Phase Segregation and Improving Stability in Mixed-Halide Perovskites through Spinel Oxide-Directed Epitaxy.Journal of the American Chemical Society · 2026Article
- Molecularly Engineered Self-Healing Scaffold With Customized Dynamic Bonds Enable Stable and Scalable Flexible Perovskite Solar Cells and Modules.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Asymmetric Oxygen Bridges: A Unified Design Framework for Enhanced Catalysis.Advanced materials (Deerfield Beach, Fla.) · 2026Review
- Taming Lattice Strain via Buried Interface Engineering for Reverse-Bias Resilient Perovskite Solar Cells.Nano-micro letters · 2026Article
- Quasi-epitaxial heterojunction interface reconstruction enables 11.96% certified efficiency in Cd-free CuScience advances · 2026Article
Corrections and comments
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Authors and funding
15 authors.
Funding
Abstract
All-perovskite tandem solar cells (PTSCs) offer a promising approach to surpass the Shockley-Queisser (SQ) limit, driven by efficiently reducing thermalization and transmission losses. However, the efficiency and stability of the narrow-bandgap (NBG) subcells, which are essential for PTSC performance, remain severely constrained by challenges such as lattice instability, strain accumulation and halide migration under illumination. This study introduces a rigid sulfonate-based molecule, sodium naphthalene-1,3,6-trisulfonate (NTS), into tin-lead (Sn-Pb) perovskites, where it strengthens the Sn-I bond through Sn-trisulfonate coordination and reduces light-induced dynamic lattice distortions via the rigid NTS backbone. These molecular interactions alleviate strain heterogeneity within the lattice and homogenize the Sn-Pb compositional gradient, thereby enhancing the structural integrity and long-term stability of Sn-Pb perovskites under operational conditions. As a result, Sn-Pb single-junction perovskite solar cells (PSCs) achieve a power conversion efficiency (PCE) of 23.2%. When integrated into a tandem configuration, the device attains an impressive PCE of 29.6% (certified PCE of 29.2%, one of the highest certified efficiencies to date), with 93.1% of the initial efficiency retained after 700 h of continuous operation. By stabilizing the lattice structure, this work lays a solid foundation for achieving both high efficiency and long-term durability in next-generation perovskite photovoltaics.
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Registered trials
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