ArticleNature communications2024
Intragrain impurity annihilation for highly efficient and stable perovskite solar cells.
Article in Nature communications, 2024. 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.
- Design Rules for Quantitative Control of Intragrain Planar Defects in Halide Perovskites.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Low-temperature liquid-assisted vibrational stress-relief strategy enables stable and efficient perovskite solar cells.Nature communications · 2026Article
- Machine Learning Potentials for Inorganic and Hybrid Lead Halide Perovskites: From Phase Stability to Defects and Interfaces.ACS applied materials & interfaces · 2026Review
- Polarize the Solvent to Regulate the Intermediate Phase and Dynamic Crystallization of Perovskite Films.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Performance-limiting metastable intragrain impurity nanoclusters in metal halide perovskites.Nature communications · 2025Article
- Iceberg-like pyramids in industrially textured silicon enabled 33% efficient perovskite-silicon tandem solar cells.Nature communications · 2025Article
Corrections and comments
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Authors and funding
10 authors.
Funding
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Abstract
Intragrain impurities can impart detrimental effects on the efficiency and stability of perovskite solar cells, but they are indiscernible to conventional characterizations and thus remain unexplored. Using in situ scanning transmission electron microscopy, we reveal that intragrain impurity nano-clusters inherited from either the solution synthesis or post-synthesis storage can revert to perovskites upon irradiation stimuli, leading to the counterintuitive amendment of crystalline grains. In conjunction with computational modelling, we atomically resolve crystallographic transformation modes for the annihilation of intragrain impurity nano-clusters and probe their impacts on optoelectronic properties. Such critical fundamental findings are translated for the device advancement. Adopting a scanning laser stimulus proven to heal intragrain impurity nano-clusters, we simultaneously boost the efficiency and stability of formamidinium-cesium perovskite solar cells, by virtual of improved optoelectronic properties and relaxed intra-crystal strain, respectively. This device engineering, inspired and guided by atomic-scale in situ microscopic imaging, presents a new prototype for solar cell advancement.
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Registered trials
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