Pre‐Nucleation Chemical Bath Deposition of High‐Performance and Reproducible SnO₂ Electron Transport Layer for Perovskite Solar Cells

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The pre-nucleation strategy significantly enhances reproducibility and performance of SnO2 ETL.
Record efficiency of 21% achieved in carbon-based perovskite solar cells, with 98% efficiency retained after 1600 hours.
This method utilizes a pre-nucleated precursor for the deposition of SnO2 ETL, overcoming previous limitations.
The approach leads to ultrathin uniformity and reduced defect-state density in the electron transport layer.

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Chemical bath deposition enhances snO2 electron transport layer performance in perovskite solar cells, suggesting improved reproducibility.

Lin et al. (2025) studied this question.

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Chemical bath deposition enhances snO2 electron transport layer performance in perovskite solar cells, suggesting improved reproducibility.