September 5, 2025ACS Nano

Tailored Crystallization and Defect Control via Acetamide Derivatives for Efficient Tin Perovskite Solar Cells

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Observational analysis boosts photovoltaic performance in tin perovskite films, highlighting crystallization and defect density.

The introduction of 2A2CA significantly reduces defect density, enhancing the overall performance of tin perovskite solar cells.
With a champion efficiency of 14.98%, the modified films retain 90% efficiency after 2200 hours in nitrogen storage.
The research utilizes acetamide derivatives to regulate crystallization and promote high-quality film formation in tin perovskites.
The findings indicate that controlling crystallization can improve the defect management in solar cell materials, enabling better efficiency.

Chen et al. (2025) studied this question.

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