CsAc-Mediated Dynamic Reconstruction of Chloride Perovskite Films for High-Performance Self-Powered Near-UV Photodetectors

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Solution-mediated process enhances crystallization kinetics and reduces defects in chloride perovskite films, indicating improved device performance.

Exceptional performance is demonstrated in self-powered photodetectors with high responsivity and detectivity.
The synthesis of high-quality Cs0.35MA0.65PbCl3 films significantly outperforms previous solutions, yielding a detectivity of 3.49 × 1012 Jones.
CsAc-mediated dissolution recrystallization effectively regulates crystallization kinetics to minimize defects.
This approach may enable advancements in various optoelectronic devices, such as solar cells and radiation detectors.

Liu et al. (2025) studied this question.

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Solution-mediated process enhances crystallization kinetics and reduces defects in chloride perovskite films, indicating improved device performance.