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Tin halide perovskite solar cells (PSCs) are regarded as the most promising lead‐free alternatives for photovoltaic applications. However, they still suffer from uncompetitive photovoltaic performance because of the facile Sn2+ oxidation and Sn‐related defects. Herein, a defect and carrier management strategy by using diaminopyridine (DP) and 4‐bromo‐2,6‐diaminopyridine (4BrDP) as multifunctional...
State‐of‐the‐art photodetectors which apply hybrid perovskite materials have emerged as powerful candidates for next‐generation light sensing. Among them, lead‐based ones are the most popular beyond doubt on account of their unique and superior optoelectronic properties. Nevertheless, trade‐off toward commercialization exists between nontoxicity and high performance, with the poor stability of lead‐based...
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