In article number 2211593, Yang Wang, Yanlin Song, and co-workers propose a strategy of vapor-assisted defect passivation to manage defects in perovskite solar modules. CS 2 can strongly coordinate with undercoordinated Pb 2+ and passivate iodide vacancy defects, resulting in remarkable enhancement of the device efficiency (25.20% for 0.08 cm 2 and 20.66% for 40.6 cm 2 ).
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