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Surface trap as intrinsic defects‐mediated non‐radiative charge recombination is a major obstacle to achieving the reliable fabrication of high‐efficiency and large‐area perovskite photovoltaics. Here a CS2 vapor‐assisted passivation strategy is proposed for perovskite solar module, aiming to passivate the iodine vacancy and uncoordinated Pb2+ caused by ion migration. Significantly, this method can...
Perovskite Solar Modules
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. CS2 can strongly coordinate with undercoordinated Pb2+ and passivate iodide vacancy defects, resulting in remarkable enhancement of the device efficiency (25.20% for 0.08 cm2 and 20.66% for 40.6 cm2).
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