Bipyridine-Thiosumanene Isomeric Lewis Bases for Synergistic Defect Passivation and Hole Extraction Enables over 26% Efficient Perovskite Solar Cells
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Interface defects between the perovskite layer and the hole transport layer (HTL) seriously limit the power conversion efficiency (PCE) and stability of perovskite solar cells (PSCs). Herein, we designed two isomers, 4BT and 5BT, based on 2,2'-bipyridine-thio... ...
