Fine-tuning chemical passivation over photovoltaic perovskites by varying the symmetry of bidentate acceptor in D–A molecules
Journal of Materials Chemistry A(2023)
摘要
The synergistic passivating effect resulting from the charge-symmetric bidentate CN groups achieved excellent coordination of TA-MN passivator with Pb2+ defects in perovskite, thus resulting in improved PCE with reduced VOC loss.
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