4-biphenylcarboxylic acid as defect passivation for high-efficient perovskite solar cells

Lei Jin,Xing Liu,Yi-Lin Li,Jian Zhou,Wensheng Fu

Applied Surface Science（2023）

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摘要

The hydrophobic 4-biphenylcarboxylic acid applied for synergistically passivating defects in the MAPbI3 film can reduce defect density, form extra interface electric field, and improve stability of PSCs, consequently, the PCE of the 4-BBC passivated PSC with good stability is increased to 20.32 %.

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关键词

perovskite,solar cells,defect passivation,high-efficient

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