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π‐Conjugated Lewis Base: Efficient Trap‐Passivation and Charge‐Extraction for Hybrid Perovskite Solar Cells
Journal article   Open access  Peer reviewed

π‐Conjugated Lewis Base: Efficient Trap‐Passivation and Charge‐Extraction for Hybrid Perovskite Solar Cells

Yuze Lin, Liang Shen, Jun Dai, Yehao Deng, Yang Wu, Yang Bai, Xiaopeng Zheng, Jiayu Wang, Yanjun Fang, Haotong Wei, …
Advanced materials (Weinheim), Vol.29(7), pp.1604545-n/a
01/02/2017
DOI: https://doi.org/10.1002/adma.201604545
PMID: 27922737

Abstract

charge extraction perovskite solar cells trap passivation π‐conjugated Lewis base
A π‐conjugated Lewis base is introduced into perovskite solar cells, namely, indacenodithiophene end‐capped with 1.1‐dicyanomethylene‐3‐indanone (IDIC), as a multifunctional interlayer, which combines efficient trap‐passivation and electron‐extraction. Perovskite solar cells with IDIC layers yield higher photovoltages and photocurrents, and 45% enhanced efficiency compared with control devices without IDIC.
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https://doi.org/10.1002/adma.201604545View
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