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Correlating alkyl chain length with defect passivation efficacy in perovskite solar cells

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Abstract

We, for the first time, correlated the alkyl chain length of amine molecules with the defect passivation efficacy, either on the surfaces or at grain boundaries of perovskite films. Blade-coated perovskite solar cells with long-chain amine passivation achieved an efficiency of 21.5%, accompanied by a small voltage loss of 0.35 V.

Graphical abstract: Correlating alkyl chain length with defect passivation efficacy in perovskite solar cells

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Article information


Submitted
17 Feb 2020
Accepted
25 Mar 2020
First published
25 Mar 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

Correlating alkyl chain length with defect passivation efficacy in perovskite solar cells

W. Feng, C. Zhang, J. Zhong, L. Ding and W. Wu, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC01197E

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