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Functionalization of Fullerene Materials toward Applications in Perovskite Solar Cells

Abstract

Fullerene materials exhibit high electron affinity, high electron mobility and small reorganization energy, thus have been widely utilized as electron transport layers, cathode interfacial layers and trap passivators in constructing efficient organic-inorganic hybrid halide perovskite solar cells (PSCs). Herein, we summarize the recent progress of functionalized fullerene materials (i.e., fullerene derivatives) which have been applied in PSCs, focusing on chemical functionalization strategies. We provide exhaustive lists of all reported fullerene derivatives applied in PSCs, and categorize them based on types of the addend groups and addition patterns. In particular, we manage to unveil the correlation between the chemical structures of fullerene derivatives especially the addend groups with their performance in improving the PSC device efficiency and stability. Finally, we propose an outlook on the future development of fullerene derivatives in realizing high-performance PSC devices.

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Supplementary files

Article information


Submitted
07 May 2020
Accepted
10 Jun 2020
First published
11 Jun 2020

Mater. Chem. Front., 2020, Accepted Manuscript
Article type
Review Article

Functionalization of Fullerene Materials toward Applications in Perovskite Solar Cells

S. Yang, L. Jia and M. Chen, Mater. Chem. Front., 2020, Accepted Manuscript , DOI: 10.1039/D0QM00295J

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