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Issue 5, 2014
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Recent advances of non-fullerene, small molecular acceptors for solution processed bulk heterojunction solar cells

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Abstract

Organic, planar, and electron deficient small molecules were utilized as acceptors in the first reported bilayer heterojunction solar cells, however, current state-of-the-art organic photovoltaic (OPV) cells utilize fullerene derivatives as acceptor molecules. Recently, intensive efforts have been directed towards the development and understanding of soluble, non-fullerene, organic small molecules to fabricate bulk heterojunction (BHJ) solar cells. These efforts have been aimed at overcoming the inherent limitations of fullerene compounds such as the limited spectral breadth, air instability, and the typically higher production costs of fullerenes. In this focused review, we have highlighted the most recent progress over the last couple of years towards developing n-type organic small molecules utilized in BHJ devices in order to provide insight towards improving the overall performance of OPVs.

Graphical abstract: Recent advances of non-fullerene, small molecular acceptors for solution processed bulk heterojunction solar cells

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Article information


Submitted
20 Oct 2013
Accepted
30 Oct 2013
First published
31 Oct 2013

J. Mater. Chem. A, 2014,2, 1201-1213
Article type
Feature Article

Recent advances of non-fullerene, small molecular acceptors for solution processed bulk heterojunction solar cells

A. F. Eftaiha, J. Sun, I. G. Hill and G. C. Welch, J. Mater. Chem. A, 2014, 2, 1201
DOI: 10.1039/C3TA14236A

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