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Quinoxaline-Based Conjugated Polymers for Polymer Solar Cells

Abstract

The bulk heterojunciton (BHJ) polymer solar cells (PSCs) as the promising alternative to conventional silicon-based solar cells have achieved rapid developments in recent years. In the BHJ concept, the active layer of PSC normally consist a blend film of a conjugated polymer donor and an electron acceptor. In the view of conjugated polymer with OPV function, it needs the polymer should have sufficient solubility, broad absorption spectrum, high absorption coefficient, and well-matched energy levels with the electron acceptor. To this aim, numerous conjugated polymers have been developed up to date. Among them, quinoxaline-based polymers have shown the promising future with reaching the very outstanding power conversion efficiency (PCE) of more than 11%, which shows its significant potential in reaching the efficiency limit to commercial applications of polymer solar cells. In this review, we summarized the quinoxaline- based conjugated polymers for efficient polymer solar cells by classifying them in different donors, alkyl and/or aromatic chains, functional groups, and we also overviewed their photovoltaic device performances to provide a better understands and guidelines for the relationship of the structure-performance in such quinoxaline-based polymers. We believe that the further developments of quinoxaline-based conjugated polymers through the synergy of molecular engineering strategy will promote the photovoltaic performance to be more closing to commercial applications in near future.

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Publication details

The article was received on 23 May 2017, accepted on 10 Jul 2017 and first published on 10 Jul 2017


Article type: Review Article
DOI: 10.1039/C7PY00850C
Citation: Polym. Chem., 2017, Accepted Manuscript
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    Quinoxaline-Based Conjugated Polymers for Polymer Solar Cells

    M. Liu, Y. Gao, Y. Zhang, Z. Liu and L. Zhao, Polym. Chem., 2017, Accepted Manuscript , DOI: 10.1039/C7PY00850C

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