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Development of quinoxaline based polymers for photovoltaic applications
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SYSNO ASEP 0471742 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Development of quinoxaline based polymers for photovoltaic applications Author(s) Yuan, J. (CN)
Ouyang, J. (SG)
Cimrová, Věra (UMCH-V) RID, ORCID
Leclerc, M. (CA)
Najari, A. (CA)
Zou, Y. (CN)Source Title Journal of Materials Chemistry C. - : Royal Society of Chemistry - ISSN 2050-7526
Roč. 5, č. 8 (2017), s. 1858-1879Number of pages 22 s. Language eng - English Country GB - United Kingdom Keywords conjugated polymers ; quinoxaline based ; photovoltaics Subject RIV BM - Solid Matter Physics ; Magnetism OECD category Condensed matter physics (including formerly solid state physics, supercond.) R&D Projects GA13-26542S GA ČR - Czech Science Foundation (CSF) Institutional support UMCH-V - RVO:61389013 UT WOS 000396048600001 EID SCOPUS 85014053047 DOI https://doi.org/10.1039/C6TC05381E Annotation Polymer solar cells (PSCs) with a bulk heterojunction (BHJ) structure, i.e. a blend of a p-type conjugated polymer with an n-type semiconductor acceptor, have made rapid progress over the past decade. In comparison with inorganic semiconductor solar cells, PSCs have the advantages of low cost, light weight, solution processability and good mechanical flexibility. In the last few years, various classes of electron-donating polymers have been reported for PSCs. Among them, quinoxaline (Qx) and its derivatives have been widely used as building blocks for optoelectronic applications because they can be easily modified by varying the side chains, such as alkyl chains, conjugated aromatic rings, functional groups, etc. Recently, a power conversion efficiency (PCE) of over 11% was achieved for PSCs with Qx-based polymers. This PCE is among the best for PSCs, and it suggests that Qx-based polymers have great potential for highly efficient PSCs. In this article, we review the recent advances in the design and synthesis of such Qx-based conjugated polymers for photovoltaic applications. Particular attention is paid to the chemical structures of the polymers including flexible chains, conjugated side chains, functional groups, Qx derivatives and the effect of the molecular structure on device performance parameters. We believe that further development of Qx-based polymers will lead to a PCE >12% in the near future. Workplace Institute of Macromolecular Chemistry Contact Eva Čechová, cechova@imc.cas.cz ; Tel.: 296 809 358 Year of Publishing 2018
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