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  • Wang, Ergang,1981Chalmers tekniska högskola,Chalmers University of Technology,Chalmers (author)

Side-Chain Architectures of 2,7-Carbazole and Quinoxaline-Based Polymers for Efficient Polymer Solar Cells

  • Article/chapterEnglish2011

Publisher, publication year, extent ...

  • 2011-03-07
  • American Chemical Society (ACS),2011

Numbers

  • LIBRIS-ID:oai:research.chalmers.se:ac907ec0-910e-4c6a-81b7-82218d07758d
  • https://doi.org/10.1021/ma102783dDOI
  • https://research.chalmers.se/publication/139929URI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-67710URI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • Three polymers bearing a common carbazole thiophene quinoxaline thiophene backbone, but different side chains, were designed and synthesized in order to investigate the effect of side chains on their photovoltaic performance. Their photophysical, electrochemical, and photovoltaic properties were investigated and compared. The polymer EWC3, with the largest amount of side chains, showed the highest power conversion efficiency of 3.7% with an open-circuit voltage (V-oc) of 0.92 V. The atomic force microscopy images of the active layers of the devices showed that the morphology was highly influenced by the choice of the solvent and processing additive. It is worth noting that polymer solar cells (PSCs) fabricated from EWC3, with branched side chains on the carbazole units, gave a much higher V-oc than the devices made from EWC1, which bears the same electron-deficient segment as EWC3 but straight side chains on carbazole units. This study offered a useful and important guideline for designing 2,7-carbazole-based polymers for high-performance PSCs.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Hou, LintaoLinköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska högskolan(Swepub:liu)linho68 (author)
  • Wang, ZhongqiangLinköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska högskolan(Swepub:liu)zhowa57 (author)
  • Ma, ZaifeiLinköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten(Swepub:liu)zaima15 (author)
  • Hellström, Stefan,1978Chalmers tekniska högskola,Chalmers University of Technology,Chalmers(Swepub:cth)k98hest (author)
  • Zhuang, Wenliu,1979Chalmers tekniska högskola,Chalmers University of Technology,Chalmers(Swepub:cth)wenliu (author)
  • Zhang, FenglingLinköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska högskolan(Swepub:liu)fenzh60 (author)
  • Inganäs, OlleLinköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska högskolan(Swepub:liu)ollin59 (author)
  • Andersson, Mats,1966Chalmers tekniska högskola,Chalmers University of Technology,Chalmers(Swepub:cth)matsand (author)
  • Chalmers tekniska högskolaChalmers (creator_code:org_t)

Related titles

  • In:Macromolecules: American Chemical Society (ACS)44:7, s. 2067-20731520-58350024-9297

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