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    Accepted author manuscript, 776 KB, PDF-document

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DOI

  • Z. DIng
    Bangor University
  • Vasil Stoichkov
  • M. Horie
    National Tsing-Hua University,
  • E. Brousseau
    Cardiff University
  • Jeffrey Kettle
The application of spray coated silver nanowires (AgNWs) onto OPVs for building Integrated Photovoltaics (BIPVs) is demonstrated. By using AgNWs with PEDOT:PSS, a transparent conductive layer was demonstrated on top of an P3HT:PCBM active layer with a sheet resistance of 30 Ω/⎕ for 90% transparency. This has been applied to two separate configurations; semi-transparent OPVs for solar glazing applications and OPVs onto an opaque substrate, namely steel. For the latter, a novel technique to planarise the steel substrate with an intermediate layer is also presented, with a substantial decrease in surface roughness reported to ensure that the substrate is smooth enough to use for OPV fabrication. The use of SU-8 as an intermediate layer reduced the surface roughness to RA=10 nm, which is one of the lowest values reported to date, and was achieved on a low cost substrate (DC01 low carbon steel) using solution processing.
Original languageEnglish
Pages (from-to)305-311
JournalSolar Energy Materials and Solar Cells
Volume157
Issue numberDecember 2016
Early online date4 Jun 2016
DOIs
Publication statusPublished - Dec 2016

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