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Brush painting of transparent PEDOT/Ag nanowire/PEDOT multilayer electrodes for flexible organic solar cells

Solar Energy Materials and Solar Cells, ISSN: 0927-0248, Vol: 114, Page: 15-23
2013
  • 88
    Citations
  • 0
    Usage
  • 117
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    88
    • Citation Indexes
      88
  • Captures
    117

Article Description

We fabricated highly transparent and flexible poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS)/Ag nanowire (NW)/PEDOT:PSS (PAP) multilayer electrodes by continuous brush-painting for used as flexible anode in highly flexible organic solar cells (FOSCs). By combining the flexibility of PEDOT:PSS and low resistivity of Ag NWs, we fabricated highly flexible PAP multilayer electrodes with a low sheet resistance of 13.96 Ω/square and a high diffusive transmittance of 80.48%. Effective embedment of the Ag NW network into the conductive PEDOT:PSS layer led to metallic conductivity and a high diffusive transmittance, which are desirable in transparent anodes for FOSCs. In addition, the PAP electrode showed an invariable resistance (Δ R / R 0 ) during outer and inner bending testing, due to the high strain failure of both PEDOT:PSS and Ag NW network. The identical current density–voltage behavior of the FOSCs with the brush-painted PAP electrode as the FOSC with a conventional ITO electrode demonstrates that the brush-painted PAP multilayer is a promising alternative to high-cost ITO electrodes to produce cost-efficient FOSCs. Furthermore, we suggest that high-performance, transparent, and flexible electrodes can be fabricated by low-cost brush-painting for paintable FOSCs.

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