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Nanoscale functional interlayers formed through spontaneous vertical phase separation in polymer photovoltaic devices

Journal of Materials Chemistry, ISSN: 0959-9428, Vol: 19, Issue: 37, Page: 6865-6869
2009
  • 77
    Citations
  • 0
    Usage
  • 55
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    77
    • Citation Indexes
      77
  • Captures
    55

Article Description

A nanoscale interlayer formed through spontaneous vertical phase separation enhances the efficiency and stability of polymer solar cells. Poly(ethylene glycol) molecules blended into the photoactive layer spontaneously migrate to the surface of the polymer blend to form the interfacial buffer, thereby reducing the contact resistance after undergoing chemical reactions with the Al atoms of the cathode. The vertical phase separation of PEG molecules in the device were investigated by using depth profiling scanning electron microscopy and atomic force microscopy. © 2009 The Royal Society of Chemistry.

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