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Solventless deposition of oligo- and polythiophenes for bulk heterojunction solar cells

Synthetic Metals, ISSN: 0379-6779, Vol: 195, Page: 61-68
2014
  • 7
    Citations
  • 0
    Usage
  • 20
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    7
    • Citation Indexes
      7
  • Captures
    20

Article Description

In this paper we report on the vacuum thermal evaporation (VTE) of poly(3-hexyl)thiophene (P3HT) and a thiophene derivative octamer (OCT) on glassy substrates. The films obtained have been characterized using FT-IR and NMR techniques and, for OCT, UV–vis, XRD and cyclic voltammetry. Solar cells, obtained by simultaneous evaporation of the electron–donor (P3HT or OCT) and electron-acceptor (C 60 -fullerene) components, were examined by AFM and their efficiency was evaluated under simulated solar illumination. With the oligomeric sample a power conversion efficiency of 1.21% was obtained: a value higher than that obtained with a device prepared with the same oligomer adopting the conventional coating systems used for building-up polymeric BHJ solar cells.

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