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Influence of electron-donating and accepting functionalization of fullerene-based photosensitizers on the charge-generation efficiency of polymer composites

Abstract

We studied a series of fullerene derivatives, which had been functionalized by an electron-donating group (triphenylamine) or an electron-accepting group (cyanobenzene), for use as photosensitizers in photoconducting polymer composites. The functionalized fullerenes were synthesized via the Prato reaction. The electronic energy levels of the fullerene derivatives and photo-charge-generation efficiencies of charge-transfer complex between the photoconducting polymer and the dopant were investigated by using density functional theory calculations, optical absorption spectroscopy, and xerographic discharge methods.

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Correspondence to Felix Sunjoo Kim.

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Choi, J., Kim, N., Oh, JW. et al. Influence of electron-donating and accepting functionalization of fullerene-based photosensitizers on the charge-generation efficiency of polymer composites. Journal of the Korean Physical Society 67, 1998–2002 (2015). https://doi.org/10.3938/jkps.67.1998

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  • DOI: https://doi.org/10.3938/jkps.67.1998

Keywords

  • Photo-charge generation
  • Charge-transfer complex
  • Functionalized fullerene
  • Photosensitizer
  • Xerography