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Graphene-based acceptor molecules for organic photovoltaic cells: a predictive study identifying high modularity and morphological stability

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Published
  • D. Bégué
  • E. Guille
  • S. Metz
  • M. A. Arnaud
  • H. Santos Silva
  • M. Seck
  • Pierre Claude Fayon
  • C. Dagron-Lartigau
  • P. Iratcabal
  • R. C. Hiorns
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<mark>Journal publication date</mark>2016
<mark>Journal</mark>RSC Advances
Issue number17
Volume2016
Number of pages4
Pages (from-to)13653-13656
Publication StatusPublished
Early online date25/01/16
<mark>Original language</mark>English

Abstract

Ideal donor:acceptor pairs are required to improve organic photovoltaic lifetimes and efficiencies. Here an idealized donor:acceptor for organic solar cells is predicted. Circular and triangular graphene-based hexabenzocoronenes are shown, in conjunction with the energetically well-placed poly(3-oxypentylthiophene), to provide requisite HOMO/LUMO levels for efficient charge transfer through columnar structures and hole/electron extraction. Circular hexabenzocoronenes are furthermore adaptable to energy-level modulation by targeted substitutions.