Published January 1, 2015 | Version v1
Journal article Open

Pyrrolidino [60] and [70]fullerene homo- and heterodimers as electron acceptors for OPV

  • 1. Univ Complutense Madrid, Fac Ciencias Quim, Dept Quim Organ, E-28040 Madrid, Spain
  • 2. IMDEA Nanociencia, Madrid 28049, Spain

Description

New [60] and [70]fullerene homo-and heterodimers absorbing in the visible region have been synthesized and fully characterized. In order to increase the solubility and processability of the new fullerene dimers, different alkyl chains have been used which has allowed the determination of the influence of the solubilizing alkyl groups on the photovoltaic performance. Atomic force microscopy experiments carried out on blends of these dimers and P3HT evidenced the formation of large aggregates, which significantly influence the photovoltaic efficiency.

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