Enhanced Materials for Organic Photovoltaics

  • Author: ChemistryViews.org
  • Published: 05 August 2015
  • Copyright: Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
  • Source / Publisher: Merck KGaA
thumbnail image: Enhanced Materials for Organic Photovoltaics

Merck and Nano-C announced their development and launch of C60 based fullerene derivatives to be used in organic photovoltaic (OPV) cells. According to the companies, their development points the way to a cost effective C60 based electron acceptor for use with low band-gap systems, offering comparable stability to C70 based fullerene derivatives in OPV. The joint development brings together Merck's experience with organic semiconducting materials and Nano-C's know-how in fullerene derivatives.

The companies report that the fullerene derivatives have an improved lifetime and thermal stability, an increased open circuit voltage, use environmentally friendly non-halogenated solvent systems, and solve critical thermal degradation issues. They have been placed into active layer formulations ready for deposition.


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