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Keywords:

  • Carbon nanotubes;
  • Graphene oxide;
  • Green processing;
  • Hole transporting layer;
  • Organic photovoltaics
Thumbnail image of graphical abstract

Adding a small amount of single walled carbon nanotubes (SWCNTs) greatly improves graphene oxide (GO)’s performance as the anode modifying layer for polymer solar cells, putting it on par with the commonly used PEDOT:PSS. The high red/infrared transparency and water processability should make GO:SWCNTs an attractive interfacial layer material for high performance polymer solar cells with low bandgap polymers.