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Keywords:

  • photovoltaic devices;
  • conjugated polymers;
  • zinc oxide
Thumbnail image of graphical abstract

Inverted OPV devices based on sol-gel derived vanadium oxides (VOx) as an interfacial layer are demonstrated. The VOx shows excellent characteristics as a hole-transporting and protecting layer. The constructed devices exhibit enhanced performance with the studied polymers and are highly durable under accelerated conditions for long time periods.