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Keywords:

  • charge transfer;
  • electrodes;
  • nanoimprint lithography;
  • nanostructures;
  • solar cells
Thumbnail image of graphical abstract

A periodically aligned Pt nanocup array is employed as a counter electrode in dye-sensitized solar cells (DSSCs). The Pt nanocup array enhances the catalytic area, which results in a greater fill factor (FF) and higher short-circuit current (Jsc). A higher density of nanocups is preferable for the performance of DSSCs.