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Keywords:

  • conversion efficiency;
  • dye-sensitized solar cells;
  • light scattering;
  • near-infrared light harvesting;
  • upconverter-doped TiO2
Thumbnail image of graphical abstract

Upconverter-doped TiO2 hollow shells prepared by a simple one-pot hydrothermal method can be used as a dual-functional top-layer in the photoanodes of dye-sensitized solar cells, not only improving the light scattering, but also enhancing near-infrared light harvesting of the DSSC cells.