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Keywords:

  • dye-sensitized solar cells;
  • energy conversion;
  • hole conductors;
  • semiconductors;
  • solid-state
Thumbnail image of graphical abstract

Switching to solids: Solid-state dye-sensitized solar cells are achieving efficiencies similar to those of their counterparts with liquid electrolytes. The new p-type semiconductor CsSnI3 was found to be an excellent replacement for the traditional I/I3 redox system. The picture shows a cross section of a dye-sensitized solar cell based on CsSnI3.