Low-cost SnSx counter electrodes for dye-sensitized solar cells
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SnS nanosheets (NSs), SnS nanowires (NWs) and SnS2nanosheets were synthesized and investigated as counter electrode (CE) catalysts in a I3/I based dye-sensitized solar cell (DSC) system for the first time. It is found that the SnS NS based DSCs show comparable power-conversion efficiency (Eff= 6.56%) to Pt (7.56%), while the Eff of SnS NW and SnS2 NS based DSCs are 5.00% and 5.14% respectively, indicating the excellent catalytic activity of SnSx for the reduction of triiodide to iodide.
Inorganic Green Chemistry