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A Large-Area Light-Weight Dye-Sensitized Solar Cell based on All Titanium Substrates with an Efficiency of 6.69% Outdoors



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Light-weight PEDOT–Pt/Ti mesh and Ti/TiO2 foil electrodes are prepared. Owing to the PEDOT–Pt/Ti photocathode's high transparency, good electrocatalytic activity, and low resistance; the Ti/TiO2 anode's large specific area and high conductivity, a light-weight backside illuminated large-area (100 cm2) dye-sensitized solar cell achieves an energy conversion efficiency of 6.69% under an outdoors sunlight irradiation of 55 mW cm−2.