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Advanced Materials

All-Solid-State Dye-Sensitized Nanoporous TiO2 Hybrid Solar Cells with High Energy-Conversion Efficiency

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Abstract

Homogeneous nanoporous TiO2 films with controlled architecture, porosity, and layer thickness (see figure) have been prepared by the sol–gel methodology to optimize the efficiency of solid-state dye-sensitized solar cells. Using regioregular poly(3-octylthiophene) as a hole conductor, a high solar-conversion efficiency associated with excellent stability under light and air exposure has been achieved.

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