TiO2 Mesoporous Thick Films with Large-Pore Structure for Dye-Sensitized Solar Cell
Abstract:Large-pore mesoporous titania films with thickness up to 3.5 m were prepared by dip-coating method using block copolymer Pluronic P123 as structure directing agent. The highly transparent multilayer mesoporous film shows a large pore size of 8.9 nm with surface area of 129.4 m2 · g−1. The mesopore structure with continuous crystalline framework was maintained after being calcined at 400 °C. Dye-sensitized solar cell (DSSC) based on the large-pore mesoporous film exhibited an enhanced light-to-electricity conversion efficiency of 6.01%, due to the thick large-pore mesoporous film with continuous crystalline framework structure.
Document Type: Research Article
Publication date: August 1, 2008
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