Journal
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
Volume 8, Issue 8, Pages 3877-3882Publisher
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2008.197
Keywords
Titania; Mesoporous Film; Large-Pore Structure; DSSC; Template
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Large-pore mesoporous titania films with thickness up to 3.5 mu 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 m(2) . g(-1). The mesopore structure with continuous crystalline framework was maintained after being calcined at 400 degrees 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.
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