Journal
MATERIALS LETTERS
Volume 58, Issue 22-23, Pages 2751-2753Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2004.04.015
Keywords
TiO2 film; nanoporous; sol-gel preparation; dip-coating; trehalose
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The precursor solutions containing TiO2 sol for nanoporous films were prepared by hydrolyzing titanium(IV) isopropoxide and adding trehalose dihydrate. The porous and thick TiO2 film was prepared by dip-coating technique on glass substrate and heating at 500 degreesC. The maximum thickness of the film prepared by one-run dip-coating was ca. 740 nm. The film was composed of nanosized particles (10-20 nm) and pores (7 nm). The specific surface area and porosity of the film were 163 m(2)/g and 65%, respectively. (C) 2004 Elsevier B.V. All rights reserved.
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