Journal
MATERIALS LETTERS
Volume 63, Issue 18-19, Pages 1624-1627Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2009.04.036
Keywords
Titanium dioxide; Mesoporous; Sol-gel; Anatase
Funding
- National University of Singapore [R 533 000 003 112/133]
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Synthesis of well-organized and highly crystalline mesoporous titania (TiO2) film is demonstrated using triblock copolymer (Pluronic P123) as a structure directing template, through the evaporation induced self-assembly (EISA) process. The issue of thermal and structural stability of a mesoporous TiO2 film Was addressed via optimization of annealing temperature and time. An anatase phase, high crystallinity TiO2 HIM with ordered pores was obtained at 430 degrees C after annealing for 15 min. The synthesized film was crack free with TiO2 nanoparticle size of 10-15 nm, quasi-hexagonal pore diameter in the range of 8-10 nm and film thickness of similar to 150 nm. (C) 2009 Elsevier B.V. All rights reserved.
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