Journal
MATERIALS RESEARCH BULLETIN
Volume 73, Issue -, Pages 290-295Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2015.09.022
Keywords
Nanostructures; Oxide; Chemical synthesis; Electron microscopy; Catalytic properties
Categories
Funding
- <GS1>National Natural Science Foundation of China [51172159]
- Specialized Research Fund for the Doctoral Program of Higher Education of China [20110032110023]
- Recruitment Program of Global Experts 1000 Talents Plan of China [WQ20121200052]
- Program for New Century Excellent Talents in University [NCET-11-1050]
- Grants-in-Aid for Scientific Research [26630299] Funding Source: KAKEN
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Nanosized rutile-brookite TiO2 was prepared by a chemical dealloying method. The nanosized rutile-brookite TiO2 consist of rutile-type nanorods and brookite-type nanocubes. The size of rutile-type nanorod is about 200 nm in length and 50 nm in diameter. The brookite-type nanocube is a relatively rough cube with a size of about 150 nm. The formation mechanism was investigated. The formation of brookite or rutile strongly is depended on the Ti/Cl ratio of the solution. Compared with commercial nanosized TiO2 product (P25), the light absorption spectrum of the rutile-brookite TiO2 exhibits obvious red shift. The as-prepared nanosized rutile-brookite TiO2 exhibits good photocatalytic activity, recovery and recycle stability. (C) 2015 Elsevier Ltd. All rights reserved.
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