Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 449, Issue -, Pages 1151-1154Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2006.01.165
Keywords
TiO2 powder; transition metal ion; mechanical alloying; photocatalyst
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Transition metal ion of Ni2+ doped TiO2 nanostructured powders were synthesized by mechanical alloying to shift the adsorption threshold into the visible light region. The X-ray patterns for samples showed three phases of TiO2 such as rutile, anatase and brookite. The 8 wt.% Ni-doped TiO2 powders consisted of spherical primary particles with a size of about 50 nm and secondary particles about 100-300 nm. The transition metal ion of Ni2+ doped TiO2 powders showed excellent photo-oxidative ability in 4-chlorophenol degradation. (c) 2006 Elsevier B.V. All rights reserved.
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