MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
Characterization of the Ni-Zn/TiO2 Nanocomposite Synthesized by the Liquid-Phase Selective-Deposition Method
Sarantuya MyagmarjavHideyuki TakahashiYoji SunagawaKatsutoshi YamamotoNobuaki SatoEiichiro MatsubaraAtsushi Muramatsu
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2004 Volume 45 Issue 7 Pages 2035-2038

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Abstract

The characterization of Ni-Zn/TiO2 nanocomposite synthesized by the liquid-phase selective-deposition method was studied. Nanoparticles were well dispersed and stabilized by the selective deposition onto TiO2 surface. The particle size was decreased with increasing the amount of Zn added, thus the catalytically active Ni surface area was increased. The selective deposition onto TiO2 surface and addition of Zn to the nanoparticles promoted the catalytic activity of Ni-Zn nanoparticles, e.g. the catalytic activity of Ni-Zn/TiO2 for 1-octene hydrogenation was ca. 10 times higher than that of the unsupported Ni nanoparticles. Ni in the nanocomposite was assigned as metallic, although their surface was oxidized under the atmospheric condition, but Zn and B were deposited as their oxide.

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© 2004 The Japan Institute of Metals and Materials
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