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Home  >  Journal list  >  MATERIALS TRANSACTIONS  >  Vol.45  No.7 (2004)  >  pp.2035-2038

MATERIALS TRANSACTIONS
<<Previous article Vol.45  No.7 (2004)   pp.2035 - 2038 Next article>>

Characterization of the Ni-Zn/TiO2 Nanocomposite Synthesized by the Liquid-Phase Selective-Deposition Method

Sarantuya Myagmarjav1), Hideyuki Takahashi2), Yoji Sunagawa1), Katsutoshi Yamamoto2), Nobuaki Sato2), Eiichiro Matsubara3) and Atsushi Muramatsu2)
1) Graduate School of Environmental Studies, Tohoku University
2) Institute for Multidisciplinary Research for Advanced Materials, Tohoku University
3) Institute for Materials Research, Tohoku University


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.


Keyword:
nickel-zinc nanoparticle, liquid-phase selective-deposition method

Received: March 16, 2004
Accepted: June 14, 2004 , Published online: June 24, 2005
Copyright (c) 2005 The Japan Institute of Metals

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