Nano-structuring of complex metal oxides for catalytic oxidation

被引：25
|
作者：
Ueda, Wataru [1 ]
Sadakane, Masahiro [1 ]
Ogihara, Hitoshi [1 ]
机构：
[1] Hokkaido Univ, Catalysis Res Ctr, Kita Ku, Sapporo, Hokkaido 0010021, Japan
来源：
CATALYSIS TODAY | 2008年 / 132卷 / 1-4期
关键词：
complex metal oxide catalyst; nano-sized structure; unit synthesis; soft synthesis; template;
D O I：
10.1016/j.cattod.2007.12.012
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
New crystalline solid materials Of Mo3VOx, having high-dimensional structures were synthesized in a single crystalline form using a hydrothermal method where the essential structural unit in the structure already presents in the preparative solution and the fundamental structure Of Mo3VOx, is formed as a result of self-organization between negatively charged pentagonal units and VO2+ cations. We also synthesized metal oxides by using organic solids with particular shapes as templates in order to create nano-macrostructures. Three-dimensionally ordered macroporous (3DOM) materials of polycrystalline spinel- and perovskite-type materials were fabricated using a colloidal crystal template method in extremely high yield. In the synthesis of oxide nanotubes, we demonstrate that various oxide nanotubes could be synthesized by the adsorption and hydrolysis of precursors on the surface of carbon nanotiber templates and by the oxidative removal of templates. A variety of oxide nanotubes such as thick, thin, and helical nanotubes reflecting the shapes of carbon nanofibers could be synthesized. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：2 / 8
页数：7
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