Chemical modification of nanocrystalline metal oxides: effect of the real structure and surface chemistry on the sensor properties

被引：0
|
作者：
M. N. Rumyantseva
A. M. Gas’kov
机构：
[1] M. V. Lomonosov Moscow State University,Department of Chemistry
来源：
Russian Chemical Bulletin | 2008年 / 57卷
关键词：
nanocrystalline oxides; SnO; Fe; O; V; O; MoO; nanocomposites; chemical modification; distribution of components; real structure; acidic properties of surface; catalytic properties; sensor properties;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The relationships between the composition, structure, chemistry of the surface, and sensor properties of nanocomposites SnO2-MnOm (MnOm = Fe2O3, MoO3, V2O5) obtained by chemical precipitation from solutions were analyzed. The relationships between the elemental and phase composition of the nanocomposites and the effect of the composition on the nanostructure and the acidic and oxidation properties of the nanocomposite surface were considered. The modification of the SnO2 surface by other oxides makes it possible to control the type and density of the acid sites and the oxidation properties of the surface and to enhance the selectivity of the materials in the detection of various gases.
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页码：1106 / 1125
页数：19
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