Metal-oxide based nanocomposites as materials for gas sensors

被引：12
|
作者：
Rumyantseva, M. N. [1 ]
Kovalenko, V. V. [1 ]
Gas'kov, A. M. [1 ]
Pagnier, T. [2 ]
机构：
[1] Moscow MV Lomonosov State Univ, Fac Chem, Moscow 119992, Russia
[2] Inst Natl Polytech Grenoble, F-38031 Grenoble, France
来源：
RUSSIAN JOURNAL OF GENERAL CHEMISTRY | 2008年 / 78卷 / 05期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1134/S1070363208050411
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Correlations between the composition, structure, and sensor properties of SnO2-(MO)-O-II (M-II O = Fe2O3, MoO3, V2O5) nanocomposites prepared by wet chemistry synthesis were elucidated. The elemental and phase compositions of the materials, distribution of components between the bulk and surface, particle size, and specific surface area were examined. Surface modification of semiconductor oxides allows controlling the type and density of surface acid centers and redox properties of materials. The result is an increase in the sensor selectivity.
引用
收藏
页码：1081 / 1092
页数：12
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