The optical and gas-sensitive properties of opal-like structures based on SnO2

被引：0
|
作者：
Bondarenko, E. A. [1 ]
Bondarenko, S. A. [1 ]
Kargin, N. I. [2 ]
Gromov, V. F. [1 ]
Belysheva, T. V. [1 ]
Spiridonova, E. Yu. [1 ]
Mikhnev, L. V. [3 ]
Trakhtenberg, L. I. [3 ]
机构：
[1] LY Karpov Phys Chem Res Inst, Moscow 105064, Russia
[2] Natl Res Nucl Univ, Moscow State Inst Engn Phys, Moscow 115409, Russia
[3] N Caucasus State Tech Univ, Stavropol, Russia
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2012年 / 86卷 / 06期
基金：
俄罗斯基础研究基金会;
关键词：
opal-like structures; photon stop-zone; tin dioxide; sensor sensitivity;
D O I：
10.1134/S0036024412060064
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Opal-like materials based on tin dioxide were prepared, and their structural and sensor characteristics were studied. The optical transmission spectra of opal-like structures based on SnO2 were recorded, and the volume fraction occupied in them by tin dioxide was estimated. It was shown that structures based on SnO2 contained a photon stop-zone in the visible spectrum range. The sensor properties of the materials toward CO and H-2 were studied over the temperature range 375-425A degrees C. The SnO2 samples studied had much higher sensitivity to CO compared with SnO2 materials without opal-like structures.
引用
收藏
页码：987 / 991
页数：5
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