Interaction between thin-film tin oxide gas sensor and five organic vapors

被引：96

作者：

Gong, H ^{[1
]}

Wang, YJ ^{[1
]}

Teo, SC ^{[1
]}

Huang, L ^{[1
]}

机构：

[1] Natl Univ Singapore, Dept Mat Sci, Singapore 119260, Singapore

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 1999年 / 54卷 / 03期

关键词：

tin oxide; alcohol; organic vapors; gas sensor;

D O I：

10.1016/S0925-4005(99)00119-7

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A thin-film tin oxide gas sensor was tested in a flow system for the sensitivity to each vapor (10, 10(2), 10(3) ppm in air) of methanol, ethanol, isopropanol, acetone and acetic acid. With a change in operating temperature, the sensitivity to each vapor went through a maximum around 450 degrees C. When compared at the same vapor concentration, the sensitivity was in the order of acetic acid > isopropanol > ethanol > acetone > methanol. This sequence was interpreted as resulting from the differences in ability to reduce tin oxide among the vapors. (C) 1999 Elsevier Science S.A. All rights reserved.

引用

页码：232 / 235

页数：4

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