OPTICAL-DETECTION OF NITROGEN MONOXIDE BY METAL PORPHINE DISPERSED IN AN AMORPHOUS SILICA MATRIX

被引：20

作者：

EGUCHI, K

HASHIGUCHI, T

SUMIYOSHI, K

ARAI, H

机构：

[1] Department of Materials Science and Technology, Graduate School of Engineering Sciences, Kyushu University, Kasuga, Fukuoka, 816, Kasugakoen

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 1990年 / 1卷 / 1-6期

关键词：

D O I：

10.1016/0925-4005(90)80192-3

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Optical detection of nitrogen monoxide has been investigated using cobalt α,β,γ,δ-tetrakis (5-sulfothienyl) porphine, which is doped in a silica thin film by a sol-gel method. The absorption band at λ = 420 nm is weakened significantly by contact with gaseous NO at 200 °C but is not sensitive to O2 and CO. The band change is reversible and depends on the pressure of NO in the pressure range 1.3 to 3.2 × 103 Pa. © 1990.

引用

页码：154 / 157

页数：4

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