LUMINESCENT PORPHYRIN THIN-FILMS FOR NOX SENSING

被引：12

作者：

BARON, MG

NARAYANASWAMY, R

THORPE, SC

机构：

[1] UMIST,DEPT INSTRUMENTAT & ANALYT SCI,POB 88,MANCHESTER M60 1QD,ENGLAND

[2] HLTH & SAFETY EXECUT,FIELD METHODS SECT,SHEFFIELD S3 7HQ,ENGLAND

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 1993年 / 11卷 / 1-3期

关键词：

D O I：

10.1016/0925-4005(93)85254-8

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

It has been found that by conditioning porphyrin films to NOX, a reproducible and reversible interaction with the gas at room temperature can be obtained. The interaction is measured using the technique of fluorescence quenching, which easily detects 9.4 ppm of NOX. Observed variations in the responses between different films may be due to differences in the conditioning process. Conductivity measurements indicate that a dark interaction takes place, which at elevated temperatures is fast and reversible.

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页码：195 / 199

页数：5

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