Baron, M. G., Narayanaswamy, R. and Thorpe, S. C. (1993) Luminescent porphyrin thin films for NOX sensing. Sensors and Actuators: B. Chemical, 11 (1-3). pp. 195-199. ISSN 0925-4005
Full content URL: http://dx.doi.org/10.1016/0925-4005(93)85254-8
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| Item Type: | Article |
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| Item Status: | Live Archive |
Abstract
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. © 1993.
| Keywords: | Chemical reactions, Dyes, Electric conductivity measurement, Fluorescence, Langmuir Blodgett films, Nitrogen oxides, Thin films, Conditioning process, Dark reversible interactions, Fluorescence quenching, NOX sensing, Porphyrin thin films, Vacuum sublimation, Gas detectors |
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| Subjects: | F Physical Sciences > F100 Chemistry |
| Divisions: | College of Science > School of Life Sciences |
| Related URLs: | |
| ID Code: | 10581 |
| Deposited On: | 10 Jul 2013 15:21 |
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