Discrimination of Chemical Compounds and Functional Groups by Pattern Recognition Using an Integrated Sensor

Discrimination of Chemical Compounds and Functional Groups by Pattern Recognition Using an... An integrated sensor with three elements zinc oxide, tin oxide and tungsten oxide was fabricated by thick film techniques in order to develop a smell sensor. Using this sensor and pattern recognition method, the possibility of identifying 15 chemical compounds which belong to the alcohol, ester, ketone, benzene and hydrocarbon group was examined. The following results were obtained All 15 compounds have different patterns, so they can be individually identified compounds which have the same functional groups have similar patterns and, when gas sensitivity of three elements is displayed in a threedimensional space, the compounds with the same functional group form a specific closed space. This indicates that the sensor can identify functional groups of chemical compounds. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Microelectronics International Emerald Publishing

Discrimination of Chemical Compounds and Functional Groups by Pattern Recognition Using an Integrated Sensor

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
1356-5362
DOI
10.1108/eb044319
Publisher site
See Article on Publisher Site

Abstract

An integrated sensor with three elements zinc oxide, tin oxide and tungsten oxide was fabricated by thick film techniques in order to develop a smell sensor. Using this sensor and pattern recognition method, the possibility of identifying 15 chemical compounds which belong to the alcohol, ester, ketone, benzene and hydrocarbon group was examined. The following results were obtained All 15 compounds have different patterns, so they can be individually identified compounds which have the same functional groups have similar patterns and, when gas sensitivity of three elements is displayed in a threedimensional space, the compounds with the same functional group form a specific closed space. This indicates that the sensor can identify functional groups of chemical compounds.

Journal

Microelectronics InternationalEmerald Publishing

Published: Feb 1, 1988

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