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Colorimetric Sensor Array based on Ink-jet Printing Method for Gas Detection System

Authors:
Jeong Ho An
Dami Kim
Sanghyo Kim
Do Young Lee
Inkyun Jeon

Keywords: Hazardous Gas sensing, Inkjet printing, CMOS Image sensor, Colorimetric sensor

Abstract:
Hazardous gas detection is one of the important issues in the industry field that are dealing with the toxic chemicals. The colorimetric sensor array has been developed for detection of the toxic industrial chemicals (TICs). This study describes a colorimetric sensor array by using printing method and CMOS image sensor for highly sensitive gas detection system. The sensor array is produced by the piezo inkjet-printer in order to achieve array uniformity, cost efficient and adjustment of array thickness. The initial colors of sensor array are changed by chemical gases within 10 seconds of exposure to TWA (Time-weighted average) concentration. Detection of color change by CMOS image sensor to absorb the color differences is performed in array spot before and after gas exposure. This printing method of sensor array demonstrates the potential for sensing application of sensitivity, rapidity and it is simple method to use.

Pages: 1 to 3

Copyright: Copyright (c) IARIA, 2016

Publication date: July 24, 2016

Published in: conference

ISSN: 2308-3514

ISBN: 978-1-61208-494-7

Location: Nice, France

Dates: from July 24, 2016 to July 28, 2016