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CO2 sensing characteristics of SAW sensor operated at high temperature
Author(s): Abhishek Ghosh; Chen Zhang; Haifeng Zhang
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Paper Abstract

Development of indigenous CO2 sensing element operated at an extreme operating temperature (≥ 350 °C) is highly desirable. Use of langasite based surface acoustic wave (SAW) gas sensors is extremely advantageous compared to other commercially available sensors as it can operate at a higher temperature (> 300 °C). Only a few literature reports exist which demonstrated a high-temperature CO2 gas sensor. In the present study, we have demonstrated CO2 sensing properties using langasite based SAW sensors. The temperature-dependent gas sensing characteristics have been determined by observing frequency shift due to the adsorption of gas molecules.

Paper Details

Date Published: 27 March 2019
PDF: 7 pages
Proc. SPIE 10970, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2019, 109702A (27 March 2019); doi: 10.1117/12.2517006
Show Author Affiliations
Abhishek Ghosh, Univ. of North Texas (United States)
Chen Zhang, Univ. of North Texas (United States)
Haifeng Zhang, Univ. of North Texas (United States)


Published in SPIE Proceedings Vol. 10970:
Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2019
Jerome P. Lynch; Haiying Huang; Hoon Sohn; Kon-Well Wang, Editor(s)

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