A novel wireless gas sensor based on LTCC technology

Ma, M, Khan, H, Shan, W, Wang, Y, Ou, J, Liu, Z, Kalantar Zadeh, K and Li, Y 2017, 'A novel wireless gas sensor based on LTCC technology', Sensors and Actuators, B: Chemical, vol. 239, pp. 711-717.


Document type: Journal Article
Collection: Journal Articles

Title A novel wireless gas sensor based on LTCC technology
Author(s) Ma, M
Khan, H
Shan, W
Wang, Y
Ou, J
Liu, Z
Kalantar Zadeh, K
Li, Y
Year 2017
Journal name Sensors and Actuators, B: Chemical
Volume number 239
Start page 711
End page 717
Total pages 7
Publisher Elsevier BV
Abstract This work presents the development of a highly selective wireless NO 2 gas sensor based on a resonant antenna circuit using a low temperature co-fired ceramic (LTCC) technique. The wireless LTCC based gas sensor consists of a planar inductor-interdigital capacitor (LC) resonant antenna, which incorporates two dimensional (2D) SnS 2 nanoflakes as a model NO 2 gas selective material. The fabrication of the LTCC platform is fully described, a brief description on the characterization of the gas sensitive material is presented and eventually the operation of the system for the sensing of NO 2 gas is investigated. The response of the LTCC template was associated to the changes of its resistance and capacitance due to the alterations in the properties of 2D SnS 2 as a result of physical adsorption of NO 2 gas molecules onto its surface. The wireless gas sensing performance under different operating temperatures and NO 2 gas concentrations are presented. The obtained LC gas sensor is successfully used for the wireless sensing of NO 2 in the background of atmospheric gas at concentrations lower than 0.6 ppm. The developed technology has a great promise for establishing wireless gas sensors for harsh environments
Subject Optical Physics not elsewhere classified
Keyword(s) 2D SnS nanoflakes 2
LTCC technology
NO 2
Wireless gas sensor
DOI - identifier 10.1016/j.snb.2016.08.073
Copyright notice © 2016 Elsevier B.V. All rights reserved.
ISSN 0925-4005
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