SAW Sensors for Chemical Vapors and Gases

Devkota, Jagannath; Ohodnicki, Paul R.; Greve, David W.

doi:10.3390/s17040801

SAW Sensors for Chemical Vapors and Gases

Journal Article · Sat Apr 08 00:00:00 EDT 2017 · Sensors

DOI:https://doi.org/10.3390/s17040801· OSTI ID:1393415

Devkota, Jagannath ^[1]; Ohodnicki, Paul R. ^[1]; Greve, David W. ^[1]

National Energy Technology Lab. (NETL), Pittsburgh, PA, (United States); Carnegie Mellon Univ., Pittsburgh, PA (United States)

Here, surface acoustic wave (SAW) technology provides a sensitive platform for sensing chemicals in gaseous and fluidic states with the inherent advantages of passive and wireless operation. In this review, we provide a general overview on the fundamental aspects and some major advances of Rayleigh wave-based SAW sensors in sensing chemicals in a gaseous phase. In particular, we review the progress in general understanding of the SAW chemical sensing mechanism, optimization of the sensor characteristics, and the development of the sensors operational at different conditions. Based on previous publications, we suggest some appropriate sensing approaches for particular applications and identify new opportunities and needs for additional research in this area moving into the future.

View Accepted Manuscript (DOE)

Research Organization:: National Energy Technology Lab. (NETL), Pittsburgh, PA, (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: FE0004000

OSTI ID:: 1393415

Alternate ID(s):: OSTI ID: 1393414

Report Number(s):: A-UNIV-PUB--136; PII: s17040801

Journal Information:: Sensors, Journal Name: Sensors Journal Issue: 4 Vol. 17; ISSN SENSC9; ISSN 1424-8220

Publisher:: MDPI AGCopyright Statement

Country of Publication:: United States

Language:: English

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New sensitive layers for surface acoustic wave gas sensors based on polymer and carbon nanotube composites Sayago, I.; Fernández, M. J.; Fontecha, J. L. Procedia Engineering, Vol. 25 https://doi.org/10.1016/j.proeng.2011.12.063	journal	January 2011
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Adsorption studies of carbowax coated surface acoustic wave (SAW) sensor for 2,4-dinitro toluene (DNT) vapour detection Kannan, G. K.; Nimal, A. T.; Mittal, U. Sensors and Actuators B: Chemical, Vol. 101, Issue 3 https://doi.org/10.1016/j.snb.2004.04.003	journal	July 2004
Development of handheld SAW vapor sensors for explosives and CW agents Nimal, A. T.; Mittal, Upendra; Singh, Mohan Sensors and Actuators B: Chemical, Vol. 135, Issue 2 https://doi.org/10.1016/j.snb.2008.08.040	journal	January 2009
A surface acoustic wave H2S gas sensor employing nanocrystalline SnO2 thin film Luo, Wei; Fu, Qiuyun; Zhou, Dongxiang Sensors and Actuators B: Chemical, Vol. 176 https://doi.org/10.1016/j.snb.2012.10.086	journal	January 2013
Effect of metal oxide sensing layers on the distinct detection of ammonia using surface acoustic wave (SAW) sensors Raj, V. Bhasker; Singh, Harpreet; Nimal, A. T. Sensors and Actuators B: Chemical, Vol. 187 https://doi.org/10.1016/j.snb.2013.04.063	journal	October 2013
Detection of ppb ozone using a dispersive surface acoustic wave reflective delay line with integrated reference signal Westafer, Ryan S.; Levitin, Galit; Hess, Dennis W. Sensors and Actuators B: Chemical, Vol. 192 https://doi.org/10.1016/j.snb.2013.10.104	journal	March 2014
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SAW Sensor Network Fabricated on a Polyvinylidine Difluoride (PVDF) Substrate for Dynamic Surface Profile Sensing Preethichandra, D. M. G.; Kaneto, Keiichi IEEE Sensors Journal, Vol. 7, Issue 5 https://doi.org/10.1109/JSEN.2007.894911	journal	May 2007
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High-temperature langasite SAW oxygen sensor No authors listed IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, Vol. 58, Issue 8 https://doi.org/10.1109/TUFFC.2011.1979	journal	August 2011
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