Odor sensor using quartz crystal microbalance coated with molecular recognition membrane

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Quartz crystal microbalance (QCM) gas sensor coated with thin molecular recognition membrane using acrylic acid, methacrylic acid or stylene are prepared using plasma-polymerized chemical vapor deposition (CVD)method. The sensor coated with acrylic acid thin film as the molecular recognition membrane exhibits an excellent selectivity and a high sensitivity for ammonia and amine gases. The effect of the functional groups on the sensor characteristics is also investigated.

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Journal: TechConnect Briefs
Volume: 3, Technical Proceedings of the 2006 NSTI Nanotechnology Conference and Trade Show, Volume 3
Published: May 7, 2006
Pages: 475 - 478
Industry sector: Sensors, MEMS, Electronics
Topic: Sensors - Chemical, Physical & Bio
ISBN: 0-9767985-8-1