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Please use this identifier to cite or link to this item: https://doi.org/10.1109/JSEN.2006.884169
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dc.titleFour-channel QCA using mesoporous silica films for gas sensing applications
dc.contributor.authorPalaniappan, A.
dc.contributor.authorSu, X.
dc.contributor.authorTay, F.E.H.
dc.date.accessioned2014-06-17T06:22:19Z
dc.date.available2014-06-17T06:22:19Z
dc.date.issued2006-12
dc.identifier.citationPalaniappan, A., Su, X., Tay, F.E.H. (2006-12). Four-channel QCA using mesoporous silica films for gas sensing applications. IEEE Sensors Journal 6 (6) : 1676-1682. ScholarBank@NUS Repository. https://doi.org/10.1109/JSEN.2006.884169
dc.identifier.issn1530437X
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/60361
dc.description.abstractA four-channel quartz crystal microbalance array (QCA) coated with silica hybrid films is tested as a gas sensor to identify and quantify target analytes. Plasma calcined mesoporous silica films have been used to form hybrids for gas sensing applications. Silica hybrids are obtained by incorporating various receptor molecules in the porous network through physiosorption and/or chemical bonding between the silica matrix and receptor molecules. Field-emission scanning electron microscopy, Fourier transform infrared spectroscopy, secondary ion mass spectroscopy, and nitrogen adsorption analysis are used to characterize the obtained films. The frequency interference between the individual quartz crystal microbalance in the QCA has been eliminated by appropriate positioning of the electrodes. It is concluded that the sensitivity and selectivity of the four-channel QCA could be enhanced by depositing plasma calcined mesoporous hybrids on the electrodes. © 2006 IEEE.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1109/JSEN.2006.884169
dc.sourceScopus
dc.subjectGas sensor
dc.subjectMesoporous silica film
dc.subjectMultichannel quartz crystal microbalance (QCM)
dc.subjectQuartz crystal array
dc.typeArticle
dc.contributor.departmentMECHANICAL ENGINEERING
dc.description.doi10.1109/JSEN.2006.884169
dc.description.sourcetitleIEEE Sensors Journal
dc.description.volume6
dc.description.issue6
dc.description.page1676-1682
dc.identifier.isiut000242389400044
Appears in Collections:Staff Publications

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