Publication: Inkjet printing of chemiresistive sensors for the detection of volatile organic compounds
Issued Date
2012-12-01
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2-s2.0-84875758437
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Mahidol University
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SCOPUS
Bibliographic Citation
International Conference on Digital Printing Technologies. (2012), 564-567
Suggested Citation
P. Lorwongtragool, E. Sowade, J. Hammerschmidt, T. Kerdcharoen, R. R. Baumann Inkjet printing of chemiresistive sensors for the detection of volatile organic compounds. International Conference on Digital Printing Technologies. (2012), 564-567. Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/14025
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Title
Inkjet printing of chemiresistive sensors for the detection of volatile organic compounds
Abstract
We report about inkjet printing of chemiresistive sensors for the detection of volatile organic compounds (VOCs). The sensor comprises three fully inkjet-printed layers of (i) silver interdigitated electrodes (IDE), (ii) multi-walled carbon nanotubes (MWCNTs) and (iii) poly (styrene-co-maleic acid) partial isobutyl/methyl mixed ester (PSE) deposited on glass and polymer substrates. A composite-like structure of PSE and MWCNTs could be obtained by applying optimized printing parameters. Thus, this layer can act as chemiresistive vapor sensor due to the change of electrical resistance in presence of selected VOCs. We have studied the response of the sensors to various VOCs and different vapor concentrations of the VOCs. To investigate the morphology and the properties of the inkjet-printed thin films, profilometry and scanning electron microscopy (SEM) as well as electrical measurements were employed. ©2012 Society for Imaging Science and Technology.