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School of Engineering and Computing Sciences (ECS)

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Publication details for Professor Mike Petty

Mabrook, MF, Pearson, C & Petty, MC (2005). An inkjet-printed chemical fuse. Applied Physics Letters 86(1): 013507-013510.

Author(s) from Durham

Abstract

Inkjet printing of the conductive polymer poly(3,4-ethylene dioxythiophene) doped with polystyrene sulfonated acid has been used as the basis for a sensor for organic vapors. The electrical resistance of the film was monitored as it was exposed to atmospheres containing alcohol. Ultrathin films exhibited a sharp and nonreversible increase in their resistance. This resulted from a change in the morphology of the organic layer, thereby disrupting the current flow through the polymer. An intended application for these inkjet-printed devices is in disposable handheld instruments to monitor the presence of organic vapors above a threshold level.

References

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M. F. Mabrook, C. Pearson, and M. C. Petty, Chemical sensors, UK patent application 0418945.2 (2004).

S. Spagnoletti, Alcolock car breathalyzer (http://transportation.engadget.com/entry/1127914145745557/, 24 Aug. 2004).

Notes

Copyright (2005) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in (Mabrook, M. F. and Pearson, C. and Petty, M. C. (2005) An inkjet-printed chemical fuse. Applied physics letters., 86 (1). ISSN 0003-6951) and may be found at (http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=APPLAB000086000001013507000001&idtype=cvips&gifs=Yes).