Interfacial properties and the response of the thickness-shear-mode acoustic wave sensor in liquids

Langmuir ◽  
1993 ◽  
Vol 9 (3) ◽  
pp. 802-811 ◽  
Author(s):  
Mengsu Yang ◽  
Michael Thompson ◽  
Wendy C. Duncan-Hewitt
1995 ◽  
Vol 73 (9) ◽  
pp. 1427-1435 ◽  
Author(s):  
Zhiping Deng ◽  
David C. Stone ◽  
Michael Thompson

Poly N-(2-cyanoethyl)pyrrole films have been synthesized by electrochemical polymerization and characterized by cyclic voltammetry, scanning electron microscopy, and X-ray photoelectron spectroscopy. Polymeric coatings prepared on the surface of a thickness-shear-mode acoustic wave sensor have been used to examine response selectivity to a number of gas-phase probe molecules. The responses of the poly N-(2-cyanoethyl)pyrrole based sensor are compared with the parent polypyrrole device and rationalized in terms of the molecular interactions between probes and polymer films. The polar cyano functionality enhances interactions with analytes such as acetonitrile. Keywords: gas sensor, thickness-shear-mode acoustic wave sensor, poly N-(2-cyanoethyl)pyrrole film, polypyrrole film, conducting polymer.


1994 ◽  
Vol 66 (21) ◽  
pp. 3569-3574 ◽  
Author(s):  
Loiec. Tessier ◽  
Frederic. Patat ◽  
Nathalie. Schmitt ◽  
Guy. Feuillard ◽  
Michael. Thompson

Langmuir ◽  
2001 ◽  
Vol 17 (8) ◽  
pp. 2521-2527 ◽  
Author(s):  
Shannon L. Snellings ◽  
Jason Fuller ◽  
David W. Paul

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