Kinetic studies of BTEX vapour adsorption onto surfaces of calix-4-resorcinarene films

HASSAN, A. K., RAY, A. K., NABOK, A. V. and WILKOP, T. (2001). Kinetic studies of BTEX vapour adsorption onto surfaces of calix-4-resorcinarene films. Applied Surface Science, 182 (1-2), 49-54.

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Link to published version:: 10.1016/S0169-4332(01)00435-4

Abstract

The exposure of spun films of an amphiphilic calix-4-resorcinarene (C-4-RA) derivative to vapours of benzene, toluene, ethylbenzene, and m-xylene (BTEX) has produced a graded response, promising for the development of multisensor arrays. Fast and reversible adsorption of ethylbenzene was associated with changing the refractive index of the sensing layer and is believed to be due to the host-guest interaction between the cavitand C-4-RA molecules and the vapour molecules. Prolonged irradiation of the films with a focused laser beam has resulted in an initial increase of film sensitivity to the different organic vapours. (C) 2001 Elsevier Science B.V. All rights reserved.

Item Type: Article
Research Institute, Centre or Group: Materials and Engineering Research Institute > Thin Films Research Centre > Electronic Materials and Sensors Research Group
Identification Number: 10.1016/S0169-4332(01)00435-4
Depositing User: Ann Betterton
Date Deposited: 20 Apr 2010 11:29
Last Modified: 20 Apr 2010 11:29
URI: http://shura.shu.ac.uk/id/eprint/1408

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