Spun films of novel calix 4 resorcinarene derivatives for benzene vapour sensing

HASSAN, A. K., RAY, A. K., NABOK, A. V. and DAVIS, F. (2001). Spun films of novel calix 4 resorcinarene derivatives for benzene vapour sensing. Sensors and Actuators B Chemical, 77 (3), 638-641.

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Link to published version:: https://doi.org/10.1016/S0925-4005(01)00777-8
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    Abstract

    Surface plasmon resonance (SPR) experiments have been performed on spin-coated thin films of novel calix[4]resorcinarene derivatives having four ate-dye substituting groups for the detection of benzene vapour at low concentrations. The films are produced by spinning a carefully prepared solution of calix[4]resorcinarene in chloroform at 2000 rpm and found to be 12 nm thick. Exposure to benzene vapour has resulted in a fast and reversible adsorption, with a typical response time of a few seconds. The mechanism of vapour adsorption onto the spun films is considered to be due to a host-guest interaction between the organic vapour molecules and the azo-calixresorcinarene molecular cavity. The response is found to be linearly dependent on benzene vapour concentration up to 400 ppm. (C) 2001 Elsevier Science B.V. All rights reserved.

    Item Type: Article
    Research Institute, Centre or Group - Does NOT include content added after October 2018: Materials and Engineering Research Institute > Thin Films Research Centre > Electronic Materials and Sensors Research Group
    Identification Number: https://doi.org/10.1016/S0925-4005(01)00777-8
    Page Range: 638-641
    Depositing User: Ann Betterton
    Date Deposited: 19 Apr 2010 16:09
    Last Modified: 18 Mar 2021 21:30
    URI: http://shura.shu.ac.uk/id/eprint/1406

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