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Covalently anchored supramolecular monolayers on quartz surfaces for use in SAW sensors

Title data

Lieberzeit, Peter A. ; Greibl, Wolfgang ; Stathopulos, Helen ; Dickert, Franz L. ; Fischerauer, Gerhard ; Bulst, Wolf-Eckhart:
Covalently anchored supramolecular monolayers on quartz surfaces for use in SAW sensors.
In: Sensors and Actuators B: Chemical. Vol. 113 (28 February 2006) Issue 2 . - pp. 677-683.
ISSN 0925-4005
DOI: https://doi.org/10.1016/j.snb.2005.07.018

Abstract in another language

Anchoring alkyl silane monolayers on quartz surfaces and consecutive derivatization steps, e.g. the addition of silanes and the immobilisation of calix[n]arenes, were studied by FTIR–HATR-spectroscopy and atomic force microscopy. The entire technique of this two-dimensional chemistry was adapted to meet the favourable sensitivity of mass-sensitive SAW-devices based on ST-cut quartz substrates and gold interdigital electrodes working at 417 MHz. It leads to the successful detection of vapours, aromatic and halogenated hydrocarbons such as xylenes, toluene and tetrachloroethylene with the immobilised calix[4]- and calix[6]arenes. The sensors react to analyte changes within a few seconds and show a noise level that allows detection limits as low as a few part per million for xylenes.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: Surface acoustic wave resonator; atomic force microscopy; aromatic and halogenated hydrocarbons; monolayers; calixarenes
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Measurement and Control Technology
Faculties > Faculty of Engineering Science > Chair Measurement and Control Technology > Chair Measurement and Control Technology - Univ.-Prof. Dr.-Ing. Gerhard Fischerauer
Faculties
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 22 Feb 2016 07:01
Last Modified: 22 Feb 2016 07:01
URI: https://eref.uni-bayreuth.de/id/eprint/31087