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

Titelangaben

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. Bd. 113 (2006) Heft 2 . - S. 677-683.
ISSN 0925-4005
DOI: https://doi.org/10.1016/j.snb.2005.07.018

Abstract

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.

Weitere Angaben

Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Keywords: Surface acoustic wave resonator; atomic force microscopy; aromatic and halogenated hydrocarbons; monolayers; calixarenes
Institutionen der Universität: Fakultäten > Fakultät für Ingenieurwissenschaften
Fakultäten > Fakultät für Ingenieurwissenschaften > Lehrstuhl Mess- und Regeltechnik
Fakultäten > Fakultät für Ingenieurwissenschaften > Lehrstuhl Mess- und Regeltechnik > Lehrstuhl Mess- und Regeltechnik - Univ.-Prof. Dr.-Ing. Gerhard Fischerauer
Fakultäten
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften
Eingestellt am: 22 Feb 2016 07:01
Letzte Änderung: 05 Okt 2023 07:01
URI: https://eref.uni-bayreuth.de/id/eprint/31087