A First Step Towards a Microfabricated Thin-Film Sensor Array on the Basis of Chalcogenide Glass MaterialsReport as inadecuate




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1

Department of Applied Physics, University of Applied Sciences Aachen, Ginsterweg 1, 52428 Jülich, Germany

2

Institute for Thin Films and Interfaces, Research Centre Jülich GmbH, 52425 Jülich, Germany

3

Department of Chemistry, St. Petersburg State University, Universitetskaya nab. 7-9, St. Petersburg 199034, Russia





*

Author to whom correspondence should be addressed.



Abstract A first step towards a microfabricated potentiometric thin-film sensor array for the simultaneous detection of Pb2+, Cd2+ and Cu2+ has been realized. The sensitive layers used are on the basis of chalcogenide glass materials. These thin-film chalcogenide glass materials that consist of mixtures of Pb-Ag-As-I-S, Cd-Ag-As-I-S or Cu-Ag-As-Se have been prepared by pulsed laser deposition technique. The developed sensor array has been physically characterized by means of scanning electron microscopy and Rutherford backscattering spectrometry. The electrochemical sensor characterization has been performend by potentiometric measurements. View Full-Text

Keywords: heavy metal detection; thin-film sensor array; chalcogenide glass material; microfabrication technique; pulsed laser deposition; potentiometry heavy metal detection; thin-film sensor array; chalcogenide glass material; microfabrication technique; pulsed laser deposition; potentiometry





Author: Joachim P. Kloock 1,2, Yulia G. Mourzina 1,3, Jürgen Schubert 1 and Michael J. Schöning 1,2,*

Source: http://mdpi.com/



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