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Thick-film sensors for electrochemical detection of species in aqueous solutions

By Daniel Martynek

Abstract

This work deals with the theory, principles and characteristics of electrochemical sensors, thick-film technology and electrodes used in electrochemistry. Methods for the detection of substances matters in solutions are discussed here. Main emphasis is given to differential pulse voltammetry and the influence of the method setup parameters to the measurement results. Experimentally, the work deals with the modification of thick-film working electrode with carbon nanotubes and subsequent activation of the electrode by nitric acid to increase the detection limit and the current response to selected heavy metals ions. Finally, the obtained results are compared with special commercial paste and discussed with the data state in literature

Topics: Voltammetry; Voltametrie; Electrodes Activation.; Senzor; Tlustovrstvá technologie; Screen-Printed Electrode; Trace Analysis; Carbon Nanotubes; Tištěná elektroda; Stopová analýza; Aktivace elektrod.; Sensor; Thick-film Technology; Uhlíkové nanotrubice
Publisher: Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií
Year: 2010
OAI identifier: oai:invenio.nusl.cz:235145
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