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Chemical sensors based on a high-k perovskite oxide of barium strontium titanate

  • High-k perovskite oxide of barium strontium titanate (BST) represents a very attractive multi-functional transducer material for the development of (bio-)chemical sensors for liquids. In this work, BST films have been applied as a sensitive transducer material for a label-free detection of adsorbed charged macromolecules (positively charged polyelectrolytes) and concentration of hydrogen peroxide vapor as well as protection insulator layer for a contactless electrolyte-conductivity sensor. The experimental results of characterization of individual sensors are presented. Special emphasis is devoted towards the development of a capacitively-coupled contactless electrolyte-conductivity sensor.

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Metadaten
Author:Christina Huck, Arshak PoghossianORCiD, Matthias Bäcker, Steffen Reisert, J. Schubert, W. Zander, V. K. Begoyan, V. V. Buniatyan, Michael Josef SchöningORCiD
DOI:https://doi.org/10.1016/j.proeng.2014.11.258
ISSN:1877-7058
Parent Title (English):Procedia Engineering
Publisher:Elsevier
Place of publication:Amsterdam
Document Type:Article
Language:English
Year of Completion:2014
Date of the Publication (Server):2015/01/09
Tag:barium strontium titanate; contactless conductivity sensor; high-k material; hydrogen peroxide; multi-functional material
Volume:87
First Page:28
Last Page:31
Note:
EUROSENSORS 2014 ; European Conference on Solid-State Transducers <28, 2014>
Link:https://doi.org/10.1016/j.proeng.2014.11.258
Zugriffsart:weltweit
Institutes:FH Aachen / Fachbereich Medizintechnik und Technomathematik
collections:Verlag / Elsevier
Open Access / Gold
Licence (German):License LogoCreative Commons - Namensnennung-Nicht kommerziell-Keine Bearbeitung