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High-throughput experimentation in resistive gas sensor materials development

Published online by Cambridge University Press:  22 November 2012

Clemens J. Belle  and
Ulrich Simon
Clemens J. Belle
Affiliation:
Institute of Inorganic Chemistry, RWTH Aachen University, 52074 Aachen, Germany; and JARA-Fundamentals of Future Information Technologies, 52074 Aachen, Germany
Ulrich Simon*
Affiliation:
Institute of Inorganic Chemistry, RWTH Aachen University, 52074 Aachen, Germany; and JARA-Fundamentals of Future Information Technologies, 52074 Aachen, Germany
*
a)Address all correspondence to this author. e-mail: ulrich.simon@ac.rwth-aachen.de
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Abstract

The review describes the workflow of a high-throughput screening process for the rapid identification of new and improved gas sensor materials. Multiple nanoparticulate metal oxides were synthesized via the polyol method, and material diversity was achieved by volume and/or surface doping. The resulting materials were applied as thick films on multielectrode substrates to serve as chemiresistors. This high-throughput approach including automated preparation, complex impedance measurements, and evaluation procedures enables reproducible measurements and their visual representation. Selected examples demonstrate the state of the art for applying high-throughput impedance spectroscopy in search of new sensitive and selective gas sensing materials as well as in analyzing structure–property relations.

Keywords

chemical compositionelectrical propertiessensor
Type
Invited Feature Paper
Information
Journal of Materials Research , Volume 28 , Issue 4 , 28 February 2013 , pp. 574 - 588
Copyright
Copyright © Materials Research Society 2012

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References

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