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Workflow for High Throughput Screening of Gas Sensing Materials
Institute of Inorganic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany
* Author to whom correspondence should be addressed.
Received: 29 July 2005; Accepted: 8 March 2006 / Published: 7 April 2006
Abstract: The workflow of a high throughput screening setup for the rapid identification ofnew and improved sensor materials is presented. The polyol method was applied to preparenanoparticular metal oxides as base materials, which were functionalised by surface doping.Using multi-electrode substrates and high throughput impedance spectroscopy (HT-IS) awide range of materials could be screened in a short time. Applying HT-IS in search of newselective gas sensing materials a NO2-tolerant NO sensing material with reducedsensitivities towards other test gases was identified based on iridium doped zinc oxide.Analogous behaviour was observed for iridium doped indium oxide.
Keywords: High throughput experimentation; gas sensor; metal oxide; doping; impedance spectroscopy; nitrogen oxides.
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Cite This Article
MDPI and ACS Style
Koplin, T.J.; Siemons, M.; Océn-Valéntin, C.; Sanders, D.; Simon, U. Workflow for High Throughput Screening of Gas Sensing Materials. Sensors 2006, 6, 298-307.
Koplin TJ, Siemons M, Océn-Valéntin C, Sanders D, Simon U. Workflow for High Throughput Screening of Gas Sensing Materials. Sensors. 2006; 6(4):298-307.
Koplin, Tobias J.; Siemons, Maike; Océn-Valéntin, César; Sanders, Daniel; Simon, Ulrich. 2006. "Workflow for High Throughput Screening of Gas Sensing Materials." Sensors 6, no. 4: 298-307.