Selective impedance based gas sensors for hydrocarbons using ZSM-5 zeolite films with chromium(III)oxide interface

Highly sensitive and selective hydrocarbon gas sensors were obtained by covering gold interdigital capacitor (IDC) electrodes with platinum-doped Na-ZSM-5 zeolite thick films. A chromium(III) oxide layer between gold and zeolite is responsible for the new outstanding sensor effect. Such Au/Cr 2O 3/z...

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Veröffentlicht in:	Sensors and actuators. B, Chemical Chemical, 2006-12, Vol.119 (2), p.441-448
Hauptverfasser:	Hagen, G., Dubbe, A., Rettig, F., Jerger, A., Birkhofer, Th, Müller, R., Plog, C., Moos, R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Chromium Chromium oxides Chromium(III) oxide Electrodes Exhaust gas sensor Gas sensors Gold Hydrocarbons Impedance Interdigital capacitor On-Board-Diagnostic Zeolite Zeolites
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