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Monitoring Gas Sensors at Work: Operando Raman-FTIR Study of Ethanol Detection by Indium Oxide

Sänze, Sandra ; Gurlo, Aleksander ; Hess, Christian (2013):
Monitoring Gas Sensors at Work: Operando Raman-FTIR Study of Ethanol Detection by Indium Oxide.
In: Angewandte Chemie International Edition, 52 (13), pp. 3607-3610. WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, ISSN 14337851,
[Article]

Abstract

Gas sensors at work: The mode of operation of metal-oxide gas sensors can be studied by simultaneous measurement of the sensor response, adsorbates, changes in the metal-oxide material, and gas-phase composition by operando Raman–FTIR spectroscopy. Depending on the gas environment and temperature, for EtOH sensing by In2O3, a correlation has been found between the sensor signal, presence of adsorbates, oxidation state of the sensor material, and intensity of surface hydroxy groups.

Item Type: Article
Erschienen: 2013
Creators: Sänze, Sandra ; Gurlo, Aleksander ; Hess, Christian
Title: Monitoring Gas Sensors at Work: Operando Raman-FTIR Study of Ethanol Detection by Indium Oxide
Language: English
Abstract:

Gas sensors at work: The mode of operation of metal-oxide gas sensors can be studied by simultaneous measurement of the sensor response, adsorbates, changes in the metal-oxide material, and gas-phase composition by operando Raman–FTIR spectroscopy. Depending on the gas environment and temperature, for EtOH sensing by In2O3, a correlation has been found between the sensor signal, presence of adsorbates, oxidation state of the sensor material, and intensity of surface hydroxy groups.

Journal or Publication Title: Angewandte Chemie International Edition
Volume of the journal: 52
Issue Number: 13
Publisher: WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Uncontrolled Keywords: gas sensors, indium oxide, operando study, Raman spectroscopy, surface chemistry
Divisions: 11 Department of Materials and Earth Sciences
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences > Material Science > Dispersive Solids
07 Department of Chemistry
07 Department of Chemistry > Fachgebiet Anorganische Chemie
07 Department of Chemistry > Physical Chemistry
Date Deposited: 04 Feb 2014 09:15
URL / URN: http://dx.doi.org/10.1002/anie.201207258
Identification Number: doi:10.1002/anie.201207258
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