The interaction of nanocrystalline tin oxide and titanium oxide powders with NO2-containing atmosphere has been followed as a function of temperature by Raman spectroscopy. New bands appearing in the 800-1600 cm(-1) range have been observed and attributed to various adsorbates. The responsibility of adsorbed nitrites in the sensor resistance change is proposed. (C) 2006 Elsevier B.V. All rights reserved.
Interactions of nanocrystalline tin oxide powder with NO2: A Raman spectroscopic study
COMINI, Elisabetta;FAGLIA, Guido;
2007-01-01
Abstract
The interaction of nanocrystalline tin oxide and titanium oxide powders with NO2-containing atmosphere has been followed as a function of temperature by Raman spectroscopy. New bands appearing in the 800-1600 cm(-1) range have been observed and attributed to various adsorbates. The responsibility of adsorbed nitrites in the sensor resistance change is proposed. (C) 2006 Elsevier B.V. All rights reserved.File in questo prodotto:
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Interactions of nanocrystalline tin oxide powder with NO2 A Raman spectroscopic study.pdf
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