Species formed after NO adsorption and NO + O2 co-adsorption on TiO2: an FTIR spectroscopic study

Hadjiivanov, Konstantin; Knözinger, Helmut

doi:10.1039/b002065f

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Species formed after NO adsorption and NO + O2 co-adsorption on TiO2: an FTIR spectroscopic study

Published in Physical Chemistry Chemical Physics • Jan 1, 2000

Authors:

Konstantin Hadjiivanov

Helmut Knözinger

Abstract

Adsorption of NO and its co-adsorption with oxygen on TiO2 (Degussa P-25) were studied by FTIR spectroscopy. It was found that NO adsorption results in its disproportionation to NO− (1170 cm−1), N2O22− (1335 cm−1) and nitrates (1650–1550 and 1240–1220 cm−1). The nitrate bands develop with time and c...

Subject

Adsorption

Disproportionation

Fourier transform infrared spectroscopy

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