FTIR study of CO and NO adsorption and coadsorption on a Cu/SiO2 catalyst: Probing the oxidation state of copper

Hadjiivanov, Konstantin; Knözinger, Helmut

doi:10.1039/b009649k

Public

FTIR study of CO and NO adsorption and coadsorption on a Cu/SiO2 catalyst: Probing the oxidation state of copper

Published in Physical Chemistry Chemical Physics • Jan 1, 2001

Authors:

Konstantin Hadjiivanov

Helmut Knözinger

Abstract

At room temperature CO is adsorbed strongly on Cu+ sites (band at 2131 cm−1) whereas NO is preferably adsorbed on Cu2+ sites (band at 1882 cm−1). Coadsorption of CO and NO allows simultaneous and selective detection of both kinds of cations. This observation is used to follow the changes on the samp...

Subject

Adsorption

Copper

Chemistry

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