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Activation of Oxygen on Gold/Alumina Catalysts: In Situ High‐Energy‐Resolution Fluorescence and Time‐Resolved X‐ray Spectroscopy
Author(s) -
van Bokhoven Jeroen A.,
Louis Catherine,
Miller Jeffrey T.,
Tromp Moniek,
Safonova Olga V.,
Glatzel Pieter
Publication year - 2006
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200601184
Subject(s) - catalysis , spectroscopy , oxygen , absorption spectroscopy , materials science , in situ , analytical chemistry (journal) , photochemistry , fluorescence spectroscopy , x ray absorption spectroscopy , x ray spectroscopy , chemistry , fluorescence , optics , organic chemistry , physics , quantum mechanics
Gold is not so inert after all! X‐ray absorption spectroscopy was used to probe the activation of O 2 and its reaction with CO over an Au/Al 2 O 3 catalyst. The catalytic activity of small gold particles in the oxidation of CO arises from their ability to transfer charge to oxygen (see picture).