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Intrinsic catalytic structure of gold nanoparticles supported on TiO2
Yasufumi Kuwauchi1, Hideto Yoshida, Tomoki Akita
1The Institute of Scientific and Industrial Research, Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan.
Angewandte Chemie (International Ed. in English)
|June 26, 2012
Abstract:
Despite the fragility of TiO(2) under electron irradiation, the intrinsic structure of Au/TiO(2) catalysts can be observed by environmental transmission electron microscopy. Under reaction conditions (CO/air 100 Pa), the major {111} and {100} facets of the gold nanoparticles are exposed and the particles display a polygonal interface with the TiO(2) support bounded by sharp edges parallel to the 〈110〉 directions.
