The surface structure and morphology of Pt catalysts supported on various oxides were studied by HREM profile imaging. An unstable Ti oxide overlayer and a stable crystalline monolayer on TiO2 supported Pt particles were observed after HTR at 923K. The overlayers could explain the SMSI in Pt/TiO2.
|Original language||English (US)|
|Number of pages||3|
|Journal||Zeitschrift für Physik D Atoms, Molecules and Clusters|
|Issue number||1 Supplement|
|State||Published - Mar 1 1993|
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics