 | Nanotech 2010 Vol. 3
Nanotechnology 2010: Bio Sensors, Instruments, Medical, Environment and Energy
Chapter 9: Water, Oil, Gas & Bio Energy |
The influence of surface termination on growth of cupper clusters | |
| Authors: | L. Xiao, J. Srinivasan, L. Subramanian |
| Affilation: | Accelrys, Inc, US |
| Pages: | 642 - 645 |
| Keywords: | Cu, alumina, catalyst, nanoparticle |
| Abstract: | Oxide supported transition metal catalysts are widely used in variety of heterogeneous catalytic processes. Knowledge of the interaction of metals with oxide surfaces provides insight into understanding a broad variety of properties of the catalysts. However, relatively little is known about the interfaces due to lack of experimental evidence. In our work, the interaction between cupper clusters and -alumina (0001) surface were studied using density functional theory. We report the most energetically preferred structures and adsorption sites for Cu clusters on the aluminum-terminated -alumina surface which is demonstrated as the most stable (0001) surface.[2] Little effort has been made to investigate the environmental effect on the adsorption of Cu clusters on the -alumina (0001) surface. We examined adsorption of Cu clusters on fully hydroxylated -alumina surface and compared the results with that of the “dry” surface. The Cu-alumina system may serve as a prototype interface to help us establish knowledge on growth pathway of supported metal clusters. |
| ISBN: | 978-1-4398-3415-2 |
| Pages: | 880 |
| Hardcopy: | $189.95 |
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