Read e-book online Chemisorption and Reactivity on Supported Clusters and Thin PDF

By R. M. Lambert (auth.), Richard M. Lambert, Gianfranco Pacchioni (eds.)

ISBN-10: 9048148073

ISBN-13: 9789048148073

ISBN-10: 9401589119

ISBN-13: 9789401589116

Heterogeneous catalysis offers the spine of the world's chemical and oil industries. The innate complexity of functional catalytic structures means that important growth will be conceivable by means of investigating key features of catalysis through experimental stories on idealised version platforms. skinny movies and supported clusters are promising kinds of version method that may be used for this goal, in view that they mimic very important facets of the houses of useful dispersed catalysts. equally, applicable theoretical reports of chemisorption and floor response clusters or prolonged slab platforms provides necessary info at the elements that underlie bonding and catalytic job. This quantity describes such experimental and theoretical methods to the outside chemistry and catalytic behaviour of metals, steel oxides and metal/metal oxide platforms.
An creation to the foundations and major issues of heterogeneous catalysis is by way of unique debts of the applying of contemporary experimental and theoretical ideas to basic difficulties. the applying of complex experimental tools is complemented by way of a whole description of theoretical strategies, together with Hartree-Fock, density useful and comparable recommendations. The relative benefits of a number of the methods are thought of and instructions for destiny development are indicated.

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Additional info for Chemisorption and Reactivity on Supported Clusters and Thin Films: Towards an Understanding of Microscopic Processes in Catalysis

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The results from the XPS and HREELS studies reveal electronic and vibrational structure that is very similar to bulk MgO [37-38]. HREELS spectra acquired at 80K for a 20 ML thick MgO(lOO) film supported on Mo(100) are presented in Figure 6. 9 eVoptical band gap associated with bulk MgO [43]. This feature has been assigned to a surface related interband transition originating with surface atoms of five-fold coordination. Henrich et al. have demonstrated that lowering the primary electron beam energy and increasing the angle of incidence enhances the intensity of this transition, consistent with the feature originating in the near surface region [44].

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1987,91,3310. 50 Sanchez, M. ; Gazquez, J. L. J. Catal. 1987, 104, 120. 51 Shyu, J. ; Wallins, W. ; Graham, G. ; Belitz, R. ; Ghandi, H. S. J. Catal. 1988, 114,23. 52 Hicks, R. ; Pang, B. Lett. 1990,6,271. 53 Syhu, J. ; Otto, K. J. Calal. 1989,115, 16. 54 Yao, Y. F. J. Catal. 1984,87, 152. 55 Sayle, T. X. ; Catlow, C. R. ; Parker S. C. (1994)Suiface Science 316,329. J. (1995) Applied Catalysis B: Environmental 5,367. M. Schmid G. and West, H. (1995) Journal Of Physical Chemistry 99 6096. M. (1996) Journal 0/ Physical Chemistry 100 2189.

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Chemisorption and Reactivity on Supported Clusters and Thin Films: Towards an Understanding of Microscopic Processes in Catalysis by R. M. Lambert (auth.), Richard M. Lambert, Gianfranco Pacchioni (eds.)

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