Please use this identifier to cite or link to this item: https://doi.org/10.1016/0039-6028(96)00761-3
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dc.titleThermal and photoinduced chemistry of Mo(CO)6 on clean and chemically modified Ru(001)
dc.contributor.authorHuang, H.H.
dc.contributor.authorSreekanth, C.S.
dc.contributor.authorSeet, C.S.
dc.contributor.authorJiang, X.
dc.contributor.authorXu, G.Q.
dc.date.accessioned2014-10-16T08:45:58Z
dc.date.available2014-10-16T08:45:58Z
dc.date.issued1996-10-01
dc.identifier.citationHuang, H.H., Sreekanth, C.S., Seet, C.S., Jiang, X., Xu, G.Q. (1996-10-01). Thermal and photoinduced chemistry of Mo(CO)6 on clean and chemically modified Ru(001). Surface Science 365 (3) : 769-778. ScholarBank@NUS Repository. https://doi.org/10.1016/0039-6028(96)00761-3
dc.identifier.issn00396028
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/95280
dc.description.abstractThe thermal and photoinduced desorption and decomposition of Mo(CO)6 were studied on the clean and chemically modified Ru(001) surfaces. Mo(CO)6 adsorbs dissociatively on the clean Ru(001) forming CO and Mo(CO)x fragments. The first and second monolayers of molecularly adsorbed Mo(CO)6 desorb at 215 and 210 K, respectively. Chemical modifications of the surface with O-and S-adatoms strongly influence the adsorption of Mo(CO)6 by both stabilizing the first molecular layer of Mo(CO)6 and by suppressing the decomposition. Photochemical studies were conducted for one monolayer of molecular Mo(CO)6 adsorbed on the clean as well as the O-and CO-saturated Ru(001) surfaces by UV irradiation at various wavelengths (290-390 nm). Both photodesorption and photodecomposition through the direct UV absorption by the adsorbed Mo(CO)6 molecule were observed. However, the extent of photodecomposition was considerably enhanced on the CO-presaturated surface in comparison to the clean Ru(001). This is probably due to the decrease in the quenching of electronically excited Mo(CO)6 by the presence of a layer of adsorbed CO on the surface.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/0039-6028(96)00761-3
dc.sourceScopus
dc.subjectLow index single crystal surfaces
dc.subjectMolybdenumhexacarbonyl
dc.subjectRuthenium
dc.subjectSurface photochemistry
dc.subjectThermal desorption spectroscopy
dc.typeArticle
dc.contributor.departmentCHEMISTRY
dc.description.doi10.1016/0039-6028(96)00761-3
dc.description.sourcetitleSurface Science
dc.description.volume365
dc.description.issue3
dc.description.page769-778
dc.description.codenSUSCA
dc.identifier.isiutA1996VH12000021
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