Please use this identifier to cite or link to this item: https://doi.org/10.1021/la035900i
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dc.titleSi-C(N) σ Linkages and N → Si Dative Bonding at Pyridine/Si(111)-7 × 7
dc.contributor.authorTao, F.
dc.contributor.authorLai, Y.H.
dc.contributor.authorXu, G.Q.
dc.date.accessioned2014-10-16T08:40:14Z
dc.date.available2014-10-16T08:40:14Z
dc.date.issued2004-01-20
dc.identifier.citationTao, F., Lai, Y.H., Xu, G.Q. (2004-01-20). Si-C(N) σ Linkages and N → Si Dative Bonding at Pyridine/Si(111)-7 × 7. Langmuir 20 (2) : 366-368. ScholarBank@NUS Repository. https://doi.org/10.1021/la035900i
dc.identifier.issn07437463
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/94802
dc.description.abstractWe experimentally demonstrated that pyridine/Si(111)-7×7 can act as an electron donor/acceptor pair as a result of the charge transfer from the electron-rich N atom of pyridine to the electron-deficient adatom of the Si surface, evidenced by the upshift of 1.8 eV (state A) for the N(1s) core level upon the formation of a datively bonded complex compared to physisorbed molecules. Another state (B) whose N(1s) binding energy downshifts by 1.2 eV was assigned to an adduct through Si-C and Si-N covalent linkages, formed via a [4 + 2]-like addition mechanism on Si(111)-7 × 7. Binding molecules through the formation of the dative bond resulted from significant electron transfer opens a new approach for the creation of Si-based molecular architectures and modification of semiconductor interfacial properties with unsaturated organic molecules.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1021/la035900i
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentCHEMISTRY
dc.description.doi10.1021/la035900i
dc.description.sourcetitleLangmuir
dc.description.volume20
dc.description.issue2
dc.description.page366-368
dc.description.codenLANGD
dc.identifier.isiut000188220600016
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