Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.susc.2008.06.019
DC FieldValue
dc.titleThe dissociative adsorption of unsaturated alcohols on Si(1 1 1)-7×7
dc.contributor.authorTang, H.H.
dc.contributor.authorDai, Y.J.
dc.contributor.authorShao, Y.X.
dc.contributor.authorNing, Y.S.
dc.contributor.authorHuang, J.Y.
dc.contributor.authorLai, Y.H.
dc.contributor.authorPeng, B.
dc.contributor.authorHuang, W.
dc.contributor.authorXu, G.Q.
dc.date.accessioned2014-10-16T08:45:14Z
dc.date.available2014-10-16T08:45:14Z
dc.date.issued2008-08-01
dc.identifier.citationTang, H.H., Dai, Y.J., Shao, Y.X., Ning, Y.S., Huang, J.Y., Lai, Y.H., Peng, B., Huang, W., Xu, G.Q. (2008-08-01). The dissociative adsorption of unsaturated alcohols on Si(1 1 1)-7×7. Surface Science 602 (15) : 2647-2657. ScholarBank@NUS Repository. https://doi.org/10.1016/j.susc.2008.06.019
dc.identifier.issn00396028
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/95221
dc.description.abstractHigh-resolution electron energy loss spectroscopy (HREELS), X-ray photoelectron spectroscopy (XPS) and density functional theory (DFT) calculations were used to investigate the attachment of allyl and propargyl alcohols on Si(1 1 1)-7×7 under ultra-high vacuum conditions. The HREELS spectra of chemisorbed allyl alcohol (AA) show the concurrent appearance of characteristic stretching vibrations of Si-H (2104 cm-1) and Si-O (795 cm-1) coupled with the retention of vibrational features of C{double bond, long}C stretching (1657 cm-1) and (sp2)C-H stretching (3012 and 3102 cm-1). These results clearly demonstrate the dissociative reaction nature via the hydroxyl group for the chemisorption of AA on Si(1 1 1)-7×7, which was further supported by XPS and DFT studies. A similar reaction pathway was found for propargyl alcohol (PA) adsorbed on the same Si(1 1 1)-7×7 surface. Our studies suggest that OH dissociation is highly favorable compared to [2+2]-like cycloadditions via C{double bond, long}C/C{triple bond, long}C for organic reactions on silicon surfaces, which may be explained by the large spatial separation between the adjacent adatom-rest atom pair on Si(1 1 1)-7×7. © 2008 Elsevier B.V. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.susc.2008.06.019
dc.sourceScopus
dc.subjectAlcohols
dc.subjectChemisorption
dc.subjectDensity functional calculations
dc.subjectElectron energy loss spectroscopy (EELS)
dc.subjectPhysical adsorption
dc.subjectSilicon
dc.subjectSurface chemical reaction
dc.subjectX-ray photoelectron spectroscopy
dc.typeArticle
dc.contributor.departmentCHEMISTRY
dc.description.doi10.1016/j.susc.2008.06.019
dc.description.sourcetitleSurface Science
dc.description.volume602
dc.description.issue15
dc.description.page2647-2657
dc.description.codenSUSCA
dc.identifier.isiut000259341300006
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