Please use this identifier to cite or link to this item: https://doi.org/10.1021/ja061741o
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dc.titleConfiguration-dependent interface charge transfer at a molecule-metal junction
dc.contributor.authorWang, L.
dc.contributor.authorLiu, L.
dc.contributor.authorChen, W.
dc.contributor.authorFeng, Y.
dc.contributor.authorWee, A.T.S.
dc.date.accessioned2014-12-12T07:10:20Z
dc.date.available2014-12-12T07:10:20Z
dc.date.issued2006-06-21
dc.identifier.citationWang, L., Liu, L., Chen, W., Feng, Y., Wee, A.T.S. (2006-06-21). Configuration-dependent interface charge transfer at a molecule-metal junction. Journal of the American Chemical Society 128 (24) : 8003-8007. ScholarBank@NUS Repository. https://doi.org/10.1021/ja061741o
dc.identifier.issn00027863
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/115041
dc.description.abstractThe role of the molecule-metal interface is a key issue in molecular electronics. Interface charge transfer processes for 4-fluorobenzenethiol monolayers with different molecular orientations on Au(111) were studied by resonant photoemission spectroscopy. The electrons excited into the LUMO or LUMO+1 are strongly localized for the molecules standing up on Au(111). In contrast, an ultrafast charge transfer process was observed for the molecules lying down on Au(111). This configuration-dependent ultrafast electron transfer is dominated by an adiabatic mechanism and directly reflects the delocalization of the molecular orbitals for molecules lying down on Au(111). Theoretical calculations confirm that the molecular orbitals indeed experience a localization-delocalization transition resulting from hybridization between the molecular orbitals and metal surface. Such an orientation-dependent transition could be harnessed in molecular devices that switch via charge transfer when the molecular orientation is made to change. © 2006 American Chemical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1021/ja061741o
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.contributor.departmentNUS NANOSCIENCE & NANOTECH INITIATIVE
dc.description.doi10.1021/ja061741o
dc.description.sourcetitleJournal of the American Chemical Society
dc.description.volume128
dc.description.issue24
dc.description.page8003-8007
dc.description.codenJACSA
dc.identifier.isiut000238258000056
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