Please use this identifier to cite or link to this item: https://doi.org/10.1021/jp0726337
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dc.titleWater-induced negative electron affinity on diamond (100)
dc.contributor.authorGao, X.
dc.contributor.authorLiu, L.
dc.contributor.authorQi, D.
dc.contributor.authorChen, S.
dc.contributor.authorWee, A.T.S.
dc.contributor.authorOuyang, T.
dc.contributor.authorLoh, K.P.
dc.contributor.authorYu, X.
dc.contributor.authorMoser, H.O.
dc.date.accessioned2014-05-19T02:56:17Z
dc.date.available2014-05-19T02:56:17Z
dc.date.issued2008-02-21
dc.identifier.citationGao, X., Liu, L., Qi, D., Chen, S., Wee, A.T.S., Ouyang, T., Loh, K.P., Yu, X., Moser, H.O. (2008-02-21). Water-induced negative electron affinity on diamond (100). Journal of Physical Chemistry C 112 (7) : 2487-2491. ScholarBank@NUS Repository. https://doi.org/10.1021/jp0726337
dc.identifier.issn19327447
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/53257
dc.description.abstractThe interaction of water vapor on clean diamond (100) has been studied using ultraviolet photoemission spectroscopy (UPS), X-ray photoemission spectroscopy (XPS), X-ray-absorption near-edge structure (XANES) spectroscopy, and high-resolution electron energy loss spectroscopy (HREELS). It is shown that water dissociates at room temperature on clean diamond forming C-H and C-OH bonds, resulting in a surface dipole layer which produces the condition of negative electron affinity (NEA). The strong polarization dependence of the O K XANES could be associated with the out-of-plane orientation of the OH bonds. Density functional theory (DFT) calculations confirm the existence of NEA on this surface with a mixture of hydrogen and hydroxyl (OH) terminations. © 2008 American Chemical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1021/jp0726337
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.contributor.departmentSINGAPORE SYNCHROTRON LIGHT SOURCE
dc.contributor.departmentCHEMISTRY
dc.description.doi10.1021/jp0726337
dc.description.sourcetitleJournal of Physical Chemistry C
dc.description.volume112
dc.description.issue7
dc.description.page2487-2491
dc.identifier.isiut000253222200041
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