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Volumn 17, Issue 3, 2015, Pages 1530-1548

The interplay between interface structure, energy level alignment and chemical bonding strength at organic-metal interfaces

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EID: 84919797636     PISSN: 14639076     EISSN: None     Source Type: Journal    
DOI: 10.1039/c4cp04595e     Document Type: Review
Times cited : (110)

References (95)
  • 20
    • 84887236529 scopus 로고    scopus 로고
    • X-Ray standing waves and surfaces X-ray scattering studies of molecule-metal interface
    • ed. N. Koch, N. Ueno and A. T. S. Wee, John Wiley/VCH, Weinheim
    • A. Gerlach, C. Bürker, T. Hosokai and F. Schreiber, X-Ray standing waves and surfaces X-ray scattering studies of molecule-metal interface, in "The Molecule-Metal Interface", ed. N. Koch, N. Ueno and A. T. S. Wee, John Wiley/VCH, Weinheim, 2013.
    • (2013) The Molecule-Metal Interface
    • Gerlach, A.1    Bürker, C.2    Hosokai, T.3    Schreiber, F.4
  • 64
    • 84919828076 scopus 로고    scopus 로고
    • note
    • At this point we have to add the following side note: for the HB/Ag(100) film no structural data about the vertical adsorption height is available, so we do not know how the HB/Ag(100) film fits into the picture. However, on the basis of the orbital binding energies and the above mentioned link to the adsorption heights (Fig. 4), we would expect that the adsorption distance of PTCDA in the HB structure on Ag(110) is in between that of BW/Ag(110) and T/Ag(100). Indeed, from general considerations regarding interface structure it is plausible that the adsorption height at the HB/Ag(110) is larger than at the BW/Ag(110) interface, because (1) increased intermolecular interactions between neighboring molecules (as are present in the HB phase) often lead to an increased molecule-substrate distance (this is known, e.g., from the comparison of high- and low-temperature phase of PTCDA on Ag(111)); and (2), the loss of commensurability in going from the BW to the HB phase on Ag(110) also suggests a reduced molecule-substrate interaction and thus a larger adsorption height. Hence it appears as if the HB/Ag(110) film fits into the above mentioned tendency (i.e. orbital binding energy increases with adsorption height), if one remembers that here the effective reactivity of the surface is reduced by intermolecular interactions which enforce incommensurability.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.