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Issue 48, 2008
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The interface structure of n-alkylthiolate self-assembled monolayers on coinage metal surfaces

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Abstract

The current state of understanding of the structure of the metal/thiolate interface of n-alkylthiolate ‘self-assembled monolayers’ (SAMs) on Cu(111), Ag(111) and Au(111) is reviewed. On Cu(111) and Ag(111) there is now clear evidence that adsorbate-induced reconstruction of the outermost metal layer occurs to a less atomically-dense structure, with the S head-group atom bonded to four-fold and three-fold coordinated hollow sites, respectively, and that intermolecular interaction plays some role in the periodicity of the resulting SAMs. On the far more heavily-studied Au(111) surface, the detailed interface structure remains controversial, but there is growing evidence for the role of Au-adatom-thiolate moieties in the layer ordering.

Graphical abstract: The interface structure of n-alkylthiolate self-assembled monolayers on coinage metal surfaces

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Publication details

The article was received on 12 Aug 2008, accepted on 23 Sep 2008 and first published on 23 Oct 2008


Article type: Perspective
DOI: 10.1039/B813948B
Phys. Chem. Chem. Phys., 2008,10, 7211-7221

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    The interface structure of n-alkylthiolate self-assembled monolayers on coinage metal surfaces

    D. P. Woodruff, Phys. Chem. Chem. Phys., 2008, 10, 7211
    DOI: 10.1039/B813948B

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