Gold-Adatom-Mediated Bonding in Self-Assembled Short-Chain Alkanethiolate Species on the Au(111) Surface

Maksymovych, P; Sorescu, D C; Yates, Jr, J T

doi:10.1103/PhysRevLett.97.146103

Gold-Adatom-Mediated Bonding in Self-Assembled Short-Chain Alkanethiolate Species on the Au(111) Surface

Journal Article · Fri Oct 06 00:00:00 EDT 2006 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.97.146103· OSTI ID:910905

Maksymovych, P; Sorescu, D C; Yates, Jr, J T

Microscopic evidence for Au-adatom-induced self-assembly of alkanethiolate species on the Au(111) surface is presented. Based on STM measurements and density-functional theory calculations, a new model for the low-coverage self-assembled monolayer of alkanethiolate on the Au(111) surface is developed, which involves the adsorbate complexes incorporating Au adatoms. It is also concluded that the Au(111) herringbone reconstruction is lifted by the alkanethiolate self-assembly because the reconstructed surface layer provides reactive Au adatoms that drive self-assembly.

Research Organization:: National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV, and Albany, OR (United States)

Sponsoring Organization:: USDOE - Office of Fossil Energy (FE)

OSTI ID:: 910905

Report Number(s):: DOE/NETL-IR-2007-010; Journal Serial ID: ISSN 0031-9007 CODEN PRLTAO

Journal Information:: Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 14 Vol. 97

Publisher:: American Physical Society

Country of Publication:: United States

Language:: English

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