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Title:

Size-Selected Monodisperse Nanoclusters on Supported Graphene: Bonding, Isomerism, and Mobility

Author(s):
Wang, Bo; Yoon, Bokwon; Koenig, Michael; Fukamori, Yves; Esch, Friedrich; Heiz, Ueli; Landman, Uzi
Abstract:
Soft-landing of size-selected Pdn (n ≤ 20) nanoclusters on a Moire-patterned surface of graphene adsorbed on Ru(0001) leads to controlled formation of a truly monodisperse cluster-assembled material. Combined scanning tunneling microscopy and first-principles calcns. allow identification of selective adsorption sites, characterization of size-dependent cluster isomers, and exploration of interconversion processes between isomeric forms that manifestly influence cluster surface mobility. Surface-...     »
Keywords:
Adsorbed substances Adsorption Bond Cluster structure Diffusion Epitaxial films Isomers Surface structure (bonding, isomerism, and mobility of size-selected monodisperse nanoclusters on supported graphene studied by scanning tunneling microscopy and first-principles calcns.) Clusters (metal bonding, isomerism, and mobility of size-selected monodisperse nanoclusters on supported graphene studied by scanning tunneling microscopy and first-principles calcns.) Clusters Nanoparticles (nanoclusters bo...     »
Congress title:
CAN 157:645248 Surface Chemistry and Colloids 7440-05-3 (Palladium) Role: PEP (Physical, engineering or chemical process), PRP (Properties), PROC (Process) (bonding, isomerism, and mobility of size-selected monodisperse nanoclusters on supported graphene studied by scanning tunneling microscopy and first-principles calcns.); 1034343-98-0 (Graphene) Role: NUU (Other use, unclassified), PEP (Physical, engineering or chemical process), PRP (Properties), PROC (Process), USES (Uses) (bonding, isomer...     »
Journal title:
Nano Lett.
Year:
2012
Journal volume:
12
Journal issue:
11
Pages contribution:
5907-5912
Fulltext / DOI:
doi:10.1021/nl303319f
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