Journal article
Spontaneous Formation of Dipolar Metal Nanoclusters
The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory, Vol.113(16), pp.4134-4137
04/23/2009
DOI: 10.1021/jp8105088
PMID: 19290645
Abstract
The adsorption of three- and four-atom Ag and Pd clusters on the a-Al2O3 (0001) surface is explored with density functional theory. Within each adsorbed cluster, two different cluster-surface interactions are present. We find that clusters simultaneously form both ionic bonds with surface oxygen and intermetallic bonds with surface aluminum. The simultaneous formation of disparate electronic structure motifs within a single metal nanoparticle is termed a "dipolar nanocluster". This coexistence is ascribed to a balance of geometric constraints and metal electronic structure, and its importance for nanoparticle catalysis is highlighted. © 2009 American Chemical Society.
Details
- Title: Subtitle
- Spontaneous Formation of Dipolar Metal Nanoclusters
- Creators
- Sara E Mason - The Makineni Theoretical Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323Elizabeth A Sokol - The Makineni Theoretical Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323Valentino R Cooper - The Makineni Theoretical Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323Andrew M Rappe - The Makineni Theoretical Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323
- Resource Type
- Journal article
- Publication Details
- The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory, Vol.113(16), pp.4134-4137
- DOI
- 10.1021/jp8105088
- PMID
- 19290645
- ISSN
- 1089-5639
- eISSN
- 1520-5215
- Language
- English
- Date published
- 04/23/2009
- Academic Unit
- Chemistry
- Record Identifier
- 9984216597202771
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