Size focusing of nanoparticles by thermodynamic control through ligand interactions. Molecular clusters compared with nanoparticles of metals

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dc.contributor.author Jose, Deepa
dc.contributor.author Matthiesen, John E.
dc.contributor.author Parsons, Christopher
dc.contributor.author Sorensen, Christopher M.
dc.contributor.author Klabunde, Kenneth J.
dc.date.accessioned 2013-06-19T20:01:39Z
dc.date.available 2013-06-19T20:01:39Z
dc.date.issued 2012-03-08
dc.identifier.uri http://hdl.handle.net/2097/15918
dc.description.abstract Ligand capped metal entities come in two sizes; (1) molecular clusters of 10 – 200 metal atoms, and (2) nanoparticles of 2000 – 10000 metal atoms. In numerous cases, certain “magic sizes” have been found to be most accessible and stable; clusters of 25, 38, 55, 102 atoms and nanoparticles of 3500 – 5000 atoms or 4 – 5 nm. The most familiar and studied system is that of gold (metal) and thiol (ligand). Herein the methods of synthesis of these gold clusters vs gold nanoparticles are carefully compared. In the cluster case, an important intermediate is (Au[superscript +] ˉSR)[subscript n] polymer, which is not the case in the synthesis of nanoparticles either from metal (vapor) atoms or metal ions. Also, it is shown that thiol can act as both a reductant (Au[superscript 3+] Au[superscript 1+]), and as an oxidant (Au[superscript 0] Au[superscript 1+]). The thermodynamic forces responsible for the favored formation of certain size clusters, and nanoparticles are discussed. en_US
dc.language.iso en_US en_US
dc.relation.uri http://doi.org/10.1021/jz201640e en_US
dc.rights This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s). en_US
dc.rights.uri http://rightsstatements.org/vocab/InC/1.0/
dc.subject Nanoparticles en_US
dc.subject Thermodynamic control en_US
dc.subject Ligands en_US
dc.subject Molecular clusters en_US
dc.title Size focusing of nanoparticles by thermodynamic control through ligand interactions. Molecular clusters compared with nanoparticles of metals en_US
dc.type Article (author version) en_US
dc.date.published 2012 en_US
dc.citation.doi 10.1021/jz201640e en_US
dc.citation.epage 890 en_US
dc.citation.issue 7 en_US
dc.citation.jtitle Journal of Physical Chemistry Letters en_US
dc.citation.spage 885 en_US
dc.citation.volume 3 en_US
dc.contributor.authoreid sor en_US
dc.contributor.authoreid kenjk en_US


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This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s). Except where otherwise noted, the use of this item is bound by the following: This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).

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