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Synthesis of Pt Nanoparticles in oil-in-water microemulsions: Phase Behavior and Effect of Formulation Parameters on Nanoparticle Characteristics
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology, Chemical Technology.
2011 (English)In: Journal of Dispersion Science and Technology, ISSN 0193-2691, E-ISSN 1532-2351, Vol. 32, no 12, 1765-1770 p.Article in journal (Refereed) Published
Abstract [en]

Pt nanoparticles were synthesized in oil-in-water (o/w) microemulsions, in contrast to the typically used water-in-oil microemulsion method. The new strategy implies the use of a Pt organometallic precursor (1,5-cyclooctadiene dimethyl platinum (II)), dissolved in nanometre-scale oil droplets, stabilized by surfactant, and dispersed in a continuous aqueous phase. Three different nonionic microemulsion systems were used. Characterization studies demonstrate that small, nanocrystalline Pt nanoparticles were obtained. The particle size and agglomeration was dependant on the microemulsion system used and its composition. The obtained results demonstrate the feasibility of this approach for the controlled synthesis of Pt nanoparticles with potential for catalytic purposes.

Place, publisher, year, edition, pages
2011. Vol. 32, no 12, 1765-1770 p.
Keyword [en]
Nano-reactor, nanoparticle synthesis, nonionic microemulsion, o/w microemulsions, Pt nanoparticles
National Category
Nano Technology
Research subject
SRA - Energy
Identifiers
URN: urn:nbn:se:kth:diva-70106DOI: 10.1080/01932691.2011.616170ISI: 000298277400011Scopus ID: 2-s2.0-84855569598OAI: oai:DiVA.org:kth-70106DiVA: diva2:485919
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Note

QC 20120220

Available from: 2012-01-30 Created: 2012-01-30 Last updated: 2017-06-14Bibliographically approved

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