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A novel approach to metal and metal oxide nanoparticle synthesis: the oil-in-water microemulsion reaction method
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology, Chemical Technology.
2009 (English)In: Journal of nanoparticle research, ISSN 1388-0764, E-ISSN 1572-896X, Vol. 11, no 7, 1823-1829 p.Article in journal (Refereed) Published
Abstract [en]

A novel and straightforward approach, based on oil-in-water (o/w) microemulsions, was developed for the synthesis of inorganic nanoparticles at ambient conditions. It implies the use of organometallic precursors dissolved in nanometre-scale oil droplets of o/w microemulsions. Addition of reducing or oxidizing/precipitating agents results in the formation of metallic or metal oxide nanoparticles, respectively. Nonionic o/w microemulsion systems were chosen, and several key compositions were selected for nanoparticle synthesis at 25 A degrees C. High Resolution Electron Microscopy revealed that small nanoparticles of metals (Pt, Pd and Rh) and nanocrystalline metal oxide (cerium (IV) oxide with cubic type crystalline structure confirmed by XRD), of less than 7 nm can be obtained in mild conditions.

Place, publisher, year, edition, pages
2009. Vol. 11, no 7, 1823-1829 p.
Keyword [en]
o/w Microemulsion, Nanoreactor, Nanoceria, Pt-nanoparticles, Rh-nanoparticles, Pd-nanoparticles, Nanomanufacturing
National Category
Chemical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-32652DOI: 10.1007/s11051-009-9660-8ISI: 000270543100027Scopus ID: 2-s2.0-70349729881OAI: oai:DiVA.org:kth-32652DiVA: diva2:411389
Note
QC 20110418Available from: 2011-04-18 Created: 2011-04-18 Last updated: 2017-12-11Bibliographically approved

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