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Preparation of inorganic nanoparticles in oil-in-water microemulsions: A soft and versatile approach
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology, Chemical Technology.
2012 (English)In: Current Opinion in Colloid & Interface Science, ISSN 1359-0294, Vol. 17, no 5, 297-305 p.Article, review/survey (Refereed) Published
Abstract [en]

In this review, the synthesis of inorganic nanoparticles using oil-in-water (O/W) microemulsions as confined reaction media is discussed. Synthesis using (O/W) microemulsions has been demonstrated for a great variety of inorganic nanoparticles: metallic (Pt, Pd, Rh, Ag), single metal oxides (CeO 2, ZrO 2, TiO 2, Fe 2O 3), mixed and doped metal oxides (Ce 0.5Zr 0.5O 2, Ce 0.99Eu 0.01O 2, Zr 0.99Eu 0.01O 2, and Fe 2Mn 0.5Zn 0.5O 4), semiconductors (PbS, CdS, Ag 2S, ZnS, CdSe, PbSe, Ag 2Se), fluorides (CaF 2, YF 3, NdF 3, PrF 3), phosphates (CePO 4, HoPO 4), and chromates (BaCrO 4 and PbCrO 4). There are two synthetic strategies: 1) the use of oil-in water (O/W) microemulsions, in which the precursor is an ionic salt which is dissolved in the continuous aqueous phase; and 2) use of O/W microemulsions, in which the precursor is an organometallic salt dissolved in the oil droplets of the microemulsion. The latter approach keeps more resemblance to the typical W/O microemulsion reaction method, as it has the greatest level of precursor confinement.

Place, publisher, year, edition, pages
2012. Vol. 17, no 5, 297-305 p.
Keyword [en]
Direct micelles, Nanoparticle synthesis, Nanoreactors, O/W microemulsion
National Category
Chemical Engineering
URN: urn:nbn:se:kth:diva-103525DOI: 10.1016/j.cocis.2012.06.007ISI: 000309085600010ScopusID: 2-s2.0-84865389659OAI: diva2:561059

QC 20121017

Available from: 2012-10-17 Created: 2012-10-15 Last updated: 2012-10-29Bibliographically approved

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