Please use this identifier to cite or link to this item: https://doi.org/10.1021/cm0703728
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dc.titleBifunctional FePt core-shell and hollow spheres: Sonochemical preparation and self-assembly
dc.contributor.authorWang, J.
dc.contributor.authorLoh, K.P.
dc.contributor.authorZhong, Y.L.
dc.contributor.authorLin, M.
dc.contributor.authorDing, J.
dc.contributor.authorFoo, Y.L.
dc.date.accessioned2014-10-16T08:21:13Z
dc.date.available2014-10-16T08:21:13Z
dc.date.issued2007-05-15
dc.identifier.citationWang, J., Loh, K.P., Zhong, Y.L., Lin, M., Ding, J., Foo, Y.L. (2007-05-15). Bifunctional FePt core-shell and hollow spheres: Sonochemical preparation and self-assembly. Chemistry of Materials 19 (10) : 2566-2572. ScholarBank@NUS Repository. https://doi.org/10.1021/cm0703728
dc.identifier.issn08974756
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/93170
dc.description.abstractThe sonochemical preparation of FePt/SiO2 and FePt/ZnS/SiO 2 core-shell and hollow microspheres, as well as their self-assembly into a quasi-monolayer, was demonstrated. Uniform FePt nanoparticles can be deposited on silica microspheres modified with polyelectrolytes by a sonochemical process, using iron and platinum acetylacetonates as metal precursors. The amine and carboxylic functional groups in the polyelectrolyte layer provided nucleation sites for FePt nanoparticles. Alternatively, if the silica was precoated with ZnS, the nucleation of FePt nanoparticles on the ZnS shell can occur. A high coercivity of 12 kOe for these microspheres was obtained after annealing. A bifunctional microsphere with both luminescence and magnetic properties could be generated after the FePt/ZnS/SiO2 microsphere was annealed in a vacuum. © 2007 American Chemical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1021/cm0703728
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentCHEMISTRY
dc.description.doi10.1021/cm0703728
dc.description.sourcetitleChemistry of Materials
dc.description.volume19
dc.description.issue10
dc.description.page2566-2572
dc.description.codenCMATE
dc.identifier.isiut000246283200026
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