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 Synthesis of SiO2-coated Bi2S3/poly(styrene) nanocomposites by in-situ polymerization
Please use this identifier to cite or link to this item http://hdl.handle.net/10773/5746

title: Synthesis of SiO2-coated Bi2S3/poly(styrene) nanocomposites by in-situ polymerization
authors: Esteves, A. C.
Neves, M. C.
Barros-Timmons, A.
Bourgeat-Lami, E.
Liz-Marzán, L.
Trindade, T.
keywords: Nanocomposites
polymerization
nanofibers
bismuth sulphide
silica
issue date: Feb-2006
publisher: American Scientific Publishers
abstract: New nanocomposites containing silica-coated Bi2S3 nanofibers were synthesised by in situ polymerization using two distinct synthetic strategies: emulsion and suspension polymerization. Transmission and scanning electron microscopy of the nanocomposite particles showed that in both cases the Bi2S3/SiO2 nanoparticles were densely coated with poly(styrene). In situ emulsion polymerization afforded nanocomposites in which the nanofibers were coated with polymer spheres whilst suspension polymerization gives rise to a homogeneous polymer layer coat. The morphology of the poly(styrene) coating observed is discussed considering the surface modification of the nanofibers and the polymerization technique involved.
URI: http://hdl.handle.net/10773/5746
ISSN: 1533-4880
publisher version/DOI: http://www.aspbs.com/
source: Journal of Nanoscience and Nanotechnology
appears in collectionsDQ - Artigos

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