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|Title:||Synthesis of SiO2-coated Bi2S3/poly(styrene) nanocomposites by in-situ polymerization|
|Author:||Esteves, A. C.|
Neves, M. C.
|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.|
|Appears in Collections:||DQ - Artigos|
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|J. Nanosci. Nanotech.6 (2006) 1 –7.pdf||3.16 MB||Adobe PDF|
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