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Fabrication of Polystyrene/CdS Hybrid Nanocomposites Embedded with CdS Nanowires by a Soft Solution-Processing Route

Published online by Cambridge University Press:  01 February 2011

Shu-Hong Yu  and
Masahiro Yoshimura
Shu-Hong Yu
Affiliation:
Center for Materials Design, Materials and Structures Laboratory, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226, Japan
Masahiro Yoshimura
Affiliation:
Center for Materials Design, Materials and Structures Laboratory, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226, Japan
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Abstract

A novel one-step soft solution-processing (SSP) route called solvothermal-co-polymerization technique was successfully developed for in situ fabrication polystyrene (PS)/CdS nanocomposites embedded with CdS nanowires in ethylenediamine media at lower temperature (80–140°C). In this route, the polymerization of the styrene monomers and the formation of the CdS nanocrystallites occur simultaneously in a certain temperature range. The results show that the quantum-fined CdS nanowires with diameters 4–15 nm and lengths up to several micrometers via the present one-step route were embedded in the PS matrix and had [001] preferential orientation. Both temperature and solvent were found to play a key role in the synthesis of the nanocomposites. The produced novel hybrid nanocomposites display obvious quantum size effects and interesting fluorescence features.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 628: Symposium CC – Hybrid Organic/Inorganic Materials , 2000 , CC6.2
Copyright
Copyright © Materials Research Society 2000

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