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Facile Synthesis of Polypyrrole/Titanate Core-Shell Nanorods and Their Electrorheological Characteristics

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Author(s): Jiexu Zhang | Ying He | Lijun Ji

Journal: Materials Sciences and Applications
ISSN 2153-117X

Volume: 02;
Issue: 02;
Start page: 111;
Date: 2011;
Original page

Keywords: Polypyrrole | Titanate Nanorods | Conducting Composite | Electrorheological Fluid | Viscoelastic Properties

ABSTRACT
In this work, polypyrrole (PPy)/titanate (TN) composite nanorods were successfully synthesized using cetyl trimethyl-ammonium bromide (CTAB) as a structure-directing agent by in situ chemical oxidative polymerization. The structural characterization indicated that the new composite rods were core (TN)-shell (PPy) nanostructure with the average diameter in the range of 250-300 nm. Further, this semiconducting composite can be used as a dispersed phase in silicone oil for a new electrorheological (ER) fluid, and its ER behavior was investigated under steady and oscillatory shear. It was found that the PPy/TN fluid showed typical ER characteristics under an external electric field.

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