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Self-Doped Conducting Core–Shell Poly(styrene/pyrrole) Nanoparticles via Two-Stage Shot-Growth

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Abstract:

Self-doped conducting core–shell poly(styrene/pyrrole) (poly(St/Py)) nanoparticles were successfully prepared by a one-pot synthetic route in both Fe3+-catalyzed oxidative polymerization and emulsifier-free emulsion polymerization. Modified two-stage shot-growth method was introduced to obtain higher doping level of the self-doped conducting core–shell poly(St/Py) nanoparticles. The particle size and core–shell morphology of the resulting particles before and after two-stage shot-growth were investigated by SEM and TEM analyses. Surface charge density of the particles highly increased after two-stage shot-growth and was measured by -potential analysis. The self-doped core–shell nanoparticles showed a high conductivity after two-stage shot-growth.

Keywords: CONDUCTING POLYMER; CORE-SHELL; EMULSIFIER-FREE EMULSION POLYMERIZATION; FE3+-CATALYZED OXIDATIVE POLYMERIZATION; POLYPYRROLE; SELF-DOPING

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2010.2952

Publication date: October 1, 2010

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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