New nanocomposites based on “tailor dressed” magnetic particles in a polypyrrole matrix | Zendy

Bidan Gérard | Zendy; Jarjayes Olivier | Zendy; Fruchart Jean Marc | Zendy; Hannecart Etienne | Zendy

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New nanocomposites based on “tailor dressed” magnetic particles in a polypyrrole matrix

Author(s) -

Bidan Gérard,

Jarjayes Olivier,

Fruchart Jean Marc,

Hannecart Etienne

Publication year - 1994

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.19940060213

Subject(s) - polypyrrole , materials science , nanocomposite , magnetic nanoparticles , nanometre , polymerization , ion , doping , matrix (chemical analysis) , ferrofluid , coating , chemical engineering , conductive polymer , core (optical fiber) , nanoparticle , nanotechnology , polymer chemistry , composite material , polymer , magnetic field , optoelectronics , organic chemistry , chemistry , engineering , physics , quantum mechanics

Nanometer ‐ sized magnetic particles can be included into polypyrrole to produce composites by means of a novel method involving ferrofluids, in which a magnetic core such as γ‐Fe 2 O 3 is surrounded by an anionic complexing shell (see Figure). This organic coating, leading to the formation of a macroanion, allows the ion to act as a classical doping ion during the polymerization.

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