Chemical synthesis, characterization, and direct‐current conductivity studies of polypyrrole/γ‐Fe 2 O 3  composites | Zendy

Murugendrappa M. V. | Zendy; Prasad M. V. N. Ambika | Zendy

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Chemical synthesis, characterization, and direct‐current conductivity studies of polypyrrole/γ‐Fe 2 O 3 composites

Author(s) -

Murugendrappa M. V.,

Prasad M. V. N. Ambika

Publication year - 2006

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.23868

Subject(s) - polypyrrole , materials science , scanning electron microscope , conductivity , composite material , polymerization , pyrrole , electrical resistivity and conductivity , conductive polymer , infrared spectroscopy , polymer , chemistry , organic chemistry , electrical engineering , engineering

The in situ polymerization of pyrrole was carried out in the presence of γ‐Fe 2 O 3 to synthesize polypyrrole/γ‐Fe 2 O 3 composites by a chemical oxidation method. The polypyrrole/γ‐Fe 2 O 3 composites were synthesized with various compositions, including 10, 20, 30, 40, and 50 wt % γ‐Fe 2 O 3 in pyrrole. The polypyrrole/γ‐Fe 2 O 3 composites were characterized with X‐ray diffractometry and infrared spectroscopy. The surface morphology of these composites was studied with scanning electron microscopy. The direct‐current conductivity was studied from 40 to 200°C. The dimensions of the γ‐Fe 2 O 3 particles in the matrix had a greater influence on the conductivity values. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 103: 2797–2801, 2007

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