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Proceedings Paper

Research and fabrication of conducting polyaniline nanoparticles by electrochemical and chemical methods
Author(s): Nguyen Tuan Anh; Nguyen Van Khuong; Vu Van Binh; Pham Minh Chau; Yoshinori Muranaka
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Paper Abstract

Conducting polyaniline (PANi) and their composite nanoparticles were synthesized by both electrochemical and chemical methods. In electrochemical method, PANi and its composite were electro-synthesized in acidic medium (sulphuric acid and oxalic acid) on iron by cyclic voltammetry technique. In chemical method, PANi and its composite were polymerised by a self-assembly method using ammonium peroxydisulfate as an oxydant under supersonic stirring in aqueous medium. The obtained PANi product was characterised by Infra-Red and Raman spectroscopies. The nanostructure of PANi was examined by using Scanning and Transmission Electron Microscopes. The results obtained in electrochemical method shown that PAni nanoparticles could be archived by transformation from its traditional fibrous structure using a bulky dopant as organic acid (oxalic acid), an oxydable subtract (iron) and an additional less electro-active monomer (diamino-naphthalene : DAN). The nano-size of PANi particles synthetized in chemical method could be controlled by using supersonic stirring conditions and participation of additional metallic oxide particles (ZnO).

Paper Details

Date Published: 16 February 2004
PDF: 11 pages
Proc. SPIE 5648, Smart Materials III, (16 February 2004); doi: 10.1117/12.597439
Show Author Affiliations
Nguyen Tuan Anh, Vietnamese Academy of Science and Technology (Vietnam)
Nguyen Van Khuong, Vietnamese Academy of Science and Technology (Vietnam)
Vu Van Binh, Vietnamese Academy of Science and Technology (Vietnam)
Pham Minh Chau, ITODYS, Univ. Paris 7 (France)
Yoshinori Muranaka, Hamamatsu Univ. School of Medicine (Japan)


Published in SPIE Proceedings Vol. 5648:
Smart Materials III
Alan R. Wilson, Editor(s)

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