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Fabrication of Polyaniline Nanoparticles Using Microemulsion Polymerization

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Authors
Jang, Jyongsik; Ha, Jungseok; Kim, Sunhee
Issue Date
2007
Publisher
The Polymer Society of Korea
Citation
Macromolecular Reserach 15, 154
Keywords
Conducting polymersnanoparticlesmicroemulsion polymerizationpolyaniline
Abstract
Polyaniline (PANI) nanospheres, 4 nm in diameter, were fabricated by the microemulsion polymerization of octyltrimethyl ammonium bromide (OTAB). The size of the PANI nanoparticles could be controlled as functions of the surfactant concentration, surfactant spacer length and polymerization temperature. The diameter of the PANI nanospheres decreased with increasing surfactant concentration and decreasing temperature. The PANI nanoparticles revealed enhanced conductivity compared to conventional bulk PANIs. In addition, the PANI nanoparticles could be applied as optically transparent conducting materials due to their high conductivity and the nanosize effect. With 9 wt% PANI in the PC matrix, the PANI/PC film exhibited a conductivity of 8.9 × 10-3 S/cm and transparency exceeding 95% over the entire visible light range.
ISSN
1598-5032
Language
English
URI
http://hdl.handle.net/10371/62266
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Chemical and Biological Engineering (화학생물공학부)Journal Papers (저널논문_화학생물공학부)
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