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Fabrication of Polyaniline Nanoparticles Using Microemulsion Polymerization  

Jang, Jyong-Sik (Hyperstructured Organic Materials Research Center, School of Chemical and Biological Engineering, Seoul National University)
Ha, Jung-Seok (Hyperstructured Organic Materials Research Center, School of Chemical and Biological Engineering, Seoul National University)
Kim, Sun-Hee (Hyperstructured Organic Materials Research Center, School of Chemical and Biological Engineering, Seoul National University)
Publication Information
Macromolecular Research / v.15, no.2, 2007 , pp. 154-159 More about this Journal
Abstract
Polyaniline (PANI) nanospheres, 4 run 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 $8.9\times10^{-3}S/cm$ and transparency exceeding 95% over the entire visible light range.
Keywords
conducting polymers; nanoparticles; microemulsion polymerization; polyaniline;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By Web Of Science : 22  (Related Records In Web of Science)
Times Cited By SCOPUS : 17
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