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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 30, Number 5
BKCSDE 30(5)
May 20, 2009 

Structural Analysis of Conductive Polypyrroles Synthesized in an Ionic Liquid
Eun Ah Song, Woo Gwang Jung, Dae Woo Ihm, Jin Yeol Kim*
Magnetic ionic liquid, Polypyrrole, Nanoparticle
Nano-structured conducting polypyrroles were synthesized in the ionic liquids (ILs) based on 1-alkyl-3-methylimidazolium family with tetrachloroferrate as an anion (Cn mim [FeCl4] with n = 4, 8, and 12). The polypyrrole nanostructures synthesized in ILs were formed as spherical shapes. For ionic liquids with alkyl side chain length C4, C4 mim [FeCl4], the size of particles was ranged around 60-nm with a relatively narrow size distribution. As the length of alkyl chain increases, the particle sizes become larger and their distributions become wider. The self-assembled local structures in the solvent ionic liquids are likely to serve as templates of highly organized nano-structured polymers. The length of the alkyl chain in ionic liquids seems to affect these local structures.
1009 - 1011
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