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http://dx.doi.org/10.5229/JKES.2003.6.2.134

Characterization of DBSA and Mixed Dopant Doped Stretchable Polypyrrole Films by Electrochemical Method  

Jang, Kwan-Sik (Department of Chemistry, Sogang University)
Moon, Bong-Jin (Department of Chemistry, Sogang University)
Oh, Eung-Ju (Department of Chemistry, Myongji University)
Hong, Jang-Hoo (Department of Fine Chemistry, Seoul National University of Technology)
Publication Information
Journal of the Korean Electrochemical Society / v.6, no.2, 2003 , pp. 134-140 More about this Journal
Abstract
Stretchable Polypyrrole films(Ppy-DBSA, Ppy-mixed dopants) using functionalized doping agents dodecyl-benzensulfonic acid (DBSA) and mixed dopants{DBSA with $LIClO_4$, NSA (2-naphthalenesulfonic acid), DEHSA [di(2-ethylhexyl)sulfosuccinic acid]}, were synthesized by electrochemical method. Electrochemically prepared Polypyrrole films were stretch-oriented $(L/L_0=1.0-2.5)$ by a Bone drawing method and their electrical conductivities were measured. As the drawing ratio was increased, the electrical conductivities were increased. This results might be due to the increase in crystallinity through the incresase in draw ratio. The results of temperature dependence of electrical conductivity showed that power raw $(L/L_0=1.0-2.5)$ gave the best fit to the data for stretched Ppy-DBSA and Ppy-mixed dopants films.
Keywords
Stretchable Polypyrrole; Zone drawing method; Draw ratio; Electrical conductivity; Functionalized doping agent;
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