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http://dx.doi.org/10.12925/jkocs.2013.30.4.754

A Study on the Electrochemical Properties of Langmuir-Blodgett Monolayer Film for the Changes of Concentration with Polyamic Acid and Sphingomyelin Mixture  

Park, Keun-Ho (Dept. of Chemical Engineering, Changwon National University)
Publication Information
Journal of the Korean Applied Science and Technology / v.30, no.4, 2013 , pp. 754-760 More about this Journal
Abstract
We investigated an electrochemical properties for Langmuir-Blodgett (LB) monolayer films of sphingomyelin(SP) and polyamic acid(PAA) mixture(1:1, 2:1 and 3:1 molar ratio). LB monolayer films of mixture was deposited by the LB method on the indium tin oxide(ITO) glass. The electrochemical properties measured by cyclic voltammetry with three-electrode system in 0.1N $KClO_4$ solution. As a result, LB monolayer films of SP and PAA mixture was appeared on irreversible process caused by the reduction current from the cyclic voltammogram. Diffusion coefficient(D) in the SP and PAA mixture was calculated $2.670{\times}10^{-5}$, $3.562{\times}10^{-5}$ and $1.005{\times}10^{-5}cm^2s^{-1}$ at 1:1, 2:1 and 3:1 molar ratio, respectively.
Keywords
sphingomyelin(SP); polyamic acid(PAA); Langmuir-Blodgett(LB) film; reduction current; cyclic voltammetry; diffusivity;
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Times Cited By KSCI : 3  (Citation Analysis)
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