Branching Patterns of a Conducting Polymer Polymerized Electrochemically with a Constant‐Current Source
Masaharu FujiiDepartment of Electrical Engineering, Faculty of Engineering, Ehime University, Matsuyama, Ehime 790, JapanKiyomitsu AriiDepartment of Electrical Engineering, Faculty of Engineering, Ehime University, Matsuyama, Ehime 790, JapanKatsumi YoshinoDepartment of Electrical Engineering, Faculty of Engineering, Ehime University, Matsuyama, Ehime 790, Japan
1993en
ABI
Abstract
A conducting polymer, polypyrrole with fractal patterns, has been formed by a constant‐current polymerization method. The patterns of growth on the surface of the cell have been classified into three types; needle‐like, DLA‐like, and broad leaf‐like. The type of pattern formed by polymerization with constant‐current control varied with time since the effective applied voltage decreased with time. The change in the pattern has been estimated numerically by the fractal dimension.
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