Electrochemical preparation and electrochemical behavior of polypyrrole/carbon nanotube composite films
Electrochemical preparation and electrochemical behavior of polypyrrole/carbon nanotube composite films
Xue-tong ZHANG1,2(), Wen-hui SONG1
1. School of Materials Science & Engineering, Beijing Institute of Technology,; 2. Wolfson Center for Materials Processing, Brunel University, West London UB8 3PH, UK
Polypyrrole/multiwalled carbon nanotube (MWNT) composite films were electrochemically deposited in the presence of an ionic surfactant, sodium dodecyl sulfate (SDS), acting as both supporting electrolyte and dispersant. The effects of the surfactant and the MWNT concentrations on the structure of the resulting composite films were investigated. The electrochemical behavior of the resulting polypyrrole/MWNT composite film was investigated as well by cyclic voltammogram. The effect of the additional alternating electric field applied during the constant direct potential electrochemical deposition on the morphology and electrochemical behavior of the resulting composite film was also investigated in this study.
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