Electrodeposition of Poly(3-Chlorothiophene) Film on WO3 Surfaces in an Ionic Liquid

Poly(3-chlorothiophene) (PCT) was electrochemically polymerized on the surface of tungsten oxide (WO3) in the ionic liquid 1-butyl-3-metyllimidazolium hexafluorophosphate by a potentiodynamic method. The PCT/WO3 films were characterized by Fourier-transform infrared spectroscopy, scanning electron microscopy, and energy-dispersive X-ray analysis. Cyclic voltammetric experiment results showed that the electrochemical activity of the PCT/WO3 composite film was significantly improved due to the contribution of unique structure and interactions between PCT and WO3.

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