Polyaniline nanofibers supported on titanium as templates for immobilization of Pd nanoparticles: A new electro-catalyst for hydrazine oxidation
Corresponding Author
M. G. Hosseini
Department of Physical Chemistry, Electrochemistry Research Laboratory University of Tabriz, Tabriz, Iran
Department of Physical Chemistry, Electrochemistry Research Laboratory University of Tabriz, Tabriz, Iran===Search for more papers by this authorS. Zeynali
Department of Physical Chemistry, Electrochemistry Research Laboratory University of Tabriz, Tabriz, Iran
Search for more papers by this authorM. M. Momeni
Department of Physical Chemistry, Electrochemistry Research Laboratory University of Tabriz, Tabriz, Iran
Search for more papers by this authorR. Najjar
Department of Organic Chemistry, Polymer Research Laboratory, University of Tabriz, Tabriz, Iran
Search for more papers by this authorCorresponding Author
M. G. Hosseini
Department of Physical Chemistry, Electrochemistry Research Laboratory University of Tabriz, Tabriz, Iran
Department of Physical Chemistry, Electrochemistry Research Laboratory University of Tabriz, Tabriz, Iran===Search for more papers by this authorS. Zeynali
Department of Physical Chemistry, Electrochemistry Research Laboratory University of Tabriz, Tabriz, Iran
Search for more papers by this authorM. M. Momeni
Department of Physical Chemistry, Electrochemistry Research Laboratory University of Tabriz, Tabriz, Iran
Search for more papers by this authorR. Najjar
Department of Organic Chemistry, Polymer Research Laboratory, University of Tabriz, Tabriz, Iran
Search for more papers by this authorAbstract
Palladium nanoparticles (Pd-NPs)/polyaniline (PAni)/titanium (Ti) catalysts were prepared using electroless deposition of Pd-NPs on PAni matrixes coated on Ti substrate. PAni/Ti electrodes were synthesized by electro-polymerization of aniline on Ti. The morphology of Pd-NPs on PAni/Ti electrodes were characterized by scanning electron microscopy technique and results indicated that Pd-NPs were uniformly dispersed on the surface of PAni film. The electro-catalytic properties of Pd-NPs/PAni/Ti catalysts toward oxidation of hydrazine were investigated by different electrochemical methods and results showed that Pd-NPs/PAni/Ti catalysts have high electrochemical activity. In addition, the mechanism of hydrazine electrochemical oxidation catalyzed by Pd-NPs/PAni/Ti was investigated. © 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2011
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