Document Type : Original Article

Authors

1 Department of Physics, Sari Branch, Islamic Azad University, Sari, Iran

2 Department of Chemical Engineering, Quchan University of Technology, Iran

Abstract

In this study, we discussed the synthesis of Pt doped NiO decorated single wall carbon nanotubes nanocomposite (Pt-NiO/SWCNTs/NC) and investigated the effect of this nanocomposite on the reduction of charge transfer resistance (Rct) in electrochemical systems (solution of 1.0 mM [Fe(CN)6]3-/4-+0.1 M KCl). For this goal, we synthesized the NiO nanoparticle, NiO/SWCNTs nanocomposite and Pt/SWCNTs nanocomposite and then morphological of these nanocomposites were characterized by TEM method.  The effect of these nano-compounds on the reduction of charge transfer resistance was compared with Pt-NiO/SWCNTs/NC. The results demonstrated that, the synthesized nanomaterials could be reduce charge transfer resistance in redox reaction. Also, the Pt-NiO/SWCNTs/NC (diameter, ⁓ 15-20 nm) showed best condition for reduction of charge transfer resistance compare to other nanomaterials. This point confirmed that doping of Pt into NiO nanostructure and decoration of this nano-hybrid on surface of SWCNTs created high conductivity nanomaterials that are useful for fabrication of electro-catalyst in fuel cell systems.  

Graphical Abstract

Systematically investigation for synthesis of Pt doped NiO decorated single wall carbon nanotubes and effect of synthesis nanomaterials for reduction of charge transfer reduction

Keywords

Main Subjects

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