Reaction Mechanism of Dye with Atomic Hydrogen on Au Cathode Plated Nanostructured Pd Film

Li Hui Huang; Guo Peng Sun; Hou Yi Ma; Tao Yang

doi:10.4028/www.scientific.net/AMM.121-126.320

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 121-126Reaction Mechanism of Dye with Atomic Hydrogen on...

Reaction Mechanism of Dye with Atomic Hydrogen on Au Cathode Plated Nanostructured Pd Film

Abstract:

The Au electrode plated nanostructure Pd was used to study the reaction mechanism of C.I. reactive blue 19 and reactive brilliant blue K-GR with atomic hydrogen in 0.2M H2SO4 solution by the electrochemical method. The nanostructured Pd/Au electrode showed the various forms of hydrogen. Through the result of cyclic voltammetry, Tafel curve and EIS, the protonation of dye molecule could accelerate the production of atomic hydrogen and the adsorption of dye on Pd/Au electrode. The decolorization efficiency using potentiostatic polarization at -0.18V was highest than that at other polarization potential because the proportion between adsorbed dye and adsorbed atomic hydrogen on electode was optimum.

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Applied Mechanics and Materials (Volumes 121-126)

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320-324

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.121-126.320

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Online since:

October 2011

Authors:

Li Hui Huang, Guo Peng Sun, Hou Yi Ma, Tao Yang

Keywords:

Atomic Hydrogen, Dye Protonation, Electrochemical Reduction, Pd/Au Electrode, Triazine Structure

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