Abstract
Electrochemical properties of a novel monoruthenated porphyrin [Ru(phen)2(MPyTMPP)Cl]+ (where phen =1,10-phenanthroline,MPyTMPP =5-(3-pyridyl)-10,15,20-tris-(4-methylphenyl) porphyrin) on a multi-walled carbon nanotubes (MWCNTs) modified glassy carbon (GC) electrode with the participation of dihexadecyl phosphate (DHP) have been investigated by using cyclic voltammetry,differential pulse voltammetry,UV-Visible spectroscopy and fluorescence spectroscopy. It is found that [Ru(phen)2(MPyTMPP)Cl]+ has the ability to adsorb strongly onto the MWCNTs-DHP modified GC electrode and exhibits a pair of redox waves controlled by surface electrochemical process. DHP dispersed on the MWCNTs/GC electrode can facilitate the ruthenium complex to adsorb onto the MWCNTs-DHP surface. A new complex is generated by the interaction of [Ru(phen)2(MPyTMPP)Cl]+ on the modified electrode with DHP in buffer solution and its formal potential corresponding to the Ru(III)/Ru(II) reaction indicates an negative shift.
Keywords
monoruthenated porphyrin, dihexadecyl phosphate, multi-walled carbon nanotubes, electrochemical properties
Publication Date
2009-08-28
Online Available Date
2009-08-28
Revised Date
2009-08-28
Received Date
2009-08-28
Recommended Citation
Miao-jing CHEN, Bao-yi LU, Wen-jie MEI, Hong LI.
Electrochemical Properties of Ru-P/MWCNTs-DHP/GC Electrode[J]. Journal of Electrochemistry,
2009
,
15(3): 304-309.
DOI: 10.61558/2993-074X.2000
Available at:
https://jelectrochem.xmu.edu.cn/journal/vol15/iss3/14
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