Nano-confined synthesis of highly ordered mesoporous carbon and its performance as electrode material for electrochemical behavior of riboflavin (vitamin B2) and dopamine

Wahab, Mohammad A., Darain, Farzana, Karim, M. A. and Beltramini, Jorge N. (2015) Nano-confined synthesis of highly ordered mesoporous carbon and its performance as electrode material for electrochemical behavior of riboflavin (vitamin B2) and dopamine. International Journal of Electrochemical Science, 10 9: 7732-7742.

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Author Wahab, Mohammad A.
Darain, Farzana
Karim, M. A.
Beltramini, Jorge N.
Title Nano-confined synthesis of highly ordered mesoporous carbon and its performance as electrode material for electrochemical behavior of riboflavin (vitamin B2) and dopamine
Journal name International Journal of Electrochemical Science
ISSN 1452-3981
Publication date 2015
Sub-type Article (original research)
Open Access Status File (Publisher version)
Volume 10
Issue 9
Start page 7732
End page 7742
Total pages 11
Collection year 2016
Language eng
Abstract Highly ordered mesoporous carbon (MC) has been synthesized from sucrose, a non-toxic and costeffective source of carbon. X-ray diffraction, N2 adsorption–desorption isotherm and transmission electron micrograph (TEM) were used to characterize the MC. The XRD patterns show the formation of highly ordered mesoporous structures of SBA15 and mesoporous carbon. The N2 adsorptiondesorption isotherms suggest that the MC exhibits a narrow pore-size distribution with high surface area of 1559 m2/g. The potential application of MC as a novel electrode material was investigated using cyclic voltammetry for riboflavin (vitamin B2) and dopamine. MC-modified glassy carbon electrode (MC/GC) shows increase in peak current compared to GC electrode in potassium ferricyanide which clearly suggest that MC/GC possesses larger electrode area (1.8 fold) compared with bare GC electrode. The electrocatalytic behavior of MC/GC was investigated towards the oxidation of riboflavin (vitamin B2) and dopamine using cyclic voltammetry which show larger oxidation current compared to unmodified electrode and thus MC/GC may have the potential to be used as a chemically modified electrode.
Keyword Highly ordered mesoporous carbon
Cyclic voltammetry
Riboflavin
Dopamine
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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Created: Thu, 08 Oct 2015, 13:28:33 EST by Dr Farzana Darain on behalf of School of Chemistry & Molecular Biosciences