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Electrocatalytic Oxidation of Ascorbic Acid on a Modified Carbon Ceramic Electrode with Carbon Nanotube and Rh(III)terpyridine Complex
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نویسنده
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Ershad Sohrab ,Akhoundi-Yamchi Hamzeh
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منبع
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analytical and bioanalytical electrochemistry - 2014 - دوره : 6 - شماره : 5 - صفحه:595 -605
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چکیده
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A novel chemically modified electrode containing rh(iii)terpyridine complex wasachieved on the surface of glass carbon electrode by sol-gel technique. the electrochemicalbehavior of modified electrode was characterized by cyclic voltammetry in detail. the filmelectrode obtained was very stable and exhibited electrocatalytic response for oxidation ofascorbic acid. results showed at bare gc electrode, a small oxidation peak current wasobserved at about 0.42 v and a well-formed sharp catalytic oxidation peak at about -0.08 vwas observed at rh(iii)terpyridine complex modified electrode. the transfer coefficient (?)for electrocatalytic oxidation of ascorbic acid and the diffusion coefficient of this substanceunder the experimental conditions were also investigated
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کلیدواژه
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Rh(III)terpyridine Complex ,Cyclic Voltammetry ,Ascorbic Acid ,Electrocatalytic Oxidation
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آدرس
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payame noor university, Department of Chemistry, Faculty of Science, Analytical Research Laboratory, Payame Noor University, PO BOX 19395-3697, Tehran, Iran, ایران, payame noor university, Department of Chemistry, Faculty of Science, Analytical Research Laboratory, Payame Noor University, PO BOX 19395-3697, Tehran, Iran, ایران
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Authors
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