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Determination of Catechol Based on Carbon Nanotube Modified Glassy Carbon Electrode

Xiaolong Wang

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Abstract

Carbon nanotubes(CNTs) were loaded on the glassy carbon electrode to prepare carbon nanotube modified glassy carbon electrode(CNTs/GCE).And the electrocatalytic oxidation behavior of catechol was investigated on this modified electrode by cyclic voltammetry(CV) of the electrochemical methods.Results show that good electrocatalytic activity for catechol oxidation could be observed at CNTs/GCE.Compared with bare GCE,the response peak current of CNTs/GCE had an increase of more than 10times.Under the optimal condition of response,the oxidation peak current were increased linear with the concentrations of catechol at the range 0.25 ～2.0 mmol/L.And the recovery test of catechol in simulating wastewater was satisfactory.

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What this paper is about

Carbon nanotubes(CNTs) were loaded on the glassy carbon electrode to prepare carbon nanotube modified glassy carbon electrode(CNTs/GCE).And the electrocatalytic oxidation behavior of catechol was investigated on this modified electrode by cyclic voltammetry(CV) of the electrochemical methods.Results show that good electrocatalytic activity for catechol oxidation could be observed at CNTs/GCE.Compared with bare GCE,the response peak current of CNTs/GCE had an increase of more than 10times.Under the optimal condition of response,the oxidation peak current were increased linear with the concentrations of catechol at the range 0.25 ～2.0 mmol/L.And the recovery test of catechol in simulating wastewater was satisfactory.

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Available abstract

Carbon nanotubes(CNTs) were loaded on the glassy carbon electrode to prepare carbon nanotube modified glassy carbon electrode(CNTs/GCE).And the electrocatalytic oxidation behavior of catechol was investigated on this modified electrode by cyclic voltammetry(CV) of the electrochemical methods.Results show that good electrocatalytic activity for catechol oxidation could be observed at CNTs/GCE.Compared with bare GCE,the response peak current of CNTs/GCE had an increase of more than 10times.Under the optimal condition of response,the oxidation peak current were increased linear with the concentrations of catechol at the range 0.25 ～2.0 mmol/L.And the recovery test of catechol in simulating wastewater was satisfactory.

Key concepts: Catechol, Carbon nanotube, Electrode, Electrochemistry, Cyclic voltammetry, Glassy carbon, Carbon fibers, Materials science

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