Journal
ELECTROCHIMICA ACTA
Volume 53, Issue 2, Pages 480-486Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2007.06.064
Keywords
cobalt tetracarboxyphthalocyanine; thiocyanate; aryl radical; cyclic voltammetry; 1-ethyl-3-(3-dimethylaminopropyl)-carbodiimide; N-hydroxysuccinimide
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Electrochemical grafting of 4-nitrobenzenediazonium tetrafluoroborate onto a glassy carbon electrode (GCE) results in the formation of a nitrophenyl radical, which reacts with the surface to form a covalent bond (grafting) and results in a nitrophenyl modified electrode. The nitro group is electrochemically reduced to a NH2 group. Cobalt tetracarboxyphthalocyanine (CoTCPc) complex is then attached to the NH2 group using 1-ethyl-3-(3-dimethylaminopropyl)-carbodiimide (EDC) and N-hydroxysuccinimide (NHS) as coupling agents. The new CoTCPc modified electrode was characterized using cyclic voltammetry and then employed for the catalytic oxidation of thiocyanate. (c) 2007 Elsevier Ltd. All rights reserved.
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