Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Electro-oxidation of Cyclohexanol on a Copper Electrode Modified by Copper-dimethylglyoxime Complex Formed by Electrochemical Synthesis

  • Hasanzadeh, Mohammad. (Department of Chemistry, Faculty of Science, Payame Noor University (PNU)) ;
  • Shadjou, Nasrin. (Department of Chemistry, Faculty of Science, Payame Noor University (PNU)) ;
  • Saghatforoush, Lotfali. (Department of Chemistry, Faculty of Science, Payame Noor University (PNU)) ;
  • Khalilzadeh, Balal. (Department of Chemistry, Faculty of Science, K. N. Toosi University Technology) ;
  • Kazeman, Isa. (Department of Chemistry, Faculty of Science, Arak University)
  • Published : 2009.12.20
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Abstract

Copper-dimethylglyoxime complex (CuDMG) modified Copper electrode (Cu/CuDMG) showed a catalytic activity towards cyclohexanol oxidation in NaOH solution. The modified electrode prepared by the dimethylglyoxime anodic deposition on Cu electrode in the solution contained 0.20 M $NH_4Cl\;+\;NH_4OH\;(pH\;9.50)\;and\;1\;{\times}\;10^{-4}$ M dimethylglyoxime. The modified electrode conditioned by potential recycling in a potential range of -900${\sim}$900 mV vs. Ag/AgCl by cyclic voltammetry in alkaline medium (1 M NaOH). The results show that the CuDMG film on the electrode behaves as an efficient catalyst for the electro-oxidation of cyclohexanol in alkaline medium via Cu (III) species formed on the electrode.

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