The mechanistic studies of the electrochemical in situ association of copper ions with 5, 10, 15, 20-tetraphenyl-21H, 23H-porphyrin

  • Zhuang Q
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Abstract

A trace of 5, 10, 15, 20-tetraphenyl-21H, 23H-porphyrin (H2TPP) was mechanically transferred to the surface of a paraffin-impregnated graphite electrode and associated with copper ions in an aqueous media by electrochemistry. Under different electrochemical conditions, two cases of surface associations of H2TPP with copper ions are obtained. The formations were characterized by the voltammetry of the immobilized microparticles. According to the different voltammetric behaviors of the two cases of the in situ formed copper porphyrins, the different association mechanisms of the two cases of copper porphyrins were elucidated. (C) 2000 Elsevier Science B.V.

Author-supplied keywords

  • Copper porphyrin
  • Electrochemistry
  • Porphyrin
  • Surface association
  • Voltammetry of immobilized microparticles

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Authors

  • Qian Kun Zhuang

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