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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 16, Number 1
BKCSDE 16(1)
January 20, 1995 

 
Title
Electrochemical Reduction of Oxygen at Co(Ⅱ)-3,4-bis(salicylidene diimine)toluene Complex supported Glassy Carbon Electrode
Author
Yong-Kook Choi, Ki-Hyung Chjo, Kyoung-Hee Park
Keywords
Abstract
Electrochemical reduction of oxygen has been carried out at glassy carbon electrode and carbon ultramicroelectrode, the surface of which is modified with a new Co(Ⅱ)-Schiff base complex, Co(Ⅱ)-3,4-bis(salicylidene diimine)toluene in 1 M KOH solution. The results obtained from cyclic voltammetric and chronoamperometric experiments are consistent with the formation of the reasonably stable superoxide ions as a primary electron transfer reaction product. The exchange rate constant obtained for oxygen reduction is about 0.02 cm/s.
Page
21 - 26
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