Electrochemical Properties and Synthesis of Poly(ether)tailed Cobalt(II)bipyridine Complex

Kim, II Kwang; 김일광; Jun, II Chul; 전일철; Murray, Royce W.

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P-ISSN1225-0163
E-ISSN2288-8985
SCOPUS, ESCI, KCI

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P-ISSN 1225-0163
E-ISSN 2288-8985

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Vol.9, No.3

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Electrochemical Properties and Synthesis of Poly(ether)tailed Cobalt(II)bipyridine Complex

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985

1996, v.9 no.3, pp.292-301

Kim, II Kwang
Jun, II Chul
Murray, Royce W.

Kim, I. K., Jun, I. C., & Murray, R. W. (1996). Electrochemical Properties and Synthesis of Poly(ether)tailed Cobalt(II)bipyridine Complex. , 9(3), 292-301.

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Abstract

The synthesis of poly(ether)tailed bipyridine complex as redox reaction probes has advanced attempts to interpret very slow diffusion and heterogeneous electron transfer. Diffusion coefficients as low as $1.5{\times}10^{-15}cm^2/s$ have been observed for the oxidation of neat $Co(bpy(ppgm)_2)_{3^-}(ClO_4)_2$ with $LiClO_4$ electrolyte. Heterogeneous electron transfer rate constants of materials were found to vary with diffusion coefficient. The decrease in k as the diffusion coefficient decreases was actually caused by the decreasing D. Diffusion coefficient for compound of strong ion pairing anion($ClO{_4}^-$) was much smaller than the diffusion coefficient for compound of weak ion pairing anion($CF_3COO^-$).