Synthesis, Characterization of Heterodinuclear Co-Cu Complex and Its Electrocatalytic Activity towards 02 Reduction: Implications for Cytochrome c Oxidase Active Site Modeling

(整期优先)网络出版时间:2003-09-19
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Anewdinudeatingligandconsistingofatetraphanylporphyrinderivativecovalentlylinkedwithtris(2-benzimidazylmethyl)-amineanditshomodinudearCo-CoandheterodinnelearCo-Cucomplexesweresynthesizedandspectroscopicallycharacter-ized.Theheterobimetalliecobalt-coppercomplexbearingthreebenzimidazoleligandsforcopper,ascytochromecoxidaseac-tivesitemodel,wasappliedtothesurfaceofglassycarbonelec-trodetoshowelectrocatalytieactivityforO2reductioninaque-oussolutionatanaddityleveldosetophysiologicalpHvalue.Thekineticparametersofthiselectrocatalyticprocesswereob-tained.