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钴膦基元化合物的电化学行为

Electrochemical Behavior of Structural Units Co（PPh₃）2Cl₂ and Co（PPh₃）₃Cl

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【Author】 Tong Yexiang ;Kang Beisheng; Su Jingyu; Chen Zhongning; Su Chengyong; Zhang Huaxin(Institute of Physical Chemistry, School of Chemistry and Chemical Engineering, Zhongshan University, Guangzhou, China 510275)

【机构】中山大学化学化工学院物理化学研究所!广州； 510275；中山大学化学化工学院物理化学研究所!广州510275；中山大学化学化工学院物；

【Abstract】 Linear sweep voltammetry has been used to study the electrochemical behavior of tran-sition metal structural units Co(PPh3)2Cl2 and Co(PPh3)3Cl in DMF solution with 0.1mol L-1Et4NClO4 on Pt electrode. The results suggest that Co(Ⅱ) is reduced to Co(Ⅰ) at the first stepand the process is reversible. The Process of Co(Ⅰ) reduced to Co(0) subsequently is irreversible.The Co(Ⅰ) is not stable in solution and is oxidized easily to Co(Ⅱ).更多还原