CAJ | 학술논문

本文应用循环伏安法和微分脉冲伏安法研究了两种新型单、双核多吡啶钌(Ⅱ)配合物在铟锡氧化物(ITO)电极上的电化学行为及对双酚A(BPA)的催化氧化. 研究结果表明,单、双核配合物在ITO电极上均出现两个归属为中心离子和亚胺基的氧化波,双核配合物的峰电流约为单核的2倍,表现为通过桥联配体在两中心离子间的电子转移速度较其与电极间的大. 同时,两种配合物对BPA的氧化呈现相近的催化氧化活性. 此外,讨论了pH值对单、双核钌配合物电化学行为的影响,比较分析了它们对BPA的催化氧化过程.
본문응용순배복안법화미분맥충복안법연구료량충신형단、쌍핵다필정조(Ⅱ)배합물재인석양화물(ITO)전겁상적전화학행위급대쌍분A(BPA)적최화양화. 연구결과표명,단、쌍핵배합물재ITO전겁상균출현량개귀속위중심리자화아알기적양화파,쌍핵배합물적봉전류약위단핵적2배,표현위통과교련배체재량중심리자간적전자전이속도교기여전겁간적대. 동시,량충배합물대BPA적양화정현상근적최화양화활성. 차외,토론료pH치대단、쌍핵조배합물전화학행위적영향,비교분석료타문대BPA적최화양화과정.
The electrochemical behavior of mono- and di-ruthenium(Ⅱ) complexes and their electrocatalytic activity to the oxidation of bisphenol A (BPA) on an ITO electrode has been investigated with cyclic voltammetry and differential pulse voltammetry. It was found that two oxidative waves for two ruthenium complexes appeared on the ITO surface attributed to the oxidation of central ions and imine groups, respectively. The oxidative currents for di-ruthenium complex were twice as large as those of mono-ruthenium complex. It was suggested that the electron transfer rate between two central ions for di-ruthenium complex was faster than that between the complex and ITO electrode. Also, the two ruthenium complexes showed similar electrocatalytic activity for BPA oxidation. Furthermore, this paper discussed the effects of pH on the electrochemical performance of two complexes and analyzed their electrocatalytic processes for BPA oxidation.