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首页> 外文期刊>Electroanalysis >Electrochemical, in situ spectroelectrochemical, in situ electrocolorimetric and electrocatalytic characterization of metallophthalocyanines bearing four dioctylaminocarbonyl biphenyloxy substituents
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Electrochemical, in situ spectroelectrochemical, in situ electrocolorimetric and electrocatalytic characterization of metallophthalocyanines bearing four dioctylaminocarbonyl biphenyloxy substituents

机译:带有四个二辛基氨基羰基联苯氧基取代基的金属酞菁的电化学,原位光谱电化学,原位电比色和电催化表征

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This study describes the electrochemical, in situ spectroelectrochemical, in situ electrocolorimetric and electrocatalytic characterization of metallophthalocyanines bearing four dioctylaminocarbonyl biphenyloxy groups (MPc's). While CoPc gives both metal-based and ring-based redox processes, ZnPc and CuPc show only ring-based reduction and oxidation processes. In-situ electrocolorimetric method was applied to investigate color of the electrogenerated anionic and cationic forms of the complexes. Perchloric acid titrations monitored by cyclic voltammetry and spectrophotometry represent possible electrocatalytic activities of the complexes for hydrogen evolution reaction. CuPc having inactive metal center incorporated into a Nafion film on GCE decreases overpotential of the electrode for H~+ reduction in aqueous solution.
机译:这项研究描述了带有四个二辛基氨基羰基联苯氧基(MPc's)的金属酞菁的电化学,原位光谱电化学,原位电比色和电催化特性。虽然CoPc提供了金属基和环基氧化还原工艺,但ZnPc和CuPc仅显示了环基还原和氧化工艺。原位电比色法用于研究复合物电生成的阴离子和阳离子形式的颜色。通过循环伏安法和分光光度法监测的高氯酸滴定值表示该络合物对析氢反应的可能的电催化活性。在GCE上的Nafion膜中结合了非活性金属中心的CuPc降低了用于水溶液中H +还原的电极过电位。

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