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Ni Doping at Electropolymerized Poly o diaminobenzene Film Electrode and Its Catalytic Properties
Author(s): 
Pages: 18-22
Year: Issue:  1
Journal: Journal of Shandong Institute of Building Material

Keyword:  邻苯二胺电聚合膜 掺杂 电催化;
Abstract: 采用二甲基甲酰胺、水杨醛、氨基乙酸、乙酸改性的聚邻苯二胺膜电极(PODB)配合Ni(Ⅱ),形成PODBd-Ni(Ⅱ),PODBh-Ni(Ⅱ),PODBe-Ni(Ⅱ),PODBa-Ni(Ⅱ)电极。红外光谱显示,Ni(Ⅱ)是由于改性物质和PODB以酰胺的形式结合,从而引入更多的含孤对电子的元素,配合到PODB膜中去的。在HCl溶液中(pH=3),PODBa-Ni(Ⅱ)的配合稳定性最好。掺杂Ni的PODB对O2和抗坏血酸(H2A)有电催化还原和氧化的作用。对H2A的催化氧化属于平行催化机理,电极反应受H2A向电极表面扩散的控制。
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