Electrocatalytic Oxidation of 1-Propanol and 2-Propanol on Electro-active Films Derived from NiII-(N,N′-bis(2-Hydroxy, 3-Methoxy Benzaldehyde)-1,2-Propandiimine) Modified Glassy Carbon Electrode

Majid Jafarian; Mehdi Rashvand avei; Fereydoon Gobal; Saeed Rayati; Mohammad G. Mahjani

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Electrocatalytic Oxidation of 1-Propanol and 2-Propanol on Electro-active Films Derived from NiII-(N,N′-bis(2-Hydroxy, 3-Methoxy Benzaldehyde)-1,2-Propandiimine) Modified Glassy Carbon Electrode

机译：NiII -（N，N′-双（2-羟基，3-甲氧基苯甲醛）-1,2-丙二亚胺）修饰的玻碳衍生的电活性膜上1-丙醇和2-丙醇的电催化氧化电极

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Complexes of NiII–(N,N′-bis(2-hydroxy, 3-methoxy benzaldehyde)-1,2-propandiimine) can be electro-polymerized onto GC electrode in an alkaline solution to give an electro-active film strongly adhered on the electrode surface. In alkaline solution, this poly-(NiII{sal-1,2-pn(3-OMe)2})/GC film shows the typical voltammetric response of a surface-immobilized redox couple, as can be anticipated for the Ni2+/Ni3+ transitions into the film. In addition, the film exhibits a potent and persistent electro-catalytic activity towards the oxidation of 1- and 2-propanol. In CV studies, in the presence of these alcohols, poly-(NiII{sal-1,2-pn(3-OMe)2})/GC electrode shows a new oxidation peak for the alcohols at a potential much more positive than the oxidation peak potential of NiII species. Based on a proposed mechanism, NiIII sites act as active surface for the direct electro-oxidation of alcohols. The corresponding rate laws have been derived, and the kinetic parameters have been obtained. Also, an amperometric procedure has been successfully applied to the determination of the alcohols.

机译：NiIIsups-（N，N'-双（2-羟基，3-甲氧基苯甲醛）-1,2-丙二胺）的配合物可以在碱性溶液中电聚合到GC电极上以产生电活性膜牢固地粘附在电极表面上。在碱性溶液中，这种聚（NiII {sal-1,2-pn（3-OMe）2 }）/ GC膜显示出表面固定的氧化还原对的典型伏安响应，如下所示：可以预期到Ni2 + / Ni3 + 过渡到薄膜中。另外，该膜对1-和2-丙醇的氧化表现出强而持久的电催化活性。在CV研究中，在这些醇的存在下，聚（NiII {sal-1,2-pn（3-OMe）2 }）/ GC电极显示出该醇的新氧化峰其电位比NiII 物种的氧化峰电位高得多。根据提出的机理，NiIII 位点充当了醇直接电氧化的活性表面。推导了相应的速率定律，并获得了动力学参数。另外，安培法已成功地应用于醇的测定。

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来源
《Electrocatalysis》 |2011年第3期|p.163-171|共9页
作者
Majid Jafarian; Mehdi Rashvand avei; Fereydoon Gobal; Saeed Rayati; Mohammad G. Mahjani;
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作者单位

Department of Chemistry, K.N. Toosi University of Technology, P.O. Box 15875-4416, Tehran, Iran;

Department of Chemistry, K.N. Toosi University of Technology, P.O. Box 15875-4416, Tehran, Iran;

Department of Chemistry, Sharif University of Technology, P.O. Box 11365-8516, Tehran, Iran;

Department of Chemistry, K.N. Toosi University of Technology, P.O. Box 15875-4416, Tehran, Iran;

Department of Chemistry, K.N. Toosi University of Technology, P.O. Box 15875-4416, Tehran, Iran;

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正文语种 eng
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关键词
Schiff base complexes; Electro-polymerization; Direct electro-oxidation mechanism; 1-Propanol; 2-Propanol; Modified electrodes;

机译：Schiff碱配合物;电聚合;直接电氧化机理;1-丙醇;2-丙醇;修饰电极;

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1. Electrocatalytic Oxidation of 1-Propanol and 2-Propanolon Electro-active Films Derived from Ni~(II)-(N,N-bis(2-Hydroxy,3-Methoxy Benzaldehyde)-1,2-Propandiimine)Modified Glassy Carbon Electrode [J] . Majid Jafarian, Mehdi Rashvand avei, Fereydoon Gobal Electrocatalysis . 2011,第3期

机译：Ni〜（II）-（N，N-双（2-羟基，3-甲氧基苯甲醛）-1,2-丙二亚胺）修饰的玻碳电极对1-丙醇和2-丙醇电活性膜的电催化氧化
2. Electrocatalytic oxidation of methanol and other short chain aliphatic alcohols on glassy carbon electrodes modified with conductive films derived from Ni~II-(N,N'-bis(2,5-dihydroxybenzylidene)-1,2-diaminobenzene) [J] . Monica Revenga-Parra, Tania Garcia, Encarnacion Lorenzo, Sensors and Actuators. B, Chemical . 2008,第2期

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3. Electrocatalytic oxidation of ascorbate at glassy carbon electrodes modified with electrodeposited films derived from dihydroxybenzaldehyde isomers [J] . G. Moreno, F. Pariente, E. Lorenzo Analytica chimica acta . 2000,第1期

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4. Electrocatalytic Oxidation of Sulfadiazine on a NiO/MWCNT Film Modified Glassy Carbon Electrode [C] . Xiao-Ping Hong, Jing-Ying Ma International Conference on Chemical Engineering and Advanced Materials . 2013

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机译：杂交铜 - 钴己酰甲醛薄膜改性玻璃碳电极对羟胺的电催化氧化。

Electrocatalytic Oxidation of 1-Propanol and 2-Propanol on Electro-active Films Derived from NiII-(N,N′-bis(2-Hydroxy, 3-Methoxy Benzaldehyde)-1,2-Propandiimine) Modified Glassy Carbon Electrode

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