| Pt电极上1,4-丁二醇吸附和氧化过程的CV和EQCM研究 |
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| 引用本文： | 王益凡.Pt电极上1,4-丁二醇吸附和氧化过程的CV和EQCM研究[J].漳州师范学院学报,2003,16(4):64-68. |
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| 作者姓名： | 王益凡 |
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| 作者单位： | 三明高等专科学校化生系 福建 |
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| 摘 要： | 运用电化学循环伏安(cv)和电化学原位石英晶体微天平(EQCM)方法研究了0.1mol·L~(-1)H_2SO_4溶液中1,4-丁二醇(1,4-BDL)在Pt电极上的吸附和氧化过程.结果表明:1,4-丁二醇电氧化行为与电极表面氧物种有着密切关系.正向电位扫描中1,4-丁二醇在Pt电极上氧化产生2个氧化电流峰,峰电位和峰电流分别为0.62V、3.87A·m~(-2)和1.00V、13.2A·m~(-2);负向电位扫描中还出现一个1,4-丁二醇氧化电流峰,峰电位和峰电流为0.39V、12.0A·m~(-2),说明1,4-丁二醇在Pt电极上氧化遵循双途径过程.本文还从电极表面质量定量变化的角度提供了1,4-丁二醇反应机理的新数据。
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| 关 键 词： | 铂电极 1，4-丁二醇 吸附 电化学循环伏安法 电化学原位石英晶体微天平法 电催化氧化 |
| 文章编号： | 1008-7826(2003)04-0064-05 |
| 修稿时间： | 2003年10月12 |
Adsorption and Oxidation of 1, 4 -Butanediol on Pt Electrode Using Cyclic Voltammetry and EQCM |
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| WANG Yi-fan.Adsorption and Oxidation of 1, 4 -Butanediol on Pt Electrode Using Cyclic Voltammetry and EQCM[J].Journal of ZhangZhou Teachers College(Natural Science),2003,16(4):64-68. |
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| Authors: | WANG Yi-fan |
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| Abstract: | The processes of adsorption and oxidation of 1, 4 -Butanediol on Pt electrode was studied by cyclic voltammetry and electrochemical quartz crystal microbalance (EQCM). CV curves illustrated that the oxidation of 1, 4 -Butanediol occurs in two oxidation peaks in the positive-going potential sweep and one large oxidation peak in the negative-going potential sweep. It was revealed that the oxidation of 1, 4 -Butanediol depends strongly on oxidation states of electrode surface and 1,4-Butanediol was oxidized on Pt electrode in acidic media via a dual path reaction mechanism. The EQCM studies provided quantitative results of surface mass variation during 1, 4 -Butanediol oxidation, and have thrown new light in elucidating Pt electrode surface towards 1,4 -Butanediol oxidation. |
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| Keywords: | EQCM Ptelectrode 1 4-Butanediol electrocatalytic oxidation |
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