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十钨酸薄膜的制备及电催化活性 被引量：3

The Preparation and Electrochemistry Properties of Multilayer Film of Decatungstate
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摘要 运用LBL法将同多酸Na4W10O32(简记为W10)和聚阴离子PEI沉积到多层膜中,进而制得{PEI/[W10/PEI]n/W10}多层薄膜,用UV-vis光谱监测整个膜增长过程,并研究了多层膜修饰的ITO电极的电化学性质.以具有分析价值的化合物NaNO2为底物,研究了多层膜的催化性质,并通过安培计时法进行了进一步的研究.研究结果表明,多层膜对NO2-具有优良的电催化性能,且具有较低的检出限和较高的灵敏度.作为一种原料简单、制备简易的复合膜电极,有望在传感器领域得以应用. A thin film of the polyoxometalate Na4W10O32 was fabricated on quartz,and ITO by the layer-by-layer self-assembly method.The regular growth of the multilayer film was monitored by UV-vis spectroscopy.The electrochemical properties were studied by cyclic voltammetry and hydrodynamic amperometry.The composite film showed electrocatalytic activity towards reduction of NO-2.It may provide a kind of potential material which could be used as amperometric sensor for the determination of NO-2.
作者 史世林 张志晶 孟鑫 张叶琼 马慧媛
机构地区 哈尔滨师范大学
出处 《哈尔滨师范大学自然科学学报》 CAS 2010年第1期90-93,共4页 Natural Science Journal of Harbin Normal University
基金 国家自然科学基金资助项目(20771031)
关键词 薄膜 电催化 传感器 Film Electrocatalytic Amperometric sensor
分类号 TQ153.2 [化学工程—电化学工业]
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参考文献15

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共引文献1

同被引文献32

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哈尔滨师范大学自然科学学报
2010年 第1期

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