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首页> 外文期刊>International Journal of Electrochemical Science >Template Control Preparation of High-Density and Large-Area Ag Nanowire Array and H2O2 Determination
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Template Control Preparation of High-Density and Large-Area Ag Nanowire Array and H2O2 Determination

机译：高密度大面积银纳米线阵列的模板制备及H 2 O 2 的测定

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Highly ordered Ag nanowire arrays were prepared by template-electrodeposition method using anodicaluminum oxide template. The length of Ag NW arrays were controlled by electrodeposition time andcharacterized by scanning electron microscope (SEM) and Energy Dispersive Spectrometer (EDS).Different length Ag NW arrays modified electrodes for H2O2 detection were studied by cyclicvoltammetry (CV). The results showed that the about 250 nm length Ag NW arrays exhibited thehighest electrocatalytic activity for H2O2 with a wide linear range (1 to 750M), low detection limit(0.28 M) (S/N = 3) and short response time (within 3 s). The proposed sensor had high sensitivity-1 -2 (13.4 螒 mmol L cm ). The sensor also had good selectivity toward H2O2 in the presence ofelectrochemical interferences such as ascorbic acid, uric acid and glucose.
机译：使用阳极氧化铝模板通过模板电沉积方法制备了高度有序的Ag纳米线阵列。通过电沉积时间控制Ag NW阵列的长度，并通过扫描电子显微镜（SEM）和能量分散谱仪（EDS）表征。通过循环伏安法（CV）研究了不同长度的Ag NW阵列修饰电极用于过氧化氢的检测。结果表明，长约250 nm的Ag NW阵列对H2O2表现出最高的电催化活性，线性范围宽（1至750M），检测限低（0.28 M）（S / N = 3），响应时间短（3内） s）。拟议的传感器具有高灵敏度-1 -2（13.4螒mmol L cm）。在存在诸如抗坏血酸，尿酸和葡萄糖等电化学干扰的情况下，该传感器对H2O2的选择性也很好。

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