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首页> 外文期刊>The Analyst: The Analytical Journal of the Royal Society of Chemistry: A Monthly International Publication Dealing with All Branches of Analytical Chemistry >Ferric ion immobilized on three-dimensional nanoporous gold films modified with self-assembled monolayers for electrochemical detection of hydrogen peroxide
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Ferric ion immobilized on three-dimensional nanoporous gold films modified with self-assembled monolayers for electrochemical detection of hydrogen peroxide

机译：铁离子固定在自组装单层修饰的三维纳米多孔金膜上，用于电化学检测过氧化氢

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A fast, simple square wave potential method is developed for the fabrication of a three-dimensional (3D) nanoporous gold (NPG) film. The nanostructures are characterized and confirmed by scanning electronic microscopy (SEM) and cyclic voltammetry (CV). The nanostructures modified with self-assembled monolayers (SAMs) are employed as an electrode substrate to immobilize inorganic iron(iii) ion. After immobilization, iron(iii) ion undergoes an effective direct electron transfer reaction with a pair of well-defined redox peak at -256 ± 10 mV (pH 7.0). The iron(iii) ion modified electrode displays the excellent electrocatalytic performance for reduction of hydrogen peroxide, and thus can be used as an electrochemical sensor for detecting hydrogen peroxide with a low detection limit (1.0 × 10 ~(-9) M), a wide linear range (9.0 × 10 ~(-7)～5.0 × 10 ~(-4) M), as well as good stability, selectivity and reproducibility. This journal is
机译：开发了一种快速，简单的方波电势方法来制造三维（3D）纳米多孔金（NPG）膜。通过扫描电子显微镜（SEM）和循环伏安法（CV）对纳米结构进行表征和确认。用自组装单分子膜（SAMs）修饰的纳米结构被用作固定无机铁（iii）离子的电极基材。固定后，铁（iii）离子发生有效的直接电子转移反应，在-256±10 mV（pH 7.0）处有一对明确定义的氧化还原峰。铁（iii）离子修饰电极在还原过氧化氢方面表现出优异的电催化性能，因此可以用作检测限低（1.0×10〜（-9）M）的电化学传感器。线性范围宽（9.0×10〜（-7）〜5.0×10〜（-4）M），并且具有良好的稳定性，选择性和重现性。这本日记是

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