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Electrolyte-controllable synthesis of CuXO with novel morphology and their application in glucose sensors

机译：新型可控电解质合成新型CuXO及其在葡萄糖传感器中的应用

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摘要

The CuxO microanomaterials with various novel morphologies have been synthesized on the surface of copper foil by a simple electrochemical method. The morphology of the CuxO crystal could be controlled by adjusting the electrolyte solution. The structure and morphology of as-prepared CuxO microanomaterials were determined by scanning electron microscopy, elemental analysis, X-ray photoelectron spectroscopy and X-ray powder diffraction. The formation mechanism of these CuxO microanomaterials was discussed. The CuxO microanomaterial electrodes showed good electrocatalytic activity toward glucose oxidation and the performance of nonenzymatic glucose sensors based on these CuxO microanomaterials was investigated in detail. As a typical representative, the nonenzymatic glucose sensor based on the CuxONaClO4+CoCl2+SDS microanomaterials showed a wide linear range of 0.025-9.05 mM and a low detection limit of 14.3 +/- 0.6 mu M. The green synthetic method of simply adjusting the electrolyte is not only suitable for synthesis of CuxO with various morphologies, but also provides an easy way to prepare other metal oxide with different morphologies for constructing nonenzymatic glucose sensors.
机译：通过简单的电化学方法，在铜箔表面合成了具有各种新颖形貌的CuxO微/纳米材料。 CuxO晶体的形态可以通过调节电解质溶液来控制。通过扫描电子显微镜，元素分析，X射线光电子能谱和X射线粉末衍射来确定所制备的CuxO微米/纳米材料的结构和形态。讨论了这些CuxO微/纳米材料的形成机理。 CuxO微米/纳米材料电极对葡萄糖氧化显示出良好的电催化活性，并详细研究了基于这些CuxO微米/纳米材料的非酶葡萄糖传感器的性能。作为典型代表，基于CuxONaClO4 + CoCl2 + SDS微/纳米材料的非酶促葡萄糖传感器显示0.025-9.05 mM的宽线性范围和14.3 +/- 0.6μM的低检测限。简单的绿色合成方法调节电解质不仅适合于合成具有各种形态的CuxO，而且还提供了一种简便的方法来制备具有不同形态的其他金属氧化物以构建非酶促葡萄糖传感器。

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