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Low-cost and facile synthesis of Ni(OH)(2)/ZnO nanostructures for high-sensitivity glucose detection

机译:用于高灵敏度葡萄糖检测的Ni(OH)(2)/ ZnO纳米结构的低成本和容易合成

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摘要

An efficient electrode for non-enzymatic glucose detection is produced with low-cost techniques on a Cu wire. ZnO nanorods (NRs) were grown on a Cu wire by chemical bath deposition and were used as the substrate for pulsed electrodeposition of nanostructured Ni(OH)(2) flakes. The effect of the electrodeposition potential on the final morphology and electrochemical behavior of the Ni(OH)(2)/ZnO/Cu structures is reported. ZnO NRs resulted to be well dressed by Ni(OH)(2) flakes and were tested as glucose sensing electrodes in 0.1 M NaOH solution, showing high sensitivities (up to 3 mA mM(-1) cm(-2)) and long-term stability. The presence of ZnO NRs was shown to improve the performance of the glucose sensor in terms of electrochemical stability over the time and sensitivity compared to Ni(OH)(2)/Cu sample. The reported data demonstrate a simple, versatile and low-cost fabrication approach for effective glucose sensing system within a urban mines framework.
机译:用于非酶促葡萄糖检测的有效电极,在Cu线上以低成本技术生产。 通过化学浴沉积在Cu丝上生长ZnO纳米棒(NRS),用作纳米结构Ni(OH)(2)薄片的脉冲电沉积的基材。 报道了电沉积电位对Ni(OH)(2)/ ZnO / Cu结构的最终形态和电化学行为的影响。 ZnO NRS产生良好的Ni(OH)(2)薄片,并在0.1M NaOH溶液中被测试为葡萄糖感测电极,显示出高敏感性(最多3 mm(-1)cm(-2))和长 - 稳定性。 显示ZnO NRS的存在在与Ni(OH)(2)/ Cu样品相比的时间和灵敏度随时间和灵敏度方面提高葡萄糖传感器的性能。 报告的数据展示了城市矿山框架内有效葡萄糖传感系统的简单,多功能和低成本的制造方法。

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