Nonenzymatic glucose sensor based on Cu–Cu2S nanocomposite electrode
Nonenzymatic glucose sensor based on Cu–Cu2S nanocomposite electrode
复制标题
基于Cu-Cu2S纳米复合电极的非酶葡萄糖传感器
DOI:
10.1016/j.elecom.2012.08.014
复制
发表时间:
2012-10
影响因子:
5.4
通讯作者:
Guangfeng Wang
中科院分区:
文献类型:
--
作者:
Xiaojun Zhang;Lingling Wang;Rong Ji;Liutao Yu;Guangfeng Wang
Cu2S nanoplates (named Cu2S NPs) were synthesized on the Cu substrate by a simple etching method. The morphology and structure of Cu2S NPs were characterized by scanning electron microscopy and X-ray diffraction. Then the Cu–Cu2S composites were directly used as electrode to nonenzymatic detect glucose. The electrochemical study has demonstrated that the Cu–Cu2S electrode shows a perfect catalytic effect on the glucose due to the large surface area of Cu2S nanoplates and high electric conductivity of Cu rod. At an applied potential of −0.10V, the sensor produces an ultra high sensitivity of 361.58μAmM−1with a low detection limit of 0.1μM (S/N=3). What's more, the proposed sensor displays excellent selectivity, good stability, and satisfying repeatability.
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影响因子:
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作者:
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通讯作者:
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