期刊
ELECTROCHIMICA ACTA
卷 176, 期 -, 页码 1272-1279出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2015.07.143
关键词
Porous reduced graphene oxide; Copper oxide; Hydrothermal; Non-enzymatic glucose detection
资金
- National Natural Science Foundation of China [21405011]
Copper oxide nanoparticles were anchored on porous reduced graphene oxide (PrGO) by a simple and mild hydrothermal method. The as-prepared product was characterized by X-ray diffraction, N-2 adsorption-desorption isotherms, scanning electron microscopy, and used to build a novel glucose sensor. The CuO/PrGO nanocomposite showed an enhanced electrocatalytic activity to direct glucose oxidation compared with the non-porous reduced graphene oxide-CuO (CuO/rGO). The CuO/PrGO modified glass carbon electrode (CuO/PrGO-GCE) responded linearly to glucose in the range of 0.001 to 6 mM and the detection limit of the transducer was found to be 0.50 mu M. High reproducibility, wide linear range, good anti-interference, stability and enough precision in real sample analysis made it promising for the development of enzyme-free sensors. (C) 2015 Elsevier Ltd. All rights reserved.
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