期刊
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
卷 120, 期 -, 页码 12-19出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jpcs.2018.04.015
关键词
Ni/Cu/CNTS; Electrophoretic deposition; Cyclic voltammetry; Nonenzymatic; Sensor; Glucose
The uniform and homogeneous carbon nanotubes thin film was electrophoreticaly deposited and decorated with nickel (Ni) and copper (Cu) nanostructures for Ni/Cu/CNTs nanocomposite electrode as a sensor for enzyme free glucose detection. The CNTs film on fluorine-doped tin oxide (FTO) glass confined the growth of Ni and Cu nanoparticles by electrochemical deposition through cyclic voltammetry (CV). The fabricated nanocomposite electrode replaced the expensive glassy carbon electrode in efficiency. The electrocatalytic glucose oxidation behavior of sensing electrode was analyzed by amperometric measurements and cyclic voltammetry in the presence of alkaline medium. The fabricated nanocomposite electrode exhibited higher sensitivity 1836.5 mu AmM-1 cm(-2), fast response time of 1 s, linear wide range of concentration (0.02 mM-4.5 mM) and low glucose detection value of 2.0 mu M. The simple fabrication process of sensing electrode makes Ni/Cu/CNTs an efficient nanocomposite for efficient glucose detection with high reproducibility.
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