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- Title
Synthesis of CuCo<sub>2</sub>O<sub>4</sub> hollow spheres and application in electrochemical sensing.
- Authors
LIU Fangqing; DING Lei; WANG Xiaohong; TU Jinchun
- Abstract
To obtain high performance glucose sensor electrode material, CuCo2C4 precursors were prepared by solvothermal method using Cu(NO3)2 and Co(NO3)2 as metal sources in a mixed solvent system of glycerol and isopropanol, followed by calcination to obtain CuCo2C4 hollow structure. The composition, structure and morphology of the samples were characterized by X-ray powder diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). It is con-firmed that the obtained samples are spinel CuCo2C4 hollow spheres and the shell surface has a large number of pore structures formed by the accumulation of nanoparticles. The detection limit of glucose based on this material modified electrode is as low as 2.6 nmol/L (S/N=3), the sensitivity is as high as 1 854.87 µA ⋅ (mmol/L)-1 ⋅ cm-2, the linear detection range is 0~750 µmol/L, and has good anti-interference.
- Publication
China Sciencepaper, 2018, Vol 13, Issue 12, p1375
- ISSN
2095-2783
- Publication type
Article