期刊
TALANTA
卷 174, 期 -, 页码 514-520出版社
ELSEVIER
DOI: 10.1016/j.talanta.2017.06.030
关键词
CuO; Binder-free; Non-enzymatic; Glucose biosensor
资金
- National Natural Science Funds [51521061]
- State Key Laboratory of Solidification Processing in NWPU [134-QP-2015]
- 111 Project [08040]
- Seed Foundation of Innovation and Creation for Graduate Students in Northwestern Polytechnical University [Z2017009]
3D binder-free CuO nanosheets wrapped nanofilms has been in situ synthesized on Cu substrate by a simple and facile procedure, with an aim of fabricating high-performance glucose sensor. The complex morphology that the nanosheet grown on Cu subtract evolved into nanofilms and eventually converged to nanowires, is benefit for the mass transport and electro-catalysis. Compared the ECSA of the CuO modified electrode to that of the bare Cu electrode, the effective surface area during the electro-catalysis of the CuO/Cu electrode is much larger. The glucose sensor based on CuO products exhibited high sensitivity (4201 mu A cm(-2) mM(-1)), low detection limit (0.5 mu mol/L) and quick response time (0.7 s). And the stability and selectivity is also fantastic. According to the serum sample analysis, it transpires that the CuO/Cu sensor displayed excellent recovery compared to the concentration values measured by medial method. So this material shows great potential applications in glucose sensors.
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