期刊
JOURNAL OF APPLIED ELECTROCHEMISTRY
卷 45, 期 2, 页码 131-138出版社
SPRINGER
DOI: 10.1007/s10800-014-0779-7
关键词
CuO; Glucose; non-enzymatic sensor; Microspheres; Core-in-hollow-shell
资金
- National Natural Science Foundation of China [21002082]
- Science & Technology Innovation Talents in Universities of Henan Province [13HASTIT012]
- College Outstanding Teachers Program of Henan Province [2012GGJS-128]
- Science and Technology Key Project of Henan Education Department [12A150020]
- Program for University Innovative Research Team of Henan [2012IRTSHN017]
Mesoporous CuO microspheres with core-in-hollow-shell structure were synthesized by one-pot hydrothermal method, using dicyandiamide as hydrolysis agent and poly(vinylpyrrolidone) as soft template. The as-synthesized CuO microspheres were characterized by powder X-ray diffraction, field-emission scanning electron microscopy and N-2 sorption measurements. The core-in-hollow-shelled CuO microspheres exhibit greatly enhanced amperometric response towards glucose as compared to that of the simple hollow counterpart. The as-developed non-enzymatic glucose sensor exhibited favorable performance with wide linear range (0.005-7.95 mM), sensitivity of 622.2 mu A mM cm(-2) and low detection limit of 1 mu M.
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