期刊
SCIENCE OF ADVANCED MATERIALS
卷 4, 期 9, 页码 994-1000出版社
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/sam.2012.1399
关键词
ZnO Nanoparticles; Non-Enzymatic; Glucose Sensor; Cyclic Voltammetry
资金
- Department of Science and Technology (DST) India
- Ministry of Higher Education, Kingdom of Saudi Arabia [24/3/1432 H]
- Promising Centre for Sensor and Electronic Device project [PCSED-02-11]
In this paper, well-crystallized ZnO nanoparticles were rapidly synthesized by facile simple solution process at low temperature and used as an efficient electron mediator for the fabrication of non-enzymatic glucose sensor. The synthesized nanoparticles were characterized in terms of their morphological, structural and compositional properties. The detailed morphological characterizations confirmed the large-scale synthesis of well-crystalline wurtzite hexagonal phase ZnO nanoparticles with the typical sizes of 35 +/- 5 nm. The as-synthesized nanoparticles were effectively used as an electrode material for the fabrication of efficient, highly sensitive and reproducible non-enzymatic glucose sensor. The fabricated glucose sensor shows a high and reproducible sensitivity of 38.133 mu A/cm(2) mM with a response time less than 5 s. A linear dynamic range from 1 similar to 10 mM and correlation coefficient of R = 0.9988 were observed for the fabricated sensor. The presented work demonstrated that the synthesized ZnO nanomaterials could act as effective electron mediators for the fabrication of efficient non-enzymatic glucose sensors.
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