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Fabrication and Characterization of Non-Enzymatic Glucose Sensor Based on Co3O4 Nanoparticles

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This paper reports the successful fabrication and characterization of highly sensitive non-enzymatic glucose sensor based on simply prepared Co3O4 nanoparticles (NPs). The Co3O4 NPs were synthesized by a self-supported and organics-free method. The prepared Co3O4 NPs were examined in detail by using various analytical methods which revealed that the synthesized nanoparticles are grown in very high density, possessing well-crystallinity and purity. The as-synthesized Co3O4 NPs were used for the fabrication of glucose chemical sensor which exhibited high sensitivity of 121.02 μA · mM–1 · cm–2, detection limit of 0.5 mM and wide linear range from 0.5 mM to 31.0 mM.
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Keywords: AMPEROMETRY; CO3O4 NANOPARTICLES; CYCLIC VOLTAMMETRY; NON-ENZYMATIC SENSOR

Document Type: Research Article

Publication date: 01 January 2014

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