Journal
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
Volume 14, Issue 5, Pages 3569-3574Publisher
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2014.7918
Keywords
CuO Spheres Composed of Nanobricks; Non-Enzymatic; Glucose Sensor; Amperometric Technique
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Funding
- Deanship of Scientific Research (DSR), King Abdulaziz University, Jeddah [363-004-D1433]
- DSR
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CuO spheres composed of finely arranged nanobricks were synthesized by simple and facile hydrothermal process and used as efficient electron mediators for the fabrication of highly sensitive non-enzymatic glucose sensor. The CuO spheres were synthesized at low-temperature of similar to 130 degrees C and characterized in terms of their morphological, compositional, and structural properties. The morphological investigations revealed that the synthesized CuO powder possess spherical shapes and made of several CuO nanobricks. The detailed structural characterizations exhibited that the synthesized CuO spheres are nanocrystalline and possessing monoclinic structure. The fabricated glucose sensor based on CuO spheres exhibits a high sensitivity of similar to 164.2523 mu A mM(-1) cm(-2) and experimental detection limit of similar to 39 mu M with a quick response time of similar to 10.0 s. The presented work shows that the easily prepared CuO nanomatenals can be used as efficient electron mediators for the fabrication of high sensitive non-enzymatic glucose sensors.
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