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Sensors 2013, 13(6), 7926-7938; doi:10.3390/s130607926

Synthesis of Novel CuO Nanosheets and Their Non-Enzymatic Glucose Sensing Applications

1
Physical Electronics and Nanotechnology Division, Department of Science and Technology, Campus Norrköping, Linköping University, SE-601 74 Norrköping, Sweden
2
Biosensors and Bioelectronics Centre, Department of Physics, Chemistry & Biology (IFM), Linköping University, SE-581 83 Linköping, Sweden
3
Department of Physics, Chemistry & Biology (IFM), Linköping University, SE-581 83 Linköping, Sweden
*
Author to whom correspondence should be addressed.
Received: 6 May 2013 / Revised: 7 June 2013 / Accepted: 14 June 2013 / Published: 20 June 2013
(This article belongs to the Section Chemical Sensors)
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Abstract

In this study, we have developed a sensitive and selective glucose sensor using novel CuO nanosheets which were grown on a gold coated glass substrate by a low temperature growth method. X-ray differaction (XRD) and scanning electron microscopy (SEM) techniques were used for the structural characterization of CuO nanostructures. CuO nanosheets are highly dense, uniform, and exhibited good crystalline array structure. X-ray photoelectron spectroscopy (XPS) technique was applied for the study of chemical composition of CuO nanosheets and the obtained information demonstrated pure phase CuO nanosheets. The novel CuO nanosheets were employed for the development of a sensitive and selective non-enzymatic glucose sensor. The measured sensitivity and a correlation coefficient are in order 5.20 × 102 µA/mMcm2 and 0.998, respectively. The proposed sensor is associated with several advantages such as low cost, simplicity, high stability, reproducibility and selectivity for the quick detection of glucose. View Full-Text
Keywords: CuO nanosheets; hydrothermal growth method; non-enzymatic glucose sensor; selectivity; reproducibility CuO nanosheets; hydrothermal growth method; non-enzymatic glucose sensor; selectivity; reproducibility
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Ibupoto, Z.H.; Khun, K.; Beni, V.; Liu, X.; Willander, M. Synthesis of Novel CuO Nanosheets and Their Non-Enzymatic Glucose Sensing Applications. Sensors 2013, 13, 7926-7938.

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