ABSTRACT
The electrochemical sensing performance of metal-graphene hybrid based sensor may be significantly decreased due to the
dissolution and aggregation of metal catalyst during operation. For the first time, we developed a novel large-area high quality
three dimensional graphene foam-incorporated gold nanoparticles (3D-GF@Au) via chemical vapor deposition method
and employed as free-standing electrocatalysis for non-enzymatic electrochemical glucose detection. 3D-GF@Au based
sensor is capable to detect glucose with a wide linear detection range of 2.5 μM to 11.6 mM, remarkable low detection
limit of 1 μM, high selectivity, and good stability. This was resulted from enhanced electrochemical active sites and charge
transfer possibility due to the stable and uniform distribution of Au NPs along with the enhanced interactions between Au
and GF. The obtained results indicated that 3D-GF@Au hybrid can be expected as a high quality candidate for non-enzymatic
glucose sensor application.

Author

Quoc Bao Bui1, Dang Mao Nguyen2*, Thi Mai Loan Nguyen3, Lee Ku Kwac4, Hong Gun Kim4,
Sang Cheol Ko4, and Hun Jeong4*
1Sustainable Developments in Civil Engineering Research Group, Faculty of Civil Engineering, Ton Duc Thang University,
Ho Chi Minh City, Vietnam
2Department of Polymer and Composite Materials, Faculty of Material Science, University of Science, Vietnam National
University Ho Chi Minh city (VNU), Vietnam
3The National Centre of Drug Information and Adverse Drug Reaction Monitoring, Hanoi University of Pharmacy, Hanoi, Vietnam
4Institute of Carbon Technology, Jeonju University, Jeonju, Jeonbuk 55069, Republic of Korea