Journal
KOREAN JOURNAL OF CHEMICAL ENGINEERING
Volume 37, Issue 9, Pages 1589-1598Publisher
KOREAN INSTITUTE CHEMICAL ENGINEERS
DOI: 10.1007/s11814-020-0531-4
Keywords
Graphitic Carbon Nitride; Nickel Oxide; Glucose Sensor; Non-enzymatic Sensor; Supercapacitor
Funding
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Science, ICT and Future Planning [2019R1A2B5B02069683]
- National Research Foundation of Korea [2019R1A2B5B02069683] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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A multi-functional NiO/g-C3N4(NC) hybrid nanostructure was synthesized by a hydrothermal process using melamine and Ni(OH)(2)as precursors followed by thermal treatment. The optimal conditions were determined by studying the process conditions, such as the Ni(OH)(2)to melamine ratio and thermal treatment temperature. The NC prepared in this study exhibited both excellent glucose sensing properties and supercapacitor properties. A very high glucose sensitivity, as high as 5,387.1 mu A mM(-1)cm(-2), and excellent energy density of 49.6 Wh kg(-1)at a power density of 1,064.2 W kg(-1)were obtained when NC was used as the electrode material for glucose sensing and symmetric supercapacitor, respectively. A flexible glucose sensing device using a flexible substrate and self-powered glucose sensor system that used the same material (NC) for the both power supply and sensing devices were also demonstrated.
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