Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/99657
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dc.contributor.authorDong, Xiaochenen
dc.contributor.authorCao, Yunfaen
dc.contributor.authorWang, Jingen
dc.contributor.authorChan-Park, Mary B.en
dc.contributor.authorWang, Lianhuien
dc.contributor.authorHuang, Weien
dc.contributor.authorChen, Pengen
dc.date.accessioned2013-06-25T02:03:17Zen
dc.date.accessioned2019-12-06T20:09:55Z-
dc.date.available2013-06-25T02:03:17Zen
dc.date.available2019-12-06T20:09:55Z-
dc.date.copyright2012en
dc.date.issued2012en
dc.identifier.citationDong, X., Cao, Y., Wang, J., Chan-Park, M. B., Wang, L., Huang, W., et al. (2012). Hybrid structure of zinc oxide nanorods and three dimensional graphene foam for supercapacitor and electrochemical sensor applications. RSC Advances, 2(10), 4364-4369.en
dc.identifier.issn2046-2069en
dc.identifier.urihttps://hdl.handle.net/10356/99657-
dc.description.abstractA hybrid structure of zinc oxide (ZnO) on three dimensional (3D) graphene foam has been synthesized by chemical vapor deposition (CVD) growth of graphene followed by a facial in situ precipitation of ZnO nanorods under hydrothermal conditions. Scanning electron microscopy (SEM) and X-ray diffraction (XRD) are used to characterize the morphology and structure of graphene/ZnO hybrids. The results show that the ZnO nanorods have high crystallinity and cluster uniformly on graphene skeleton to form flower-like nanostructures. Serving as a free-standing electrode, the electrochemical and biosensing performance of graphene/ZnO hybrids are studied by cyclic voltammetry, electrochemical impedance spectroscopy, galvanostatic charge–discharge and amperometric measurements. It is found that the graphene/ZnO hybrids display superior capacitive performance with high specific capacitance (~400 F g−1) as well as excellent cycle life, making them suitable for high-performance energy storage applications. Furthermore, the graphene/ZnO hybrids exhibit high sensitivity for detection of [Fe(CN)6]3+ and dopamine, with the extrapolated lower detection limits of ~1.0 μM and ~10.0 nM respectively. These results demonstrate the potential of free-standing graphene/ZnO hybrid electrodes for the development of highly sensitive electrochemical sensors.en
dc.language.isoenen
dc.relation.ispartofseriesRSC advancesen
dc.rights© 2012 The Royal Society of Chemistry.en
dc.titleHybrid structure of zinc oxide nanorods and three dimensional graphene foam for supercapacitor and electrochemical sensor applicationsen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Chemical and Biomedical Engineeringen
dc.identifier.doi10.1039/c2ra01295ben
item.fulltextNo Fulltext-
item.grantfulltextnone-
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