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https://hdl.handle.net/10356/99657
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DC Field | Value | Language |
---|---|---|
dc.contributor.author | Dong, Xiaochen | en |
dc.contributor.author | Cao, Yunfa | en |
dc.contributor.author | Wang, Jing | en |
dc.contributor.author | Chan-Park, Mary B. | en |
dc.contributor.author | Wang, Lianhui | en |
dc.contributor.author | Huang, Wei | en |
dc.contributor.author | Chen, Peng | en |
dc.date.accessioned | 2013-06-25T02:03:17Z | en |
dc.date.accessioned | 2019-12-06T20:09:55Z | - |
dc.date.available | 2013-06-25T02:03:17Z | en |
dc.date.available | 2019-12-06T20:09:55Z | - |
dc.date.copyright | 2012 | en |
dc.date.issued | 2012 | en |
dc.identifier.citation | Dong, 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.issn | 2046-2069 | en |
dc.identifier.uri | https://hdl.handle.net/10356/99657 | - |
dc.description.abstract | A 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.iso | en | en |
dc.relation.ispartofseries | RSC advances | en |
dc.rights | © 2012 The Royal Society of Chemistry. | en |
dc.title | Hybrid structure of zinc oxide nanorods and three dimensional graphene foam for supercapacitor and electrochemical sensor applications | en |
dc.type | Journal Article | en |
dc.contributor.school | School of Chemical and Biomedical Engineering | en |
dc.identifier.doi | 10.1039/c2ra01295b | en |
item.fulltext | No Fulltext | - |
item.grantfulltext | none | - |
Appears in Collections: | SCBE Journal Articles |
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