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http://bura.brunel.ac.uk/handle/2438/19600
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DC Field | Value | Language |
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dc.contributor.author | Saykar, N | - |
dc.contributor.author | Phatangare, A | - |
dc.contributor.author | Banerjee, I | - |
dc.contributor.author | Bhoraskar, V | - |
dc.contributor.author | Ray, A | - |
dc.contributor.author | Mahapatra, S | - |
dc.date.accessioned | 2019-11-15T13:14:29Z | - |
dc.date.available | 2019-07-17 | - |
dc.date.available | 2019-11-15T13:14:29Z | - |
dc.date.issued | 2019-08-16 | - |
dc.identifier.citation | 2D Materials, 2019, 6(4) 045030 (12) | en_US |
dc.identifier.issn | 2053-1583 | - |
dc.identifier.uri | https://bura.brunel.ac.uk/handle/2438/19600 | - |
dc.description.abstract | We report an in situ synthesis of ruthenium-reduced graphene oxide (Ru-rGO) using 6 MeV electron beam assisted radiolytic reduction method and its supercapacitive behavior. X-ray diffraction (XRD), transmission electron microscopy (TEM) and field emission scanning electron microscopy (FESEM) explore Ru nanoparticles of size ~2 nm are decorated on rGO sheets. Raman spectroscopy shows I D/I G ratio increased and formation of bilayer rGO after electron beam irradiation. The defect density in Ru-rGO is increased due to the electron beam irradiation as compared to its counterpart GO. The Ru-rGO based supercapacitor exhibits specific capacitance (128.1 ± 5.59) F g−1 at 10 mV s−1 scan rate. The specific capacitance retention of Ru-rGO is up to 99.4% at 900 cycles while it increases to 130% at 5000 cycles. Discharge curve of the supercapacitor involves three current decay processes viz. activation polarization, ohmic polarization and concentration polarization. The highest energy density of (4.125 ± 0.19) W h kg−1 and power density of 1.44 kW kg−1 are achieved with Ru-rGO supercapacitor. This unique electron beam assisted techniques illustrates a promising method of the fabrication of high performance supercapacitor. | en_US |
dc.description.sponsorship | BRNS (Research project Number 34/14/05/2015/BRNS), Government of India | en_US |
dc.format.extent | 1 - 12 | - |
dc.language.iso | en | en_US |
dc.publisher | IOP Publishing | en_US |
dc.subject | electron beam irradiation | en_US |
dc.subject | supercapacitor | en_US |
dc.subject | Ru-rGO | en_US |
dc.title | Electron Beam Induced Synthesis of Ru-rGO and its Super Capacitive Behavior | en_US |
dc.type | Article | en_US |
dc.identifier.doi | https://doi.org/10.1088/2053-1583/ab3304 | - |
dc.relation.isPartOf | 2D Materials | - |
pubs.publication-status | Published | - |
Appears in Collections: | Dept of Mechanical and Aerospace Engineering Research Papers |
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FullText.pdf | 2.51 MB | Adobe PDF | View/Open |
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