Full metadata record
DC Field | Value | Language |
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dc.contributor.author | Hunge, Yuvaraj M. | - |
dc.contributor.author | Yadav, A.A. | - |
dc.contributor.author | Kang, Seok-Won | - |
dc.contributor.author | Kim, Hyunmin | - |
dc.contributor.author | Fujishima, Akira | - |
dc.contributor.author | Terashima, Chiaki | - |
dc.date.accessioned | 2021-07-26T20:02:30Z | - |
dc.date.available | 2021-07-26T20:02:30Z | - |
dc.date.created | 2021-07-08 | - |
dc.date.issued | 2021-10 | - |
dc.identifier.issn | 0304-3894 | - |
dc.identifier.uri | http://hdl.handle.net/20.500.11750/13892 | - |
dc.description.abstract | Catalytic reduction of nitroaromatic compounds present in wastewater by nanostructured materials is a promising process for wastewater treatment. A multifunctional electrode based on ternary spinal nickel cobalt oxide is used in the catalytic reduction of a nitroaromatic compound and supercapacitor application. In this study, we designed nanoflakes- like nickel cobaltite (NiCo2O4) using a simple, chemical, cost-effective hydrothermal method. Nanoflakes- like NiCo2O4 samples are tested as catalysts toward rapid reduction of 4-nitrophenol and as electrode materials for supercapacitors. The conversion of 4-nitrophenol into 4-aminophenol is achieved using a reducing agents like sodium borohydride and NiCo2O4 catalyst. Effect of catalyst loading, 4-nitrophenol and sodium borohydride concentrations on the catalytic performance of 4-nitrophenol is studied. As sodium borohydride concentration increases the catalytic efficiency of 4-nitrophenol increased due to more BH4- ions available which provides more electrons for catalytic reduction of 4-nitrophenol. Catalytic reduction of 4-nitrophenol using sodium borohydride as a reducing agent was based on the Langmuir–Hinshelwood mechanism. This mechanism follows the apparent pseudo first order reaction kinetics. Additionally, NiCo2O4 electrode is used for energy storage application. The nanoflakes-like NiCo2O4 electrode deposited at 120 °C shows a higher specific capacitance than samples synthesized at 100 and 140 °C. The maximum specific capacitance observed for NiCo2O4 electrode is 1505 Fg−1 at a scan rate of 5 mV s−1 with high stability of 95% for 5000 CV cycles. © 2021 Elsevier B.V. | - |
dc.language | English | - |
dc.publisher | Elsevier B.V. | - |
dc.title | Nanoflakes-like nickel cobaltite as active electrode material for 4-nitrophenol reduction and supercapacitor applications | - |
dc.type | Article | - |
dc.identifier.doi | 10.1016/j.jhazmat.2021.126453 | - |
dc.identifier.wosid | 000694784800005 | - |
dc.identifier.scopusid | 2-s2.0-85108956339 | - |
dc.identifier.bibliographicCitation | Journal of Hazardous Materials, v.419, pp.126453 | - |
dc.description.isOpenAccess | FALSE | - |
dc.subject.keywordAuthor | Hydrothermal method | - |
dc.subject.keywordAuthor | NiCo2O4 nanoflakes | - |
dc.subject.keywordAuthor | Catalytic reduction | - |
dc.subject.keywordAuthor | 4-Nitrophenol | - |
dc.subject.keywordAuthor | Electrochemical properties | - |
dc.subject.keywordAuthor | Supercapacitors | - |
dc.subject.keywordPlus | HIGH-PERFORMANCE SUPERCAPACITOR | - |
dc.subject.keywordPlus | SUPERIOR CATALYTIC-ACTIVITY | - |
dc.subject.keywordPlus | P-NITROPHENOL | - |
dc.subject.keywordPlus | PHOTOCATALYTIC DEGRADATION | - |
dc.subject.keywordPlus | FACILE SYNTHESIS | - |
dc.subject.keywordPlus | ENERGY-STORAGE | - |
dc.subject.keywordPlus | THIN-FILM | - |
dc.subject.keywordPlus | 4-NITROPHENOL | - |
dc.subject.keywordPlus | NANOPARTICLES | - |
dc.subject.keywordPlus | ARRAYS | - |
dc.citation.startPage | 126453 | - |
dc.citation.title | Journal of Hazardous Materials | - |
dc.citation.volume | 419 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Engineering; Environmental Sciences & Ecology | - |
dc.relation.journalWebOfScienceCategory | Engineering, Environmental; Environmental Sciences | - |
dc.type.docType | Article | - |
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