Facile synthesis of W2C@WS2 alloy nanoflowers and their hydrogen generation performance
DC Field | Value | Language |
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dc.contributor.author | Thang Phan Nguyen | - |
dc.contributor.author | Kim, Soo Young | - |
dc.contributor.author | Lee, Tae Hyung | - |
dc.contributor.author | Jang, Ho Won | - |
dc.contributor.author | Quyet Van Le | - |
dc.contributor.author | Kim, Il Tae | - |
dc.date.available | 2020-03-03T06:42:11Z | - |
dc.date.created | 2020-02-24 | - |
dc.date.issued | 2020-02 | - |
dc.identifier.issn | 0169-4332 | - |
dc.identifier.uri | https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/17603 | - |
dc.description.abstract | Two-dimensional transition metal dichalcogenides such as MoS2 and WS2 nanosheets, nanoflowers, and nanoparticles have been investigated as potential materials for the hydrogen evolution reaction (HER). Besides 2D-TMDs, MXene materials, which are transition metal carbides/nitrides, are promising candidates for energy storage and conversion applications. In this work, alloys of tungsten carbides and tungsten disulfides have been fabricated through a facile hydrothermal method without using any complex structure of carbon or polymer source for carbonization. The fabricated alloys were characterized by X-ray diffraction analysis, field emission scanning microscopy, atomic force microscopy, Raman spectra, and X-ray photoelectron spectroscopy. The results indicated both W2C and WS2 have hexagonal structure in the alloy compound. W2C@WS2 nanomaterials exhibit abundant flower-shaped active sites ranging from 200 to 400 nm in size. The catalytic behavior of these alloys in the HER was studied through a three-electrode system. The results indicated that the catalytic performance was better than those of previous research and that the flower-shaped nanomaterials were superior to nanosheets, with a high double-layer capacitance of 12 mF cm(-2). This work, thus, introduced a simple approach to the synthesis of transition metal carbide/chalcogenide composites and demonstrated that these materials are promising in energy generation and storage applications. | - |
dc.language | 영어 | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER | - |
dc.relation.isPartOf | APPLIED SURFACE SCIENCE | - |
dc.title | Facile synthesis of W2C@WS2 alloy nanoflowers and their hydrogen generation performance | - |
dc.type | Article | - |
dc.type.rims | ART | - |
dc.description.journalClass | 1 | - |
dc.identifier.wosid | 000502040600038 | - |
dc.identifier.doi | 10.1016/j.apsusc.2019.144389 | - |
dc.identifier.bibliographicCitation | APPLIED SURFACE SCIENCE, v.504 | - |
dc.identifier.scopusid | 2-s2.0-85074384986 | - |
dc.citation.title | APPLIED SURFACE SCIENCE | - |
dc.citation.volume | 504 | - |
dc.contributor.affiliatedAuthor | Thang Phan Nguyen | - |
dc.contributor.affiliatedAuthor | Kim, Il Tae | - |
dc.type.docType | Article | - |
dc.subject.keywordAuthor | Tungsten disulfide | - |
dc.subject.keywordAuthor | Tungsten carbide | - |
dc.subject.keywordAuthor | Nanoflowers | - |
dc.subject.keywordAuthor | W2C@WS2 composite | - |
dc.subject.keywordAuthor | Hydrogen evolution reaction | - |
dc.subject.keywordPlus | MOS2 NANOSHEETS | - |
dc.subject.keywordPlus | EVOLUTION REACTION | - |
dc.subject.keywordPlus | TUNGSTEN CARBIDE | - |
dc.subject.keywordPlus | WS2 NANOFLOWERS | - |
dc.subject.keywordPlus | NANOPARTICLES | - |
dc.subject.keywordPlus | CATALYSTS | - |
dc.subject.keywordPlus | GRAPHENE | - |
dc.subject.keywordPlus | LAYERS | - |
dc.subject.keywordPlus | HOLE | - |
dc.subject.keywordPlus | ELECTROCATALYSTS | - |
dc.relation.journalResearchArea | Chemistry | - |
dc.relation.journalResearchArea | Materials Science | - |
dc.relation.journalResearchArea | Physics | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Physical | - |
dc.relation.journalWebOfScienceCategory | Materials Science, Coatings & Films | - |
dc.relation.journalWebOfScienceCategory | Physics, Applied | - |
dc.relation.journalWebOfScienceCategory | Physics, Condensed Matter | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
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