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Kwak, Sang Kyu
Kyu’s MolSim Lab @ UNIST
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dc.citation.number 36 -
dc.citation.startPage 1802191 -
dc.citation.title SMALL -
dc.citation.volume 14 - Chung, Dong Young - Yoo, Ji Mun - Park, Subin - Jung, Gwan Yeong - Kang, Jin Soo - Ahn, Chi-Yeong - Kwak, Sang Kyu - Sung, Yung-Eun - 2023-12-21T20:14:17Z - 2023-12-21T20:14:17Z - 2018-10-10 - 2018-09 -
dc.description.abstract Transition metal dichalcogenides, especially MoS2, are considered as promising electrocatalysts for hydrogen evolution reaction (HER). Since the physicochemical properties of MoS2 and electrode morphology are highly sensitive factor for HER performance, designed synthesis is highly pursued. Here, an in situ method to prepare a 3D carbon/MoS2 hybrid catalyst, motivated by the graphene ribbon synthesis process, is reported. By rational design strategies, the hybrid electrocatalysts with cross-connected porous structure are obtained, and they show a high HER activity even comparable to the state-of-the-art MoS2 catalyst without appreciable activity loss in long-term operations. Based on various physicochemical techniques, it is demonstrated that the synthetic procedure can effectively guide the formation of active site and 3D structure with a distinctive feature; increased exposure of active sites by decreased domain size and intrinsically high activity through controlling the number of stacking layers. Moreover, the importance of structural properties of the MoS2-based catalysts is verified by controlled experiments, validating the effectiveness of the designed synthesis approach. -
dc.identifier.bibliographicCitation SMALL, v.14, no.36, pp.1802191 -
dc.identifier.doi 10.1002/smll.201802191 -
dc.identifier.issn 1613-6810 -
dc.identifier.scopusid 2-s2.0-85052403077 -
dc.identifier.uri -
dc.identifier.url -
dc.identifier.wosid 000443812600017 -
dc.language 영어 -
dc.publisher WILEY-V C H VERLAG GMBH -
dc.title Edge-Terminated MoS2 Nanoassembled Electrocatalyst via In Situ Hybridization with 3D Carbon Network -
dc.type Article -
dc.description.isOpenAccess FALSE -
dc.relation.journalWebOfScienceCategory Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed Matter -
dc.relation.journalResearchArea Chemistry; Science & Technology - Other Topics; Materials Science; Physics -
dc.description.journalRegisteredClass scie -
dc.description.journalRegisteredClass scopus -
dc.subject.keywordAuthor 3D structure -
dc.subject.keywordAuthor edge exposure -
dc.subject.keywordAuthor electrocatalyst -
dc.subject.keywordAuthor hydrogen evolution -
dc.subject.keywordAuthor molybdenum disulfide -
dc.subject.keywordPlus HYDROGEN EVOLUTION REACTION -
dc.subject.keywordPlus MOLYBDENUM SULFIDE -
dc.subject.keywordPlus ACTIVE-SITES -
dc.subject.keywordPlus CATALYSTS -
dc.subject.keywordPlus NANOPARTICLES -
dc.subject.keywordPlus NANOSHEETS -
dc.subject.keywordPlus GRAPHENE -
dc.subject.keywordPlus SIZE -
dc.subject.keywordPlus NANOSTRUCTURES -
dc.subject.keywordPlus NANOMATERIALS -


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