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Kwon, Soon-Yong
Frontier, Innovative Nanomaterials & Devices (FIND) Lab
Research Interests
  • Semiconductor Epitaxy, thin film technology & surface/ interface Science

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Design of 2D Layered Catalyst by Coherent Heteroepitaxial Conversion for Robust Hydrogen Generation

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dc.contributor.author Sim, Yeoseon ko
dc.contributor.author Yoon, Aram ko
dc.contributor.author Kang, Hee Seong ko
dc.contributor.author Kwak, Jinsung ko
dc.contributor.author Kim, Se‐Yang ko
dc.contributor.author Jo, Yongsu ko
dc.contributor.author Choe, Daeseong ko
dc.contributor.author Na, Woongki ko
dc.contributor.author Lee, Min Hee ko
dc.contributor.author Park, Soon‐Dong ko
dc.contributor.author Song, Seunguk ko
dc.contributor.author Kim, Daeyong ko
dc.contributor.author Yoo, Jung-Woo ko
dc.contributor.author Kim, Sung Youb ko
dc.contributor.author Cheong, Hyeonsik ko
dc.contributor.author Lee, Jae Sung ko
dc.contributor.author Lee, Chul‐Ho ko
dc.contributor.author Lee, Zonghoon ko
dc.contributor.author Kwon, Soon-Yong ko
dc.date.available 2020-12-24T00:36:54Z -
dc.date.created 2020-12-17 ko
dc.date.issued 2021-02 ko
dc.identifier.citation ADVANCED FUNCTIONAL MATERIALS, v.31, no.9, pp.2005449 ko
dc.identifier.issn 1616-301X ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/49008 -
dc.description.abstract The structural engineering of 2D layered materials is emerging as a powerful strategy to design catalysts for high-performance hydrogen evolution reaction (HER). However, the ultimate test of this technology under typical operating settings lies in the reduced performance and the shortened lifespan of these catalysts. Here, a novel approach is proposed to design efficient and robust HER catalysts through out-of-plane deformation of 2D heterojunction using metal-organic chemical vapor deposition. High-yield, single-crystalline WTe2 nanobelts are used as an epitaxial template for their coherent conversion to WS2. During the conversion process, the WTe2/WS2 heterostructure containing both lateral and vertical junctions are achieved by coherent heteroepitaxial stacking despite differences in symmetry. The lattice coherency drives out-of-plane deformation of heteroepitaxially grown WS2. The increase in the effective surface area and decrease in the electron-transfer resistance across the 2D heterojunctions in turn enhances the HER performance as well as the long-term durability of these electrocatalysts. ko
dc.language 영어 ko
dc.publisher WILEY-V C H VERLAG GMBH ko
dc.title Design of 2D Layered Catalyst by Coherent Heteroepitaxial Conversion for Robust Hydrogen Generation ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-85097201854 ko
dc.identifier.wosid 000596165400001 ko
dc.type.rims ART ko
dc.identifier.doi 10.1002/adfm.202005449 ko
dc.identifier.url https://onlinelibrary.wiley.com/doi/10.1002/adfm.202005449 ko
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