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Kwak, Sang Kyu
Kyu’s MolSim Lab @ UNIST
Research Interests
  • Molecular modeling and simulation, statistical thermodynamics, molecular physics

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Designed three-dimensional freestanding single-crystal carbon architectures

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dc.contributor.author Park, Ji-Hoon ko
dc.contributor.author Cho, Dae-Hyun ko
dc.contributor.author Moon, Youngkwon ko
dc.contributor.author Shin, Ha-Chul ko
dc.contributor.author Ahn, Sung-Joon ko
dc.contributor.author Kwak, Sang Kyu ko
dc.contributor.author Shin, Hyeon-Jin ko
dc.contributor.author Lee, Changgu ko
dc.contributor.author Ahn, Joung Rea ko
dc.date.available 2014-12-18T00:08:35Z -
dc.date.created 2014-12-17 ko
dc.date.issued 2014-11 ko
dc.identifier.citation ACS NANO, v.8, no.11, pp.11657 - 11665 ko
dc.identifier.issn 1936-0851 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/9487 -
dc.description.abstract Single-crystal carbon nanomaterials have led to great advances in nanotechnology. The first single-crystal carbon nanomaterial, fullerene, was fabricated in a zero-dimensional form. One-dimensional carbon nanotubes and two-dimensional graphene have since followed and continue to provide further impetus to this field. In this study, we fabricated designed three-dimensional (3D) single-crystal carbon architectures by using silicon carbide templates. For this method, a designed 3D SiC structure was transformed into a 3D freestanding single-crystal carbon structure that retained the original SiC structure by performing a simple single-step thermal process. The SiC structure inside the 3D carbon structure is self-etched, which results in a 3D freestanding carbon structure. The 3D carbon structure is a single crystal with the same hexagonal close-packed structure as graphene. The size of the carbon structures can be controlled from the nanoscale to the microscale, and arrays of these structures can be scaled up to the wafer scale. The 3D freestanding carbon structures were found to be mechanically stable even after repeated loading. The relationship between the reversible mechanical deformation of a carbon structure and its electrical conductance was also investigated. Our method of fabricating designed 3D freestanding single-crystal graphene architectures opens up prospects in the field of single-crystal carbon nanomaterials and paves the way for the development of 3D single-crystal carbon devices. ko
dc.description.statementofresponsibility close -
dc.language 영어 ko
dc.publisher AMER CHEMICAL SOC ko
dc.title Designed three-dimensional freestanding single-crystal carbon architectures ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-84912535987 ko
dc.identifier.wosid 000345553000071 ko
dc.type.rims ART ko
dc.description.wostc 0 *
dc.description.scopustc 0 *
dc.date.tcdate 2015-05-06 *
dc.date.scptcdate 2014-12-17 *
dc.identifier.doi 10.1021/nn504956h ko
dc.identifier.url https://pubs.acs.org/doi/10.1021/nn504956h ko
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