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Ruoff, Rodney S.
Center for Multidimensional Carbon Materials (CMCM)
Research Interests
  • Next generation carbons, ultrathin sp3-bonded carbon sheets, negative curvature (‘Schwartzites’) carbons, sp3/sp2 hybrid carbon materials, model compounds for novel carbon materials, reaction mechanisms

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Stage-1 cationic C-60 intercalated graphene oxide films

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dc.contributor.author Chen, Xianjue ko
dc.contributor.author Ching, Karin ko
dc.contributor.author Rawal, Aditya ko
dc.contributor.author Lawes, Douglas J. ko
dc.contributor.author Tajik, Mohammad ko
dc.contributor.author Donald, William A. ko
dc.contributor.author Zhao, Chuan ko
dc.contributor.author Lee, Sun Hwa ko
dc.contributor.author Ruoff, Rodney S. ko
dc.date.available 2021-12-24T00:44:24Z -
dc.date.created 2021-04-20 ko
dc.date.issued 2021-04 ko
dc.identifier.citation CARBON, v.175, pp.131 - 140 ko
dc.identifier.issn 0008-6223 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/55388 -
dc.description.abstract A "stage-1" intercalated film has been made by the ion exchange of pyrrolidinium-functionalized C-60 (C-60(Py)(n+)) into centimeter-wide, micrometer-thick air-dried graphene oxide (G-O) films composed of tens of thousands of layers of stacked/overlapping G-O platelets, denoted [C-60(Py)(n+)]G-O films. Spontaneous intercalation by ion exchange of one layer of C-60(Py)(n+) between adjacent G-O layers expands the interlayer spacing of the films from 0.74 nm to 1.46 nm. The films remain intact in water and various organic solvents, which is likely due to a strong affinity between C-60(Py)(n+) and G-O. Membranes made of the films showed a 6.8 times faster water vapor permeation rate (allowing the vapor to transport through the membrane almost freely) and a 10.5 times faster liquid water permeation rate than G-O membranes. Heating the films at 2000 degrees C under applied pressure or at 2700 degrees C without physical confinement converted them into highly graphitized structures. (C) 2020 Elsevier Ltd. All rights reserved. ko
dc.language 영어 ko
dc.publisher PERGAMON-ELSEVIER SCIENCE LTD ko
dc.title Stage-1 cationic C-60 intercalated graphene oxide films ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-85099180889 ko
dc.identifier.wosid 000626964000016 ko
dc.type.rims ART ko
dc.identifier.doi 10.1016/j.carbon.2020.12.082 ko
dc.identifier.url https://www.sciencedirect.com/science/article/pii/S0008622320312598?via%3Dihub ko
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