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Min, Seung Kyu
Theoretical/Computational Chemistry Group for Excited State Phenomena
Research Interests
  • Excited state dynamics, photosynthesis, solarcell, light-driven molecular machine

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Electrochemical Formation of a Covalent-Ionic Stage-1 Graphite Intercalation Compound with Trifluoroacetic Acid

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Title
Electrochemical Formation of a Covalent-Ionic Stage-1 Graphite Intercalation Compound with Trifluoroacetic Acid
Author
Gurzeda, BartoszKim, Tae InArsakay, MadiChoe, MyeonggiLee, Sun HwaLee, ZonghoonMin, Seung KyuRuoff, Rodney S.
Issue Date
2022-01
Publisher
AMER CHEMICAL SOC
Citation
CHEMISTRY OF MATERIALS, v.34, no.1, pp.217 - 231
Abstract
A pure stage-1 graphite intercalation compound (GIC) has been prepared by the electrochemical oxidation of graphite in trifluoroacetic acid (CF3COOH). During the CF3COOH-GIC formation, covalent as well as ionic bonds between the trifluoroacetic acid and graphite layers are formed. Electrochemical reduction of the stage-1 GIC leads to the deintercalation of ionically bonded intercalate, yielding the stage 2 covalent GIC. The interlayer spacing is 8.10 angstrom for stage-1 and 11.62 angstrom for stage-2 GIC. Further electrochemical oxidation of stage-1 CF3COOH-GIC does not lead to the exfoliation of the GIC product, and the GIC has relatively high stability in air.
URI
https://scholarworks.unist.ac.kr/handle/201301/56892
URL
https://pubs.acs.org/doi/10.1021/acs.chemmater.1c03173
DOI
10.1021/acs.chemmater.1c03173
ISSN
0897-4756
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MSE_Journal Papers
CHM_Journal Papers
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