Intercalate displacement and exchange in graphite

S. H. Anderson; D. D.L. Chung

doi:10.1016/0379-6779(83)90091-7

Intercalate displacement and exchange in graphite

S. H. Anderson
, D. D.L. Chung

Department of Mechanical and Aerospace Engineering

Carnegie Mellon University

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

The mechanism of intercalate transport in graphite was studied by sequential intercalation of bromine and iodine monochloride. It was found that the transport involved solid-state intercalate displacement such that the first intercalate molecule to enter an interlayer space is the first to reach the center of the graphite sample. Upon exposure of stage-2 graphite-bromine to ICI, the in-plane superlattice diffraction pattern was observed to change from that of graphite-bromine to that of graphite-ICl, while the ICl intercalate distributed itself uniformly at a concentration level above that of the bromine intercalate. This is interpreted as the expulsion of bromine by the in-coming ICl, which dissolved the remaining bromine to form a solid solution with the ICl in-plane structure.

Original language	English
Pages (from-to)	107-115
Number of pages	9
Journal	Synthetic Metals
Volume	7
Issue number	1-2
DOIs	https://doi.org/10.1016/0379-6779(83)90091-7
State	Published - Dec 1983

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title = "Intercalate displacement and exchange in graphite",

abstract = "The mechanism of intercalate transport in graphite was studied by sequential intercalation of bromine and iodine monochloride. It was found that the transport involved solid-state intercalate displacement such that the first intercalate molecule to enter an interlayer space is the first to reach the center of the graphite sample. Upon exposure of stage-2 graphite-bromine to ICI, the in-plane superlattice diffraction pattern was observed to change from that of graphite-bromine to that of graphite-ICl, while the ICl intercalate distributed itself uniformly at a concentration level above that of the bromine intercalate. This is interpreted as the expulsion of bromine by the in-coming ICl, which dissolved the remaining bromine to form a solid solution with the ICl in-plane structure.",

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AU - Anderson, S. H.

AU - Chung, D. D.L.

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N2 - The mechanism of intercalate transport in graphite was studied by sequential intercalation of bromine and iodine monochloride. It was found that the transport involved solid-state intercalate displacement such that the first intercalate molecule to enter an interlayer space is the first to reach the center of the graphite sample. Upon exposure of stage-2 graphite-bromine to ICI, the in-plane superlattice diffraction pattern was observed to change from that of graphite-bromine to that of graphite-ICl, while the ICl intercalate distributed itself uniformly at a concentration level above that of the bromine intercalate. This is interpreted as the expulsion of bromine by the in-coming ICl, which dissolved the remaining bromine to form a solid solution with the ICl in-plane structure.

AB - The mechanism of intercalate transport in graphite was studied by sequential intercalation of bromine and iodine monochloride. It was found that the transport involved solid-state intercalate displacement such that the first intercalate molecule to enter an interlayer space is the first to reach the center of the graphite sample. Upon exposure of stage-2 graphite-bromine to ICI, the in-plane superlattice diffraction pattern was observed to change from that of graphite-bromine to that of graphite-ICl, while the ICl intercalate distributed itself uniformly at a concentration level above that of the bromine intercalate. This is interpreted as the expulsion of bromine by the in-coming ICl, which dissolved the remaining bromine to form a solid solution with the ICl in-plane structure.

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DO - 10.1016/0379-6779(83)90091-7

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SN - 0379-6779

VL - 7

SP - 107

EP - 115

JO - Synthetic Metals

JF - Synthetic Metals

IS - 1-2

ER -

Intercalate displacement and exchange in graphite

Abstract

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