| Pressure-induced insertion of liquid alcohols into graphite oxide structure. | |
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MedLine Citation:
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PMID: 19947629 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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Graphite oxide (GO) immersed in an excess of methanol and ethanol media is found to undergo a phase transformation at about 0.2-0.8 GPa, with an expansion of the unit cell volume by approximately 40%, due to pressure-induced insertion of solvent into interlayer space. The pressure at which the structural expansion occurs does not correlate with the solidification pressure of the alcohol, in contrast to the graphite oxide/water system. The expanded high-pressure phase of GO/ethanol could be quenched back to ambient pressure. Compression of graphite oxide with a 2:1 water/methanol medium revealed a complex anomaly with two steps attributed to insertion of methanol and water at different pressure points. |
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Authors:
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Alexandr V Talyzin; Bertil Sundqvist; Tam?s Szab?; Imre D?k?ny; Vladimir Dmitriev |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of the American Chemical Society Volume: 131 ISSN: 1520-5126 ISO Abbreviation: J. Am. Chem. Soc. Publication Date: 2009 Dec |
Date Detail:
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Created Date: 2009-12-23 Completed Date: 2010-03-02 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7503056 Medline TA: J Am Chem Soc Country: United States |
Other Details:
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Languages: eng Pagination: 18445-9 Citation Subset: - |
Affiliation:
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Department of Physics, Ume? University, SE-901 87 Ume?, Sweden. Alexandr.talyzin@physics.umu.se |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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