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Solvation of graphite oxide in water-methanol binary polar solvents
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
2012 (English)In: Physica status solidi. B, Basic research, ISSN 0370-1972, E-ISSN 1521-3951, Vol. 249, no 12, 2568-2571 p.Article in journal (Refereed) Published
Abstract [en]

The phase transition between two solvated phases was studied by DSC for graphite oxide (GO) powders immersed in water–methanol mixtures of various compositions. GO forms solid solvates with two different compositions when immersed in methanol. Reversible phase transition between two solvate states due to insertion/desertion of methanol monolayer occurs upon temperature variations. The temperature point and the enthalpy (DH) of the phase transition are maximal for pure methanol and decrease linearly with increase of water fraction up to 30%.

 

Place, publisher, year, edition, pages
2012. Vol. 249, no 12, 2568-2571 p.
Keyword [en]
DSC, graphene oxide, graphite oxide, solvation, water, methanol, liquid mixtures
National Category
Condensed Matter Physics
Research subject
Physics Of Matter
Identifiers
URN: urn:nbn:se:umu:diva-61875DOI: 10.1002/pssb.201200059ISI: 000312215300063OAI: oai:DiVA.org:umu-61875DiVA: diva2:572472
Funder
Swedish Research Council, 621-2010-3732
Note

Open Access - can be accessed directly

Available from: 2012-11-27 Created: 2012-11-27 Last updated: 2017-12-07Bibliographically approved

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Publisher's full texthttp://onlinelibrary.wiley.com/doi/10.1002/pssb.201200059/abstract

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