Abstract

AbstractThe 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 (ΔH) of the phase transition are maximal for pure methanol and decrease linearly with increase of water fraction up to 30%.

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