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During the 30-min immersion in the supercritical fluid, the supercritical
CO2 diffused in between the layers of graphite due to its low
viscosity, high diffusivity, and small molecule size. The CO2-intercalated
graphite was forced to exfoliate or delaminate by the expansion of the
supercritical CO2 disposed interstitially between the layers upon rapid
depressurization of the vessel.

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During the 30-min immersion in the supercritical fluid, the supercritical
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During the 30-min immersion in the supercritical fluid, the supercritical
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