Add time:07/21/2019         Source:sciencedirect.com

A first-stage graphite intercalation compound of a strong fluoroacid. graphite hexafluoroarsenate (C10AsF6) reacts with fluorobases such as potassium fluoride in anhydrous hydrogen fluoride (AHF) to give a second-stage compound. X-ray diffraction and XPS analyses revealed that the compound is covered with planar-sheet graphite fluoride, CxF. C10AsF6 also reacts with the solvent hydrogen fluoride, liberating AsF5 to give a mixture of the first-and second-stage compounds. Surface coverage of the material with graphite fluoride protects the bulk graphite fluoroarsenates from the attack of moisture in air.

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