Journal
SOLID FUEL CHEMISTRY
Volume 56, Issue 5, Pages 347-352Publisher
PLEIADES PUBLISHING INC
DOI: 10.3103/S0361521922050044
Keywords
graphite oxide; graphene oxide; synthesis; titration; Hummers method
Funding
- Ministry of Science and Higher Education of the Russian Federation [FSUN-2020-0008]
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Graphite oxides obtained by a modified Hummers method were studied using various techniques. It was found that using ice instead of water during the reaction can ensure optimal hydrolysis and prevent overheating. The ice content in the reaction mixture was also found to affect the properties of graphite oxide. Additionally, using frozen hydrogen peroxide was proposed to reduce the number of reaction stages.
Graphite oxides obtained by a modified Hummers method were studied using scanning electron microscopy, X-ray diffraction, energy dispersive X-ray spectroscopy, and the Boehm titration method. It was proposed to use ice instead of water to ensure the best hydrolysis and conduct the process at low temperatures without overheating of the reaction mixture. The effect of different ice content of the reaction mixture on the phase composition, chemical composition, and composition of surface functional groups in graphite oxide was studied. The use of frozen hydrogen peroxide in the synthesis was also proposed to decrease the number of stages.
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