Journal
CHEMICAL SCIENCE
Volume 7, Issue 3, Pages 1874-1881Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5sc03828f
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Funding
- National Basic Research Program of China (973 Program) [2012CB933402, 2013CB933001]
- Natural Science Foundation of China [51433005]
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Graphene oxide (GO) sheets with controlled species of oxygen-containing groups are important for fabricating graphene materials with desired structures and properties. Here we report a water-addition modified Hummers method to prepare GO sheets with tunable amounts of hydroxyl and epoxide groups without destroying their structural integrity. This method is simple, effective, and efficient. It can be applied to the mass-production of GO with controlled amounts and species of oxygenated groups, and improve the yields of synthesizing high-quality GO at low temperatures.
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