Journal
JOURNAL OF MATERIALS SCIENCE
Volume 50, Issue 24, Pages 8057-8063Publisher
SPRINGER
DOI: 10.1007/s10853-015-9373-6
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Funding
- Natural Science Foundation of China [51373059]
- Science Foundation of Fujian Province [2013H6014]
- Science Foundation of Xiamen [3502Z20143044]
- Science and technology innovation team of Huaqiao University [Z14X0046]
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Graphene sheets were processed by in situ ball-milling graphite flakes in an ethanol solution of polyvinylpyrrolidone (PVP). Results showed exfoliation of graphite into graphene, with surfaces decorated with PVP. This new PVP-functionalized graphene could be further dispersed in varieties of polar solvents, including ethanol, dimethylformamide, and water. Resulting homogeneous solution has more than 4 months of storage stability, with the highest concentration of graphene reaching 1.7300 mg/ml.
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