Journal
MATERIALS RESEARCH EXPRESS
Volume 5, Issue 5, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/2053-1591/aac043
Keywords
graphene oxide; emulsion; morphology
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Funding
- US DOE Office of Science Facility, at Brookhaven National Laboratory [DE-SC0012704]
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Mesoscale crumpled graphene oxide roses (GO roses) were synthesized by using colloidal graphene oxide (GO) variants as precursors for a hybrid emulsification-rapid evaporation approach. This process produced rose-like, spherical, reduced mesostructures of colloidal GO sheets, with corrugated surfaces and particle sizes tunable in the range of similar to 800 nm to 15 mu m. Excellent reproducibility for particle size distribution is shown for each selected speed of homogenizer rotor among different sample batches. The morphology and chemical structure of these produced GO roses was investigated using electron microscopy and spectroscopy techniques. The proposed synthesis route provides control over particle size, morphology and chemical properties of the synthesized GO roses.
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