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Facile Synthesis and Characterization of Graphene Nanosheets

The Journal of Physical Chemistry C · 2008 · Vol. 112(22) · pp. 8192–8195

Guoxiu Wang✉(University of Wollongong)Juan Yang(University of Wollongong)Jinsoo Park(University of Wollongong)Xinglong Gou(University of Wollongong)Bei Wang(University of Wollongong)Hao Liu(University of Wollongong)Jane Yao(University of Wollongong)

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Abstract

Graphene nanosheets were produced in large quantity via a soft chemistry synthetic route involving graphite oxidation, ultrasonic exfoliation, and chemical reduction. X-ray diffraction and transmission electron microscopy (TEM) observations show that graphene nanosheets were produced with sizes in the range of tens to hundreds of square nanometers and ripple-like corrugations. High resolution TEM (HRTEM) and selected area electron diffraction (SAED) analysis confirmed the ordered graphite crystal structure of graphene nanosheets. The optical properties of graphene nanosheets were characterized by Raman spectroscopy.

Graphene research and applications Graphene and Nanomaterials Applications Carbon Nanotubes in CompositesGrapheneSelected area diffractionHigh-resolution transmission electron microscopyExfoliation jointMaterials scienceRaman spectroscopyGraphiteNanotechnologyTransmission electron microscopyElectron diffraction

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