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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 35, Number 7
BKCSDE 35(7)
July 20, 2014 

Preparation and Characterization of Surfactant-Exfoliated Graphene
Yeari Song, Hoik Lee, Jaehyoung Ko, Jungju Ryu, Minkyoung Kim*, Daewon Sohn*
Graphene oxide, Sodium dodecylbenzene sulfonate, Dispersity, Surfactant-exfoliation
An anionic surfactant, sodium dodecylbenzene sulfonate (SDBS), was introduced during the ultrasonication process for exfoliation of graphene. The surfactant plays the roles of exfoliator and stabilizer by binding to the graphene surface. The obtained modified graphene was characterized by Fourier-transform infrared spectroscopy (FT-IR) and solid state 13C CP/MAS NMR to analyze the binding between molecules, and by X-ray diffraction (XRD) to characterize the bulk structure. The resulting graphene exhibited good dispersion stability in both water and organic solvents.
2009 - 2012
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