Mass production of graphene oxide from expanded graphite


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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/53021

Title:	Mass production of graphene oxide from expanded graphite
Authors:	Sun, Ling Browse this author
Authors:	Fugetsu, Bunshi Browse this author →KAKEN DB
Keywords:	Expanded graphite
	graphene oxide
	spontaneous expansion
	mass production
Issue Date:	15-Oct-2013
Publisher:	Elsevier, B.V.
Journal Title:	Material letters
Volume:	109
Start Page:	207
End Page:	210
Publisher DOI:	10.1016/j.matlet.2013.07.072
Abstract:	In a deviation from the conventional Hummers method, a spontaneous expansion approach was introduced with expanded graphite as the precursors. The intercalating agent (H2SO4) was able to penetrate into the expanded graphite; this had further expanded the graphite and as a result, a foam-like intermediate was produced. The foam-like graphite was more easily oxidized in reaction with the oxidant (KMnO4) to form graphene oxide (GO). Fully exfoliated GO was obtained with expanded graphite having the median diameter ∼15 μm as the precursors. This procedure was much safer and productive in scalable applications than the conventional Hummers methods.
Relation:	http://www.sciencedirect.com/science/journal/0167577X
Type:	article (author version)
URI:	http://hdl.handle.net/2115/53021
Appears in Collections:	環境科学院・地球環境科学研究院 (Graduate School of Environmental Science / Faculty of Environmental Earth Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: SUN, Ling

OAI-PMH ( junii2 , jpcoar_1.0 )

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