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HomeMaterials Science ForumMaterials Science Forum Vol. 849Top-Down Fabrication of Superhydrophilic Graphene...

Top-Down Fabrication of Superhydrophilic Graphene Oxide Nanosheets

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Abstract:

As an oxidized form of graphene, graphene oxide has a variety of oxygen-containing groups together with a laminar structure, showing great potential in various engineering applications. In this work, on the basis of the top-down fabrication principle, superhydrophilic graphene oxide nanosheets with a uniform sheet size of ~50 nm diameter and 0.7 nm thickness were prepared by the modified Hummers method, and using microcrystalline graphite as the carbon source. After chemical oxidation, the obtained graphene oxide nanosheets had a great amount of C-O-C, C-OH and C=O groups and its water contact angle was ~3.9°. This result offers a facile strategy to fabricate superhydrophilic and monolayer graphene oxide nanosheets with well-defined morphology.

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Periodical:

Materials Science Forum (Volume 849)

Pages:

738-742

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.849.738

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Online since:

March 2016

Authors:

Xue Bing Hu*, Yun Yu, Wen Xiou Ding, Zhou Hao Xiao, Yong Qing Wang, Jian Er Zhou, Li Xin Song

Keywords:

Graphene Oxide, Monolayer, Superhydrophilic, Uniform Sheet Size

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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