TITLE

Tailoring oxidation degrees of graphene oxide by simple chemical reactions

AUTHOR(S)
Wang, Gongkai; Sun, Xiang; Liu, Changsheng; Lian, Jie
PUB. DATE
August 2011
SOURCE
Applied Physics Letters;8/1/2011, Vol. 99 Issue 5, p053114
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
High quality graphene oxide (GO) with controllable degrees of oxidation was synthesized by simple chemical reactions inspired by approaches to unzip single wall carbon nanotubes using strong oxidizing agents. As compared to the conventional Hummers method, these reactions are less exo-therm involved without emission of toxic gases. The structural characteristics of the synthesized GO with various oxidation degrees were evaluated by x-ray diffraction, x-ray photoelectron spectroscopy, Raman spectroscopy, thermal gravimetric analysis, and UV-vis-IR spectroscopy. GO with tailored degrees of oxidation displays tunable optoelectronic properties and may have a significant impact on developing graphene- or GO-based platforms for various technological applications.
ACCESSION #
63882646

 

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