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The preparation protocol is simple, easy, environmental friendly, i. e., nontoxic, and the yield of graphene is high.
The authors show how Confocal Laser Scanning Microscopy outperforms other characterizing techniques for wafer-scale graphene.
This work opens up a whole new vista on how to disperse graphene.
We show how IBS can be used to successfully exfoliate graphite into few-layers graphene yielding highly stable dispersions in water.
A current versus voltage (I(ds)-V(ds)) plot clearly indicates a p-conducting characteristic of the synthesized graphene.
It is evident how investigating the graphene toxicity is of fundamental importance in the context of medical purposes.
Open accessJournal ArticleDOI
Yin Zhang, Tapas R. Nayak, Hao Hong, Weibo Cai 
14 Jun 2012-Nanoscale
474 Citations
Although literature reports have mixed findings, we emphasize that the key question is not how toxic graphene itself is, but how to modify and functionalize it and its derivatives so that they do not exhibit acute/chronic toxicity, can be cleared from the body over time, and thereby can be best used for biomedical applications.
In addition, the electrolyte can be used to gate the graphene; i. e., a dual-gate structure is realized.
The superior electrochemical performance of the I-doped graphene is explained by the change of graphene lattice, defects and positive charge density introduced by the doping of I atoms.
This study demonstrates how the radical content of graphene can be enhanced and optimized simply by oxidation and reduction treatments.