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Findings indicate that upon applying a low voltage (3 V) on the graphite foil partially coated with paraffin wax that the coating can prevent the insufficiently intercalated graphite sheets from prematurely peeling off from the graphite electrode thereby affording few-layer (<5 layers) holey graphene sheets in a yield of as much as 60%.
Our results open up the potential for using graphene coating to protect metal surface in biomedical application.
Open accessJournal ArticleDOI
Mehmet Topsakal, Hasan Sahin, Salim Ciraci 
23 Apr 2012-Physical Review B
182 Citations
(Received 6 November 2011; revised manuscript received 12 February 2012; published 23 April 2012)We demonstrate that graphene coating can provide efficient protection from oxidation by posing a high-energybarrier to the path of oxygen atom, which could have penetrated from the top of the graphene to the reactivesurface underneath.
The findings and prototypes here designed may open the way to extend the use of graphene as protective coating.
This demonstrates a method for coating nitinol alloys with nanometer thick layers of graphene for applications as a stent material.
We demonstrate the first example of efficient and cost-effective graphene on silicon solar cells prepared using spray coating.
Results showed that reducing coating thickness and increasing spraying pressure are beneficial in preparing a graphene coating with high thermal conductivity.
Atomically smooth graphene as a surface coating has potential to improve implant properties.
Results indicated graphene nanosheets successfully incorporated in the ceramic coating.
The results indicated that the addition of multilayer graphene improves the load-carrying capacity and high temperature lubricity of the natural wax.

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