Contaminant free graphene production now a reality

A way has been found to clean graphene to optimise its conductivity.

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Making graphene at scale, efficiently and cost-effectively has been prevented in the past by manufacturing methods that leave an organic residue on the material that can interfere with its conductivity.

Until recently ways of removing this have risked damaging the material but now there is a solution.

Researchers have devised a method of blasted the graphene with a gas cluster of argon ions, which removes a large proportion of the contaminants while preserving the material’s atomic structure.

Scientists at the National Physical Laboratory (NPL), who have been working on the project, are now conducting trials together with graphene producers outside the laboratory.

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