David Kirkpatrick

June 11, 2010

Nanoscale circuits on graphene

Via KurzweilAI.net — For all those fresh graduates out there, one word — graphene.

Simple way to create nanocircuitry on graphene developed
KurzweilAI.net, June 11, 2010

method of drawing nanoscale circuits onto atom-thick sheets of graphene has been developed by researchers at the U.S. Naval Research Laboratory, Georgia Institute ofTechnology, and the University of Illinois at Urbana-Champaign.

(University of Illinois at Urbana-Champaign)

The simple, quick one-step process for creating nanowires, based on thermochemical nanolithography (TCNL), tunes the electronic properties of reduced graphene oxide, allowing it to switch from being an insulating material to a conducting material.

Scientists who work with nanocircuits are enthusiastic about graphene because electrons meet with less resistance when they travel along graphene compared to silicon and because today’s silicon transistors are nearly as small as allowed by the laws of physics. Graphene also has the edge due to its thickness – it’s a carbon sheet that is a single atom thick.

However, no one knew how to produce graphene nanostructures with such a reproducible or scalable method until now.

More info: Georgia Institute of Technology

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