David Kirkpatrick

November 18, 2008

Latest graphene news — practicality

From KurzweilAI.net — It’s been awhile since I’ve blogged on graphene. For a time there news was coming out hard and fast about the nanomaterial. The latest news comes out of UCLA on a relataively simple method of creating large (well, large in the nanoscale sense) pieces of graphene.

Making Graphene More Practical
Technology Review, Nov. 18, 2008

Researchers at the University of California, Los Angeles, have found a simple way to make large pieces (tens of micrometers wide) of the carbonmaterial graphene that can be deposited on sheets on silicon wafers to make prototype field-effect transistors.

Electrons flow through graphene sheets tens of times faster than they flow in silicon, so graphene could lead to electronic devices that are smaller, faster, and less power-hungry than those made of silicon. Thin and transparent, graphene is also a promising replacement for the indium tin oxide electrodes and the silicon thin-film transistors used in flat-panel displays.

Read Original Article>>

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