Oxygen shapes growth of graphene
Number of atoms on copper surface changes size and rate of material's crystal development
By Ashley Yeager, 16:55 PM October 24, 2013
Graphene, an atom-thick supermaterial, has captured the attention of scientists and the public because of its humble chemical makeup and remarkable properties. But when trying to make uniform crystals of the carbon material, researchers don’t always get what they expect.
The crystalline differences could come as a result of oxygen, Yufeng Hao of University of Texas at Austin and colleagues report October 24 in Science. The scientists found that larger graphene crystals with branched edges grew...
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