Nanoelectronics

Graphene gets a better gap

Graphene nanoribbons with low defect densities and large energy gaps can be fabricated by chemically unzipping carbon nanotubes and annealing the result.

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Figure 1: Electron microscope images of a graphene nanoribbon (GNR) that is derived by unzipping carbon nanotubes, and then connected to gold/titanium source and drain electrodes for testing in a field-effect transistor configuration.

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Roche, S. Graphene gets a better gap. Nature Nanotech 6, 8–9 (2011). https://doi.org/10.1038/nnano.2010.262

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