DNA-Templated Carbon Nanotube Field-Effect Transistor

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Science  21 Nov 2003:
Vol. 302, Issue 5649, pp. 1380-1382
DOI: 10.1126/science.1091022

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The combination of their electronic properties and dimensions makes carbon nanotubes ideal building blocks for molecular electronics. However, the advancement of carbon nanotube–based electronics requires assembly strategies that allow their precise localization and interconnection. Using a scheme based on recognition between molecular building blocks, we report the realization of a self-assembled carbon nanotube field-effect transistor operating at room temperature. A DNA scaffold molecule provides the address for precise localization of a semiconducting single-wall carbon nanotube as well as the template for the extended metallic wires contacting it.

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