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Science 21 November 2003:
Vol. 302. no. 5649, pp. 1380 - 1382
DOI: 10.1126/science.1091022
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Reports

DNA-Templated Carbon Nanotube Field-Effect Transistor

Kinneret Keren,1 Rotem S. Berman,1 Evgeny Buchstab,2 Uri Sivan,1,2 Erez Braun1,2*

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.

1 Department of Physics, Technion-Israel Institute of Technology, Haifa 32000, Israel.
2 Solid State Institute, Technion-Israel Institute of Technology, Haifa 32000, Israel.

* To whom correspondence should be addressed. E-mail: erez{at}physics.technion.ac.il

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Science. ISSN 0036-8075 (print), 1095-9203 (online)