 | Nanotech 2007 Vol. 1
Technical Proceedings of the 2007 NSTI Nanotechnology Conference and Trade Show, Volume 1
Chapter 7: Molecular and Nano Electronics |
Three-terminal, single molecule circuits based on carbon nanotube interconnects | |
| Authors: | B.R. Goldsmith, J.G. Coroneus, V.R. Khalap, A.A. Kane, G.A. Weiss and P.G. Collins |
| Affilation: | University of California, Irvine, US |
| Pages: | 556 - 558 |
| Keywords: | nanotube biosensor functionalization |
| Abstract: | The vision for molecular electronics extends well beyond minitaturation and scaling and includes new techniques for studying chemical bonding, biocatalysis, and molecular recognition. However, working single-molecule devices remain exceedingly difficult to fabricate. We demonstrate a new architecture for studying single-molecule behavior which relies on point functionalization of single-walled carbon nanotube circuits. The technique is free of precision lithography and mechanical manipulation. Instead, it uses nanotube conductance to reveal chemical processes happening in real-time and to deterministically control oxidation, reduction, and conjugation to target species. We routinely functionalize pristine, defect-free SWNTs at one, two, or more sites and demonstrate three-terminal devices in which a single biomolecular attachment controls the electronic response. Compared to other fabrication techniques for molecular electronics, this method produces devices with excellent electrical, mechanical, and chemical stabilities and well-defined bonding to the molecule of interest. |
| ISBN: | 1-4200-6182-8 |
| Pages: | 726 |
| Hardcopy: | $139.95 |
| Order: | Mail/Fax Form |
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