Creating, Varying, and Growing Single-Site Molecular Contacts

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Science  22 Jul 2005:
Vol. 309, Issue 5734, pp. 588-590
DOI: 10.1126/science.1113667

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The known range of chemisorption bonds forms the toolbox for the design of electrical contacts in molecular electronics devices. Double-bond contacts to technologically relevant materials would be attractive for a number of reasons. They are truly single-site, bonding to a single surface atom. They obviate the need for a thiol linkage, and they may be amenable to further modification through olefin-metathesis methodologies. We report olefin-metathesis methods for establishing, varying, and growing thermally stable double-bond contacts to molybdenum carbide, a conducting material.

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