Journal
CHEMICAL PHYSICS
Volume 324, Issue 1, Pages 267-275Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.chemphys.2005.11.030
Keywords
single-molecule transistors; Kondo physics; molecular electronics
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Single-molecule transistors (SMTs) incorporating individual small molecules are unique tools for examining the fundamental physics and chemistry of electronic transport in molecular systems at the single nanometer scale. We describe the fabrication and characterization of such devices, and the synthesis and surface attachment chemistry of novel transition metal complexes that have been incorporated into such SMTs. We present gate-modulated inelastic electron tunneling vibrational spectroscopy of single molecules, strong Kondo physics (T(K) similar to 75 K) as evidence of excellent molecule/electrode electronic coupling, and a demonstration that covalent attachment chemistry can produce SMTs that survive repeated thermal cycling to room temperature. We conclude with a look ahead at the prospects for these nanoscale systerns. (c) 2005 Elsevier B.V. All rights reserved.
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