Soft Deposition of Large-Area Metal Contacts for Molecular Electronics


  • The authors thank Prof. J. F. Stoddart for the rotaxane molecules, Dr. D. Barsic and T. Carver for assistance in microfabrication processing, and R. Pala and M. Mager for thoughtful discussions. J. J. thanks Stanford URP for funding. This work was supported by the NSF career award DMR 0449385 and DOE project DE-AC02-76SF00515.


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Large-area molecular-electronic devices are fabricated by polymer-assisted soft deposition of the top metal contact in aqueous solution (see figure). A series of monomolecular fatty-acid tunnel junctions and a rotaxane switching junction with working areas from 10 μm2 to 9 mm2 are investigated.