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Published August 18, 2000 | public
Journal Article

A [2]Catenane-Based Solid State Electronically Reconfigurable Switch


A solid state, electronically addressable, bistable [2]catenane-based molecular switching device was fabricated from a single monolayer of the [2]catenane, anchored with phospholipid counterions, and sandwiched between an n-type polycrystalline silicon bottom electrode and a metallic top electrode. The device exhibits hysteretic (bistable) current/voltage characteristics. The switch is opened at +2 volts, closed at −2 volts, and read at ∼0.1 volt and may be recycled many times under ambient conditions. A mechanochemical mechanism for the action of the switch is presented and shown to be consistent with temperature-dependent measurements of the device operation.

Additional Information

© 2000 American Association for the Advancement of Science. Received 16 February 2000; accepted 30 June 2000. This research was supported by the Defense Advanced Research Projects Agency and by the NSF. C.P.C. is an employee of the Hewlett-Packard Company. We acknowledge T. Kamins (Hewlett-Packard) for useful advice in preparing the poly-Si electrodes and the staff at the University of California at Los Angeles (UCLA) Nanoelectronics Research Facility for helpful advice in device fabrication. A. Pease (UCLA) designed the artwork used in Fig. 1.

Additional details

August 19, 2023
October 20, 2023