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Authors: | Collier Mattersteig Wong Luo Beverly Sampaio Raymo Stoddart Heath |
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Institution: | Department of Chemistry and Biochemistry, University of California at Los Angeles, 405 Hilgard Avenue, Los Angeles, CA 90095-1569, USA. |
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Abstract: | 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 approximately 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. |
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