Low-forward-voltage molecular rectifier

Active solid-state devices (e.g. – transistors – solid-state diode – Organic semiconductor material

Reexamination Certificate

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C257S014000

Reexamination Certificate

active

07009201

ABSTRACT:
A single molecular species having a low-forward-voltage rectifying property is provided. The molecular species is represented by the formula:in-line-formulae description="In-line Formulae" end="lead"?CL-IL-A-IR-CRin-line-formulae description="In-line Formulae" end="tail"?where A is a “conducting” moiety (with a relatively narrow HOMO-LUMO gap), IL and IR are each an “insulating” moiety (with a relatively wide HOMO-LUMO gap), CL is a connecting group for attachment to a first electrode, and CR is a connecting group for attachment to a second electrode. Also, a low-forward-voltage rectifying molecular rectifier is provided, comprising the molecular species attached between the two electrodes. The present teachings provide a set of design rules to build single-molecule rectifying diodes that operate at low forward and large reverse voltages. Such single-molecule rectifying diodes are useful in a variety of nano-scale applications.

REFERENCES:
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patent: 6858162 (2005-02-01), Kornilovich
patent: 10013013 (2000-10-01), None
patent: WO93/25003 (1993-12-01), None
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P E Kornilovitch et al—“Current Rectification by Molecules with Asymmetric Tunneling Barriers”—Physical Review B (Condensed Matter and Materials Physics) vol. 66 No. 16 Oct. 15, 2003 pp. 165436-1 thru 165436-11.
Ellenbogen, J.C., et al., “Architectures for molecular electronic computers: 1. Logic structures and an adder designed from molecular electronic diodes,” Proceedings of the IEEE, vol. 88, 2000, pp. 386-426.

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