Supramolecular opto-electronic architecture of tautomeric compos

Details Supramolecular opto-electronic architecture of tautomeric compos Supramolecular opto-electronic architecture of tautomeric compos

1999-03-23

2000-09-26

Sugarman, Scott J

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359244, 359326, G02B 2608, G02F 135

Patent

active

061249637

ABSTRACT:
A procedure is disclosed for assembly of novel two-sided monolayer or multilayer device architectures out of self-assembly or self-organizing amphiphilic compounds derived from molecules that undergo a type of valence tautomerization known as asymmetric narcissistic reactions. The two-sided monolayer architectures are constructed by Langmuir-Blodgett (LB) transfer or self-assembly (SA) techniques while the multilayer architectures are formed by Y-type LB depositions, where the two layers or bilayers of the assemblies are alternate depositions of mirror-image forms of the amphiphiles. The resulting three-dimensional supramolecular assemblies described herein are uniquely capable of commutation between two non-centrosymmetric states which have, on a macroscopic scale, an optically antipodal relationship and a third central symmetric state which is, accordingly, optically racemic. The inventive architectures are expected to be useful for constructing a variety of opto-electronic devices for application as chemical sensors or for the transmission, modulation, storage, or processing of information.

REFERENCES:
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Carts-Powell, "Cholesteric LCDs Show Images After Power is Turned Off", Laser Focus World, pp. 100-103, Sep. 1998.
Solladie et al, "Liquid Crystals: A Tool for Studies on Chirality", A Chem. Int. Ed. Eng., vol. 23, p. 348 (1984).
Rau, "Asymmetric Photochemistry in Solution", Chem. Rev., vol. 83, pp. 535-547, Jan. 31, 1983.

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