Electrostatically self-assembled electro-optic materials and devices

Kristi L. Cooper; Liangmin Zhang; Tingying Zeng; Richard O. Claus

doi:10.1117/12.432746

11 July 2001 Electrostatically self-assembled electro-optic materials and devices

Kristi L. Cooper, Liangmin Zhang, Tingying Zeng, Richard O. Claus

Proceedings Volume 4333, Smart Structures and Materials 2001: Active Materials: Behavior and Mechanics; (2001) https://doi.org/10.1117/12.432746
Event: SPIE's 8th Annual International Symposium on Smart Structures and Materials, 2001, Newport Beach, CA, United States

Abstract

Thin film electro-optic materials have been synthesized by a novel electrostatic self-assembly (ESA) method. This method allows the molecular-level, layer-by-layer formation of multilayer thin and thick films of alternating anionic and cationic molecules and other materials. We have found that during the adsorption of dipolar molecules from solution to form a single molecular layer, the dipoles align themselves. In a multilayered material, this leads to multiple functionalities that require a noncentrosymmetric molecular structure, such as active optical properties and piezoelectric behavior. Such properties are usually achieved in other materials by electric field poling. In this paper, we describe the precursor molecular chemistries that we have developed to make electro-optic thin films by this method, how the films are formed, the resulting molecular orientation within the film, and measured electro- optic coefficients to date.

Citation Download Citation

Kristi L. Cooper, Liangmin Zhang, Tingying Zeng, and Richard O. Claus "Electrostatically self-assembled electro-optic materials and devices", Proc. SPIE 4333, Smart Structures and Materials 2001: Active Materials: Behavior and Mechanics, (11 July 2001); https://doi.org/10.1117/12.432746

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