Electrical and nonlinear optical properties of zirconium phosphonate multilayer assemblies

Howard Edan Katz; Marcia L. Schilling; S. Ungashe; T. M. Putvinski; G. E. Scheller; C. E.D. Chidsey; William P. Wilson

doi:10.1117/12.50734

1 December 1991 Electrical and nonlinear optical properties of zirconium phosphonate multilayer assemblies

Howard Edan Katz, Marcia L. Schilling, S. Ungashe, T. M. Putvinski, G. E. Scheller, C. E.D. Chidsey, William P. Wilson

Author Affiliations +

Proceedings Volume 1560, Nonlinear Optical Properties of Organic Materials IV; (1991) https://doi.org/10.1117/12.50734
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

Multilayer assembly of organic chromophores with inorganic interlayers is a facile technique for the preparation of nonlinear optical materials with well-defined architectures. Recent reports of T. M. Mallouk (University of Texas-Austin) have indicated that zirconium organodiphosphonates form particularly stable surface multilayers that can be constructed straightforwardly one monolayer at a time. We have synthesized a series of chromophores with shapes and functional groups designed for layerwise deposition as zirconium phosphonates. These include electron donating thiophene oligomers, electron accepting quinodimethanes, and dipolar azo dyes. Cohesive, electrically insulating, thermally stable films of these compounds as layered phosphonates on various substrates were prepared with predictable thicknesses and, in some cases, polar order. Second harmonic intensity from the polar azo dye films was proportional to the thickness squared, consistent with theory. The dielectric and optical responses of a variety of other kinds of samples are discussed.

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Howard Edan Katz, Marcia L. Schilling, S. Ungashe, T. M. Putvinski, G. E. Scheller, C. E.D. Chidsey, and William P. Wilson "Electrical and nonlinear optical properties of zirconium phosphonate multilayer assemblies", Proc. SPIE 1560, Nonlinear Optical Properties of Organic Materials IV, (1 December 1991); https://doi.org/10.1117/12.50734

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