Preparation and characterization of silver-colloid/polymer-composite nonlinear optical materials

Richard LaPeruta Jr.; E. A. Van Wagenen; J. J. Roche; Prakob Kitipichai; Gary E. Wnek; Gerald M. Korenowski

doi:10.1117/12.46793

1 September 1991 Preparation and characterization of silver-colloid/polymer-composite nonlinear optical materials

Richard LaPeruta Jr., E. A. Van Wagenen, J. J. Roche, Prakob Kitipichai, Gary E. Wnek, Gerald M. Korenowski

Proceedings Volume 1497, Nonlinear Optics and Materials; (1991) https://doi.org/10.1117/12.46793
Event: Southcentral '91 (Dallas), 1991, Dallas, TX, United States

Abstract

Composite nonlinear optical materials consisting of silver nanoparticles, approximately 11 nm in diameter, in a polymer host were prepared. The polymer used in the preparation of the composites was a polyurethane bearing a tricyanovinyl moiety. The composite preparation method and polymer pretreatment method as well as pretreatment of the silver colloids to control particle agglomeration are described. The (chi) (3)xxxx of a composite was measured by degenerate four-wave mixing as 3.65 X 10-10 (esu), 7.91 X 10-11 (esu) and 5.86 X 10-11 (esu) at 532 nm, 562 nm, and 570 nm, respectively. The interfacial chemical interactions between the silver colloid and polymer host in the composites were explored using Raman, infrared, UV- visible, and NMR spectroscopy.

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Richard LaPeruta Jr., E. A. Van Wagenen, J. J. Roche, Prakob Kitipichai, Gary E. Wnek, and Gerald M. Korenowski "Preparation and characterization of silver-colloid/polymer-composite nonlinear optical materials", Proc. SPIE 1497, Nonlinear Optics and Materials, (1 September 1991); https://doi.org/10.1117/12.46793

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