Solvatochromy and electro-optical study of new fluorine-containing chromophores

Sigurd K. Schrader; Ruediger W. Wortmann; Dietrich Prescher; Katarzyna Lukaszuk; Andre H. Otto

doi:10.1117/12.328577

29 October 1998 Solvatochromy and electro-optical study of new fluorine-containing chromophores

Sigurd K. Schrader, Ruediger W. Wortmann, Dietrich Prescher, Katarzyna Lukaszuk, Andre H. Otto

Proceedings Volume 3474, Second-Order Organic Nonlinear Optics; (1998) https://doi.org/10.1117/12.328577
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

Solvatochromy of fluorescence emission of new fluorine- containing chromophores with high second order hyperpolarizability (beta) is studied in solvents of different polarity. Together with UV/VIS-absorption spectra and electro-optical absorption experiments the result of the fluorescence experiments are used to calculate hyperpolarizabilities of chromophores using a simple two level model. Although the general shape of the investigated molecules was kept constant the chemical structure was varied by introduction of heteroatoms into the conjugated part of the molecules, and by partial fluorination of the molecule. The selected kind of substitution lead to different ground state geometries, and to different linear and nonlinear optical properties as well. The increase of fluorine content also leads to a reduction of refractive index which can be important to certain electro-optical applications. The investigated fluorine-containing chromophores show (beta) -values which are comparable with those of standard NLO-dyes like disperse red I but exhibit different linear optical properties.

Citation Download Citation

Sigurd K. Schrader, Ruediger W. Wortmann, Dietrich Prescher, Katarzyna Lukaszuk, and Andre H. Otto "Solvatochromy and electro-optical study of new fluorine-containing chromophores", Proc. SPIE 3474, Second-Order Organic Nonlinear Optics, (29 October 1998); https://doi.org/10.1117/12.328577

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