Fluorescence and Nonlinear Optical Properties of Alizarin Red S in Solvents and Droplet

Fluorescence and Nonlinear Optical Properties of Alizarin Red S in Solvents and Droplet The enhancement of the nonlinear properties of materials is an interesting topic since it has many applications in optical devices and medicines. The Z-scan technique was used to study the values of the two-photon absorption (β), second-order molecular hyperpolarizability (γR), third-order susceptibility (χR), and nonlinear refractive index (n2) of Alizarin Red S in different media using a continuous-wave diode-pump laser radiation at 532 nm. For Alizarin Red S in a droplet, the β, n2, χR, and γR were estimated at the order of 10−7 cm2/W and 10−12 cm/W, 10−3 m3 W−1 s−1 and 10−24 m6 W−1 s−1, respectively. The results indicated that the values of β and n2 reduced, whereas the values of χR and γR were enhanced when the solvent was changed from droplet to water, DMF, and dimethyl sulfoxide due to the change in the solvent’s dielectric constant (ε). Moreover, the values of β were enhanced by an increase in the concentration of the surfactant in the aqueous solution. The absorption spectra of Alizarin Red S in the aqueous solution was observed at 428 nm, and a few red shifts in the absorption spectra were observed with a reduction in the dielectric constant of the medium. The same effect was observed in the absorption spectra of Alizarin Red S in the droplet when the bulk dielectric constant reduced. The dielectric constant can affect the fluorescence spectra of Alizarin Red S when the solution is changed from water to dimethyl sulfoxide. The dipole moments of Alizarin Red S in the different media were studied using the quantum perturbation theory. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Fluorescence Springer Journals

Fluorescence and Nonlinear Optical Properties of Alizarin Red S in Solvents and Droplet

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Publisher
Springer Journals
Copyright
Copyright © 2018 by Springer Science+Business Media, LLC, part of Springer Nature
Subject
Biomedicine; Biomedicine, general; Biological and Medical Physics, Biophysics; Biotechnology; Biochemistry, general; Analytical Chemistry
ISSN
1053-0509
eISSN
1573-4994
D.O.I.
10.1007/s10895-018-2245-0
Publisher site
See Article on Publisher Site

Abstract

The enhancement of the nonlinear properties of materials is an interesting topic since it has many applications in optical devices and medicines. The Z-scan technique was used to study the values of the two-photon absorption (β), second-order molecular hyperpolarizability (γR), third-order susceptibility (χR), and nonlinear refractive index (n2) of Alizarin Red S in different media using a continuous-wave diode-pump laser radiation at 532 nm. For Alizarin Red S in a droplet, the β, n2, χR, and γR were estimated at the order of 10−7 cm2/W and 10−12 cm/W, 10−3 m3 W−1 s−1 and 10−24 m6 W−1 s−1, respectively. The results indicated that the values of β and n2 reduced, whereas the values of χR and γR were enhanced when the solvent was changed from droplet to water, DMF, and dimethyl sulfoxide due to the change in the solvent’s dielectric constant (ε). Moreover, the values of β were enhanced by an increase in the concentration of the surfactant in the aqueous solution. The absorption spectra of Alizarin Red S in the aqueous solution was observed at 428 nm, and a few red shifts in the absorption spectra were observed with a reduction in the dielectric constant of the medium. The same effect was observed in the absorption spectra of Alizarin Red S in the droplet when the bulk dielectric constant reduced. The dielectric constant can affect the fluorescence spectra of Alizarin Red S when the solution is changed from water to dimethyl sulfoxide. The dipole moments of Alizarin Red S in the different media were studied using the quantum perturbation theory.

Journal

Journal of FluorescenceSpringer Journals

Published: May 28, 2018

References

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