Spectroscopic studies on the influence of UV irradiation on linear and nonlinear optical properties of 8-hydroxy quinoline based azo dye

Spectroscopic studies on the influence of UV irradiation on linear and nonlinear optical... -5-Sulfono-7-(4-Cloro phenyl azo)-8-Hydroxy Quinoline (SAHQ-Cl) is an organic azo compound. It has amorphous thin film structure for the pristine film and partially crystallizes upon UV irradiation. The effect of UV irradiation on the optical constants of SAHQ-Cl is studied using spectrophotometric measurements in the wavelength range 200–2500 nm. UV irra- diation increased the band gap from 2.44 to 2.8 eV, and increased the fluorescence emission intensity. Also, UV irradiation remarkably changed the material dispersion parameters. The nonlinear optical parameters are calculated and found to increase upon increasing UV irradiation time. The chromaticity diagram of SAHQ-Cl showed that it can give green color emission. 1 Introduction thermal annealing [11, 15]. The influence of UV irradiation on the optical properties of organic and inorganic materials The study of the physical properties of organic materials has been studied extensively [9, 13–16]. It is reported that is important due to their remarkable and tunable proper- UV irradiation strongly affect the optical absorption and ties in order to use them in devices fabrication. Also, the emission spectra of organic materials [16]. -5-Sulfono-7-(4- study of the effect of environmental conditions is crucial x phenyl azo)-8-hydroxy quinoline (SAHQ)-x ligands are for applications. Quinoline derivatives have a variety of http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Materials Science: Materials in Electronics Springer Journals

Spectroscopic studies on the influence of UV irradiation on linear and nonlinear optical properties of 8-hydroxy quinoline based azo dye

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Publisher
Springer US
Copyright
Copyright © 2018 by Springer Science+Business Media, LLC, part of Springer Nature
Subject
Materials Science; Optical and Electronic Materials; Characterization and Evaluation of Materials
ISSN
0957-4522
eISSN
1573-482X
D.O.I.
10.1007/s10854-018-9416-2
Publisher site
See Article on Publisher Site

Abstract

-5-Sulfono-7-(4-Cloro phenyl azo)-8-Hydroxy Quinoline (SAHQ-Cl) is an organic azo compound. It has amorphous thin film structure for the pristine film and partially crystallizes upon UV irradiation. The effect of UV irradiation on the optical constants of SAHQ-Cl is studied using spectrophotometric measurements in the wavelength range 200–2500 nm. UV irra- diation increased the band gap from 2.44 to 2.8 eV, and increased the fluorescence emission intensity. Also, UV irradiation remarkably changed the material dispersion parameters. The nonlinear optical parameters are calculated and found to increase upon increasing UV irradiation time. The chromaticity diagram of SAHQ-Cl showed that it can give green color emission. 1 Introduction thermal annealing [11, 15]. The influence of UV irradiation on the optical properties of organic and inorganic materials The study of the physical properties of organic materials has been studied extensively [9, 13–16]. It is reported that is important due to their remarkable and tunable proper- UV irradiation strongly affect the optical absorption and ties in order to use them in devices fabrication. Also, the emission spectra of organic materials [16]. -5-Sulfono-7-(4- study of the effect of environmental conditions is crucial x phenyl azo)-8-hydroxy quinoline (SAHQ)-x ligands are for applications. Quinoline derivatives have a variety of

Journal

Journal of Materials Science: Materials in ElectronicsSpringer Journals

Published: Jun 5, 2018

References

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