Synthesis and characterization of 8-hydroxyquinolin-1-ium 2,2,2-trifluoroacetate and 8-hydroxyquinolin-1-ium 2,2,2-trichloroacetate by z-scan technique

The 8-hydroxyquinolin-1-ium 2,2,2-trifluoroacetate and 8-hydroxyquinolin-1-ium 2,2,2-trichloroacetate (8-HQ) salts have been synthesized and characterized by FTIR, NMR and UV–Vis absorption spectroscopic methods. The third order nonlinear optical properties (NLO) of the two 8-HQ salts have been inve...

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Bibliographic Details
Published in:Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy Molecular and biomolecular spectroscopy, 2018-02, Vol.190, p.135-139
Main Authors: Zidan, M.D., Arfan, A., Allahham, A.
Format: Article
Language:English
Subjects:
Hydroxyquinolin
Nonlinear materials
Z-scan technique
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Summary:The 8-hydroxyquinolin-1-ium 2,2,2-trifluoroacetate and 8-hydroxyquinolin-1-ium 2,2,2-trichloroacetate (8-HQ) salts have been synthesized and characterized by FTIR, NMR and UV–Vis absorption spectroscopic methods. The third order nonlinear optical properties (NLO) of the two 8-HQ salts have been investigated by z-scan technique. The recorded experimental data led to calculate the nonlinear optical absorption coefficient (β), the nonlinear refractive index (n2), the excited-state absorption cross section (σex) and the ground-state absorption cross section (σg) of the studied compounds. The two 8-HQ salts have been found to exhibit large optical nonlinearity. These types of materials may be considering new photonic applications. [Display omitted] •Synthesis and characterization of two 8-hydroxyquinolin fluoro/chloroacetate” derivatives.•The nonlinear optical parameters were evaluated via z-scan method.•Our new samples exhibit self-defocusing property with negative value of the n2.
ISSN:1386-1425
DOI:10.1016/j.saa.2017.09.022