S. Ahamed, P. Srinivasan, J. Balaji
Apr 13, 2018
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Molecular Crystals and Liquid Crystals
Abstract
Abstract Single crystals of N’-[(E)-(4-bromophenyl) (phenyl) methylidene]–4-methylbenzenesulfonohydrazide (4BBTH), having potential applications in nonlinear electro optic field. The structure is elucidated by single crystal X-ray diffraction analysis. The functional groups are identified by FT-IR analysis. The band gap energy is estimated using diffuse reflectance data by the application of Kubelka–Munk algorithm. Third-order nonlinear optical properties of the grown crystal were derived by employing a single beam Z-scan technique. Theoretical calculations were performed using density functional theory (DFT) method. Estimated large first-order molecular hyperpolarizality of 9.79 times of urea, suggests a charge transfer atmosphere facilitating micro level nonlinearity.GRAPHICAL ABSTRACT