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1 2017

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Synthesis, growth and characterization of organic crystal triphenylmethane p-nitroaniline: a nonlinear optical crystal

Bhuvaneswari G., Prasad L. G., Prabhavathi N.

Materials Science Poland

2017

Vol. 35, No. 3

667--672

A triphenylmethane-4-nitroaniline salt has been synthesized and the crystals have been grown by using slow evaporation solution growth technique. The grown single crystal was investigated by recording the powder XRD, FT-IR spectrum, UV-Vis spectrum, Vickers microhardness test, dielectric measurements and powder SHG. The growth of crystal was confirmed by analyzing the XRD pattern and it was stated that the grown material crystallized in triclinic system. Vibrational peaks of the functional groups existing in the compound were identified. Vickers microhardness studies were carried to measure the mechanical strength. In order to identify the phase transition temperature, the dielectric studies were carried out at different temperatures. Dielectric constant, dielectric loss and impedance of the crystal were monitored with respect to the frequency of electric field.