Growth and characterization of benzil single crystals using nanotranslation by the modified vertical Bridgman technique

Benzil single crystals have been grown by the modified vertical Bridgman technique using the double\udwall ampoule with nanotranslation for the first time. The characterization studies of benzil crystals\udgrown by both single and double wall ampoules were analyzed. The grown benzil crystal was confirmed\udby single crystal and powder X-ray diffraction analyses. Fourier transform infrared analysis confirms\udthe functional groups of the grown benzil. High resolution X-ray diffraction analysis indicates the\udcrystalline perfection of the grown crystals. The UV-Vis-NIR studies show that the grown benzil\udcrystals cutoff wavelength is around 434 nm. The green emission of the grown benzil was identified by\udphotoluminescence studies. The thermal property of the grown benzil was studied by thermogravimetric and differential thermal analyses. The dielectric measurements of benzil crystals were carried out with different frequencies and temperatures and the results indicate an increase in\uddielectric and conductivity parameters with the increase of temperature at all frequencies. The second\udharmonic conversion efficiency of the grown benzil was determined.\u