Creatininium 4-nitrobenzoate - A phase matchable organic nonlinear optical material with large laser-induced damage threshold value for optoelectronics applications

A promising organic nonlinear optical (NLO) material of creatininium 4-nitrobenzoate (C4NB) was grown as single crystals using slow evaporation solution technique. The grown crystal was crystallized in orthorhombic system of acentric space group, P2(1)2(1)2(1). The crystalline nature was analyzed by powder X-ray diffraction study. The molecular structure was evidently established by using H-1 and C-13 NMR spectral analysis. The UV-vis-NIR spectrum showed high optical transparency of C4NB crystal in Vis-NIR region with lower cut-off wavelength at 353 nm. Thermal analysis revealed that C4NB crystal was thermally stable up to 225 degrees C. The dielectric behavior was studied at different temperatures as a function of frequency varies from 50 Hz to 5 MHz. The mechanical nature and photoconductivity behaviour were carried out effectively for grown crystal. The NLO phase matching and laser -induced damage threshold (LDT) characteristics of C4NB crystal was done by Nd:YAG laser and compared with other organic crystals. All these characterizations and their results recognized that grown crystal may be exploited for optoelectronics applications in near future. (C) 2018 Elsevier Ltd. All rights reserved.