Highly capable nonlinear optical brucinium di-hydrogen citrate tri-hydrate (BDHCTH) single crystal under organic material category has been grown-up successfully by slow evaporation method. Optical, electrical, and thermal investigations were made on title crystal to discover the suitability of fabrication of an optical as well as electrical device for the first time. Crystal structure analysis confirms that, the BDHCTH crystal belongs to triclinic crystal system with non-centro symmetric space group P1. The SLDT value of BDHCTH crystal was found to be 4.22 GW/cm2. Second harmonic generation efficiency of the BDHCTH compound is 1.08 times superior to the reference sample KDP. An attribution of single and sharp peak with lesser full width half maximum value confirms the presence of very fewer defects in the grown crystal. An electric response of the title compound shows the normal dielectric behavior. The piezoelectric charge co-efficient (d33) was found to be 4.5 p C/N. Photo luminescence study confirms that the synthesized sample possess violet, blue and red emission behaviors. Presences of various functional groups in the title sample were identified by FT-IR study. Thermal stability of the compound BDHCTH was found to be 135 °C. Kinetic parameters such as activation energy, Arrhenius factor, standard entropy of activation, standard enthalpy of activation, standard Gibb's energy of activation (ΔG*) and induction time of the grown sample were found to be 161.6396 k J mol−1, 7.4854 s−1, -230.8278 J K mol−1, 154.854 k J mol−1, 249.0314 k J mol−1 and 52 days respectively. At the end of an optical, electrical and thermal analysis, we concluded that the grown crystal is an optimistic tool for microelectronics, OPO and OLED applications due to existence of good SHG value, lesser defect and red emission behavior.
A new brucinium 4-methyl-3-nitrobenzoate 0.5 hydrate (B4M3NB0.5H) NLO single crystal was harvested from saturated solution by solvent evaporation method. Crystal system and symmetric type of B4M3NB0.5H compound were analyzed by structure analysis. Linear optical parameters of title compound were discussed in detail by UV–visible analysis. Lifetime values of the molecule were quantified by fluorescence study, and it confirms the good crystalline perfection of the grown crystal. The SHG efficiency is 5.11 times superior to the KDP material. By utilizing Nd:YAG laser as an input, SLDT measurement of the crystal was done. The grown crystal has good crystalline nature which is analyzed by HRXRD study. Dielectric behavior of B4M3NB0.5H crystal was discussed in detail. With the help of theoretical approach, few of the solid-state parameters were calculated and listed. Piezoelectric charge coefficient and piezovoltage were calculated to be 4.5 p C/N and 0.0417 p V m/N, respectively. The TGA and DTA spectrum confirms that the title compound is thermally stable up to 101 °C.
The fine quality of brucinium di-hydrogen borate hydrate (BDHBH) single crystal was harvested from the saturation solution by slow evaporation technique. Crystal structure was solved by SHELEX program and which confirms that the title crystal belongs to monoclinic crystal system with non-centro symmetric space group P21. Linear optical parameters such as transparency range, cut-off wavelength, optical band gap, electro-negativity and refractive index of the title crystal were computed by UV–Visible study. The high surface laser threshold damage (SLDT) value shows its suitability in laser application coupled with high power output. Second order non-linear behavior was confirmed by Kurtz-Perry powder technique. The lesser value of FWHM shows the better quality of the grown crystal. Title compound is a utensil candidate for blue emission applications in field of optical device fabrications which is demonstrated by fluorescence optical study. The grown crystal exhibits RISE which is analyzed by Viker's micro hardness measurements. Dielectric study shows, the dielectric constant decreases exponentially by increasing frequency which confirms the normal dielectric performance and low dielectric loss indicates that, the lower concentration of defects in the title compound. Piezoelectric charge coefficient and piezo-voltage of BDHBH crystal were found to be 2 p C/N and 0.0175 p V m N−1 respectively. The multiple decomposition stages of the title compound were discussed in detail by various thermal analyses such as TGA, DTA and DSC.
A new and optically good transparent Brucinium Chlorate di-hydrate (BCDH) single crystal was grown from aqueous solution by the slow evaporation technique at a pH of 5 with dimension 11 x 4 x 2 mm(3) over a period of 40-45 days. It belongs to the monoclinic crystal system with non-centrosymmetric space group C2 which is identified by single crystal XRD analysis. Percentage of carbon, hydrogen and oxygen are confirmed by chemical CHN analysis. The development faces were identified by morphological studies. The BCDH crystal possesses 78% transmittance which is confirmed by UV-Visible analysis. The presences of various functional groups were confirmed by vibrational analysis. Piezoelectric charge co-efficient (d(33)) of BCDH crystal was found to be 4 p C/N. The frequency doubling ability of title compound was analyzed using Kurtz and Perry powder method and its output were compared with standard materials. The LDT value of the BCDH crystal was found to be 3.51 GW/cm(2). The electron excitation and life time measurements of the molecules in grown BCDH crystal was studied by Fluorescence spectral analysis. The stability and various decomposition stages of BCDH crystal were scrutinized by different thermal analysis.
In the present work, a good transparent semi-organic brucinium bromide hydrate (BBH) single crystal was grown from the saturated solution by slow evaporation method. The single crystal XRD study reveals that, BBH crystallize in Triclinic crystal system with non-centrosymmetric space group P1. Presences of chemical elements such as Carbon, Hydrogen and Nitrogen are C = 38.79%, H = 44.10% and N = 3.48% respectively. The morphological study concludes that, the growth rate along 'c' direction is more expeditious than that of a & b. The UV-Visible spectrum confirms the good transparency of the crystal and diverse optical parameters such as cut-off wavelength, band gap, UV-resonance energy and refractive index values were calculated and relation between the different optical parameters were also discussed in detail. Chemical bonding nature of BBH crystal was identified with the aid of optical electro-negativity value. The Urbach energy value was found to be 0.1238 eV. LDT value of BBH crystal was found to be 6.43 GW/cm(2) and it is compared with other standard materials such as KTP, KDP and Urea. To find the suitability of crystal in the field of nonlinear optical application, the second harmonic generation value was determined using Kurtz-Perry powder technique. The spectroscopic investigations were done by vibrational analysis in order to identify the different functional groups in BBH compound. The value of piezo-electric charge co-efficient (d(33)) was quantified by PM-300 piezometer. Fluorescence spectral study provides the knowledge about electron excitation and also life time of the molecules. Title crystal does not contain any internal structural grain boundaries which are confirmed by HRXRD analysis. (C) 2018 Elsevier B.V. All rights reserved.