PVC is derived from salt and hydrocarbons. It’s durable, long-lasting, and finds use in a wide range of applications such as construction, packaging, electrical wiring, and medicine. Polyvinyl Chloride or “PVC” is a widely used thermoplastic. The photoresponse of the NH 4 H 3 (C 4 O 8)♲H 2 O crystals is analyzed from light-dependent I-V characteristics, and it is observed that the crystals exhibit photoresistive behavior.3D Insider is ad supported and earns money from clicks, commissions from sales, and other ways. The mechanical strength of the crystals is determined using Vickers microhardness technique. The thermal stability and the decomposition mechanism of the crystals is studied using TG-DTA analysis. These measurements show that the crystals exhibit substantial emission in the blue region. The optical properties like absorbance and emission of these crystals are determined using UV-Vis and photoluminescence spectroscopy, respectively. These measurements corroborate the results of SCXRD and confirm the triclinic system of the crystals. The structural properties of the crystals are also evaluated using powder XRD measurements on their finely crushed powder. The evaluation of the molecular structure of the crystals using SCXRD shows that they belong to the triclinic crystal system with space group P-1. The analysis of the synthesized NH 4 H 3 (C 4 O 8)♲H 2 O single crystals has been carried out through measurements such as single-crystal X-ray diffraction (SCXRD), powder XRD, UV-Vis and photoluminescence spectroscopy, Fourier transform infrared spectroscopy, thermo-gravimetric and differential thermal analysis (TG-DTA), Vickers microhardness measurements and current versus voltage (I-V) characteristics. The crystals are synthesized using solvent evaporation technique. From TG/DTA analysis, the decomposition point for methyl orange doped L-alanine acetate crystal is found to be at 290 0 C which shows more thermal stability compared to that of undoped L-alanine acetate crystal.Ī different approach used in the synthesis of ammonium hydrogen oxalate oxalic acid dihydrate (NH 4 H 3 (C 4 O 8)♲H 2 O) single crystals is presented. EDS analysis shows the elements present in the grown samples. The mechanical properties such as hardness value, yield strength and stiffness constant were estimated by the Vicker's Microhardness measurement. NLO property of the crystal is confirmed by Kurtz-Perry powder technique. The optical band gap was also calculated for the grown crystal. The optical emission bands were estimated by the Photoluminescence Studies. From UV-Vis-NIR spectral study, it is noted that the transmission in the lower cutoff wave length, reflecting the good transmittance property of the crystal in the entire visible region. T h e c e l l p a r a m e t e r s w e re calculated using Powder X-ray diffraction analysis and the functional groups were identified using the Fourier Transforms Infra-Red Spectroscopic (FTIR) studies. The samples were synthesized and purified by repeated re-crystallization process and the s o l u b i l i t y o f t h e s a m p l e w a s f o u n d a t d i f f e r e n t t e m p e r a t u r e s. In the present work, L-alanine acetate and methyl orange (dye) doped L-alanine acetate crystal was grown by slow evaporation method. The potential application of amino acid crystals, used in NLO applications leads to intensive investigation about the material. Keywords: L-Tartaric acid, Crystal growth, EDAX, Optical properties, Thermo-gravimetric analysis The mechanical strength of the crystal was determined by Vickers hardness test. The SHG activity of the grown crystal was confirmed by Kurtz-Perry powder technique. Thermal stability of DAHPT was determined from TG/DTA curves. The UV-Vis-NIR spectrum of DAHPT shows zero absorbance in the entire visible region which enables it to be suitable for optical applications. The elements present in the grown crystal was confirmed by EDAX. The presence of the functional groups in the crystal lattice was confirmed by FTIR spectral analysis. The lattice parameters of the grown crystals were determined by single crystal X-ray diffraction technique and the crystalline nature of the grown crystal was confirmed by powder XRD analysis. The grown crystal was subjected to different characterization in order to test its suitability for device fabrication. Abstract: A new semiorganic non-linear optical crystal of Di-Ammonium Hydrogen Phospho Tartrate (DAHPT) was grown successfully by slow evaporation technique.
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