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Synthesis, Growth, Structural, Spectroscopic, Thermal and Optical Properties of NLO Single Crystal: L-Threonine Zinc Acetate

Synthesis, Growth, Structural, Spectroscopic, Thermal and Optical Properties of NLO Single... Synthesis and single crystal growth of nonlinear optical crystal l-threonine zinc acetate (LTZA) is reported and compared with the pure l-threonine in this paper. L-threonine and LTZA crystals are characterized with single crystal and powder XRD, FTIR, UV-Vis-NIR, TG/DTA analyses and SHG test. Single crystals with optically desirable transparency were grown in solution by slow evaporation technique at 35oC using a constant temperature bath (CTB) with an accuracy of ±0.01oC. Single crystal XRD was carried out to examine the crystal system and unit cell parameters. Powder XRD pattern confirms that there is change in the basic structure of materials. The presence of functional groups in the crystal lattice was qualitatively analyzed by FTIR spectrum. Thermal property of grown crystals was reported in the TGA/DTA analyses. Thermal studies revealed that grown crystal LTZA is thermally stable upto 92oC. Optical property of the crystals examined by UV-Vis-NIR studies showed that l-threonine and LTZA crystals are transparent in the range of 200-1100 nm. The second harmonic generation (SHG) efficiency of the LTZA crystal was studied by Kurtz powder method and the efficiency was 3.3 times greater than that of pure KDP and when compared with the parent compound, it was found that efficiency is three times greater than that of l-threonine. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Photonics and Optoelectronics Science and Engineering Publishing Company

Synthesis, Growth, Structural, Spectroscopic, Thermal and Optical Properties of NLO Single Crystal: L-Threonine Zinc Acetate

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Publisher
Science and Engineering Publishing Company
Copyright
Science and Engineering Publishing Company
ISSN
2304-1064
eISSN
2304-1072

Abstract

Synthesis and single crystal growth of nonlinear optical crystal l-threonine zinc acetate (LTZA) is reported and compared with the pure l-threonine in this paper. L-threonine and LTZA crystals are characterized with single crystal and powder XRD, FTIR, UV-Vis-NIR, TG/DTA analyses and SHG test. Single crystals with optically desirable transparency were grown in solution by slow evaporation technique at 35oC using a constant temperature bath (CTB) with an accuracy of ±0.01oC. Single crystal XRD was carried out to examine the crystal system and unit cell parameters. Powder XRD pattern confirms that there is change in the basic structure of materials. The presence of functional groups in the crystal lattice was qualitatively analyzed by FTIR spectrum. Thermal property of grown crystals was reported in the TGA/DTA analyses. Thermal studies revealed that grown crystal LTZA is thermally stable upto 92oC. Optical property of the crystals examined by UV-Vis-NIR studies showed that l-threonine and LTZA crystals are transparent in the range of 200-1100 nm. The second harmonic generation (SHG) efficiency of the LTZA crystal was studied by Kurtz powder method and the efficiency was 3.3 times greater than that of pure KDP and when compared with the parent compound, it was found that efficiency is three times greater than that of l-threonine.

Journal

Journal of Photonics and Optoelectronics – Science and Engineering Publishing Company

Published: Jul 1, 2013

Keywords: Zinc Acetate; l-threonine; Crystal Growth

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