Influence of Halogens on the Growth Aspects of Allylthiourea Cadmium Complex Nonlinear Optical Single Crystals

IF 0.7 4区材料科学 Q4 ELECTROCHEMISTRY

Journal of New Materials For Electrochemical Systems Pub Date : 2022-06-10 DOI:10.14447/jnmes.v25i2.a04

R. Perumal, Sethuramachandran Thanikaikarasan, M. Saravannan, R. Kanimozhi, S. Sudharthini

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Abstract

Allylthiourea complex crystals is an organometallic complex, a new nonlinear optical materials with high second harmonic generation effect. Tri-allylthiourea cadmium chloride and Tri-allylthiourea cadmium bromide are the promising nonlinear optical crystals belonging to this family. Both the crystals have been grown from an aqueous solution by slow cooling technique. The solubility and growth optimization of the grown crystals in terms of pH were analyzed and the influence of the different halogen atoms on the properties of as grown single crystals was studied by conducting various characterization techniques. Powder X-ray diffraction studies revealed that both the crystals are trigonal crystal structure with R3C space group. The spectroscopic properties were investigated by recording the Fourier Transform Infra Red and UV-Visible-NIR spectroscopy. Spectrocopic study confirmed the coordination of metal and red shift of the grown crystal. Nonlinear behavior of the as grown crystals was identified by Kurtz powder technique. Thermal and electrical properties of the as grown crystals were also analyzed by thermogravimetric and dielectric studies. Influence of the halogens on the growth as well as the properties were studied.

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卤素对烯丙基硫脲镉复合非线性光学单晶生长的影响

烯丙基硫脲配合物晶体是一种有机金属配合物，是一种具有高二次谐波产生效应的新型非线性光学材料。三烯丙基硫脲氯化镉和三烯丙基硫脲溴化镉是该家族中很有前途的非线性光学晶体。这两种晶体都是通过缓慢冷却技术从水溶液中生长出来的。分析了生长晶体在pH条件下的溶解度和生长优化，并通过各种表征技术研究了不同卤素原子对生长单晶性能的影响。粉末x射线衍射研究表明，两种晶体均为具有R3C空间群的三角晶体结构。通过傅立叶变换红外光谱和紫外-可见-近红外光谱记录研究了其光谱性质。光谱学研究证实了金属与生长晶体红移的配合。用库尔兹粉末技术鉴定了生长晶体的非线性行为。用热重法和介电法分析了生长晶体的热学和电学性质。研究了卤素对其生长和性能的影响。

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来源期刊

Journal of New Materials For Electrochemical Systems ELECTROCHEMISTRY-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

1.90

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： This international Journal is intended for the publication of original work, both analytical and experimental, and of reviews and commercial aspects related to the field of New Materials for Electrochemical Systems. The emphasis will be on research both of a fundamental and an applied nature in various aspects of the development of new materials in electrochemical systems.