Tetrathiourea cobalt dichloride compound and single crystal preparation method thereof

A tetrathiourea cobalt dichloride and compound technology, applied in the direction of cobalt organic compounds, can solve the problems of light absorption, energy gap red shift, opacity, etc., and achieve the effects of fast growth rate, high optical quality and simple operation

Inactive Publication Date: 2022-07-22
ZAOZHUANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Most of the nonlinear optical materials discovered so far are inorganic compounds, while organic nonlinear optical materials are rare. This is because the agglomeration of organic groups in most organic nonlinear optical materials will cause the energy gap to red shift. It causes the crystal to absorb light in the ultraviolet range, so it is opaque; secondly, the dipole interaction between the organic nonlinear anion groups is relatively large, making most organic compounds have a centrosymmetric structure, so there is no second-order nonlinear effect

Method used

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  • Tetrathiourea cobalt dichloride compound and single crystal preparation method thereof
  • Tetrathiourea cobalt dichloride compound and single crystal preparation method thereof

Examples

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Effect test

Embodiment 1

[0021] Synthesis of tetrathiourea cobalt dichloride (CoCl 2 (CS(NH 2 ) 2 ) 4 ) compound and its crystal growth: The tetrathiourea cobalt dichloride compound was synthesized by spontaneous nucleation method and crystal growth was carried out, and its chemical equation was: 4CS (NH 2 ) 2 +CoCl 2 →CoCl 2 (CS(NH 2 ) 2 ) 4 ;

[0022] Mix thiourea, cobalt chloride and deionized water in a molar ratio of 4:1:10, where thiourea and cobalt chloride are placed in a weighing paper, deionized water is placed in a 5ml beaker, and left to stand. Room temperature; slowly pour the weighed thiourea into deionized water, and stir the solution with a glass rod for 10 minutes until the thiourea is completely dissolved; slowly add the weighed cobalt chloride to the above solution in 5 batches, each Stir for 5 minutes until the cobalt chloride is completely dissolved, and finally a clear and transparent solution is obtained; the solution is placed in an incubator, and after 3 days of spon...

Embodiment 2

[0024] Synthesis of tetrathiourea cobalt dichloride (CoCl 2 (CS(NH 2 ) 2 ) 4 ) compound and its crystal growth: The tetrathiourea cobalt dichloride compound was synthesized by spontaneous nucleation method and crystal growth was carried out, and its chemical equation was: 4CS (NH 2 ) 2 +CoCl 2 →CoCl 2 (CS(NH 2 ) 2 ) 4 ;

[0025] Mix thiourea, cobalt chloride and deionized water in a molar ratio of 4:1:20, where thiourea and cobalt chloride are placed in a weighing paper, deionized water is placed in a 5ml beaker, and left to stand. room temperature; slowly pour the weighed thiourea into deionized water, and stir the solution with a glass rod for 20 minutes until the thiourea is completely dissolved; slowly add the weighed cobalt chloride into the above solution in 3 batches, each Stir for 10 minutes until the cobalt chloride is completely dissolved, and finally a clear and transparent solution is obtained; the solution is placed in an incubator, and after 6 days of s...

Embodiment 3

[0027] Synthesis of tetrathiourea cobalt dichloride (CoCl 2 (CS(NH 2 ) 2 ) 4 ) compound and its crystal growth: The tetrathiourea cobalt dichloride compound was synthesized by spontaneous nucleation method and crystal growth was carried out, and its chemical equation was: 4CS (NH 2 ) 2 +CoCl 2 →CoCl 2 (CS(NH 2 ) 2 ) 4 ;

[0028] Mix thiourea, cobalt chloride and deionized water in a molar ratio of 4:1:15, where thiourea and cobalt chloride are placed in a weighing paper, deionized water is placed in a 5ml beaker, and placed in a static state. Room temperature; slowly pour the weighed thiourea into deionized water, and stir the solution with a glass rod for 10 minutes until the thiourea is completely dissolved; slowly add the weighed cobalt chloride into the above solution in 2 batches, each Stir for 15 minutes until the cobalt chloride is completely dissolved, and finally a clear and transparent solution is obtained; the solution is placed in an incubator, and after ...

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Abstract

The chemical formula of the tetrathiourea cobalt dichloride compound is CoCl2 (CS (NH2) 2) 4, the crystal form of the tetrathiourea cobalt dichloride compound is of a single pure-phase tetragonal structure, the single crystal size of the tetrathiourea cobalt dichloride compound is centimeter level, the space group of the tetrathiourea cobalt dichloride compound is P42 / n, the cell parameters of the tetrathiourea cobalt dichloride compound are alpha = 90 degrees, beta = 90 degrees and gamma = 90 degrees, and the density of the tetrathiourea cobalt dichloride compound is 434.32 g / cm < 3 >. The tetrathiourea cobalt dichloride compound provided by the invention is a novel pure-phase organic tetragonal structure compound; according to the spontaneous nucleation method, centimeter-level transparent single crystal particles can be obtained, the operation is simple, the cost is low, the growth speed is high, the optical quality is high, and the like.

Description

technical field [0001] The invention relates to the technical field of organic compound synthesis and nonlinear optical materials, in particular to a tetrathiourea cobalt dichloride compound and a method for preparing a single crystal thereof. Background technique [0002] In all-solid-state lasers, the laser is obtained by performing multi-stage frequency conversion of the fundamental wave light through nonlinear optical crystals. Therefore, in order to obtain high-quality laser output, in addition to high-power, high-beam quality pump sources, high-quality non-linear Linear optical crystals are essential. [0003] Most of the nonlinear optical materials discovered so far are inorganic compounds, but there are very few organic nonlinear optical materials. This is because the agglomeration between organic groups in most organic nonlinear optical materials will cause the energy gap to red shift. This causes the crystal to absorb light in the ultraviolet wavelength range, thu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F15/06
CPCC07F15/065C07B2200/13
Inventor 曹珑玉王坤鹏张建秀徐本燕刘泳陈洪彬王雪娇崔启林
Owner ZAOZHUANG UNIV
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