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Preparation method and application of nonlinear optical crystal molybdic acid cesium iodate

A technology of nonlinear optics and acid cesium iodate, which is applied in nonlinear optics, chemical instruments and methods, optics, etc., can solve the problems of unfavorable iodate polymerization and difficulty in finding polymerized iodate, and achieve the effect of simple operation

Active Publication Date: 2022-02-11
SICHUAN UNIV
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  • Summary
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  • Description
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Problems solved by technology

[0003] The traditional iodate is mostly obtained under the condition of hydrothermal reaction. The presence of water dilutes the concentration of iodate in the reactant, which is not conducive to the polymerization of iodate, and even the polymerized iodate can be hydrolyzed into isolated iodate. making the discovery of polymeric iodates very difficult

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  • Preparation method and application of nonlinear optical crystal molybdic acid cesium iodate
  • Preparation method and application of nonlinear optical crystal molybdic acid cesium iodate
  • Preparation method and application of nonlinear optical crystal molybdic acid cesium iodate

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Embodiment 1

[0027] Such as Figure 1-3 Shown, the preparation method of a kind of nonlinear optical crystal molybdate cesium iodate proposed by the present invention comprises the following specific steps:

[0028] S1. Weigh Cs according to the molar ratio of 1:1:1 2 CO 3 、HIO 3 and MoO 3 ;

[0029] S2, the Cs to be weighed 2 CO 3 、HIO 3 and MoO 3 Added to the PTFE reaction liner, and then added ethylimidazole tetrafluoroborate ([EIm]BF 4 ), after stirring evenly, the mixture A is obtained; Cs 2 CO 3 、HIO 3 、MoO 3 And the mass ratio of ethylimidazole tetrafluoroborate is 0.163:0.088:0.144:1.839; ethylimidazole tetrafluoroborate is liquid, ethylimidazole tetrafluoroborate weighs 10mmol, ethylimidazole tetrafluoroborate The molar ratio of acid salt is 20 times that of cesium carbonate;

[0030] S3. Put the polytetrafluoroethylene reaction liner containing the mixture A into a stainless steel jacket, tighten the steel jacket and heat it to 120°C in an oven, and keep it warm for...

Embodiment 2

[0042] Such as Figure 1-3 Shown, the preparation method of a kind of nonlinear optical crystal molybdate cesium iodate proposed by the present invention comprises the following concrete steps:

[0043] S1. Weigh Cs according to the molar ratio of 1:2:2 2 CO 3 、HIO 3 and MoO 3 ;

[0044] S2, the Cs to be weighed 2 CO 3 、HIO 3 and MoO 3Added to the PTFE reaction liner, and then added ethylimidazole tetrafluoroborate ([EIm]BF 4 ), after stirring evenly, the mixture A is obtained; Cs 2 CO 3 、HIO 3 、MoO 3 And the mass ratio of ethylimidazole tetrafluoroborate is 0.163:0.088:0.144:1.839; ethylimidazole tetrafluoroborate is liquid, ethylimidazole tetrafluoroborate weighs 10mmol, ethylimidazole tetrafluoroborate The molar ratio of acid salt is 20 times that of cesium carbonate;

[0045] S3. Put the polytetrafluoroethylene reaction liner containing the mixture A into a stainless steel jacket, tighten the steel jacket and heat it to 150°C in an oven, and keep it warm for ...

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Abstract

The invention relates to the technical field of nonlinear optical crystal materials, and in particular, relates to a preparation method and application of nonlinear optical crystal molybdic acid cesium iodate, wherein the preparation method comprises the following specific steps: S1, weighing Cs2CO3, HIO3 and MoO3 according to a proportion; S2, adding the weighed Cs2CO3, HIO3 and MoO3 into a polytetrafluoroethylene reaction lining, then adding ethyl imidazole tetrafluoroborate into the polytetrafluoroethylene reaction lining, and after the materials are stirred to be uniform, obtaining a mixture A; S3, putting the polytetrafluoroethylene reaction lining filled with the mixture A into a stainless steel outer sleeve, tightening the steel sleeve, and then heating and preserving heat; and S4, taking out the polytetrafluoroethylene reaction lining, cooling the polytetrafluoroethylene reaction lining to room temperature, and opening the polytetrafluoroethylene reaction lining to obtain the CsMo2O5(IO4) compound. According to the method, the polymerized iodate nonlinear optical crystal material can be efficiently and accurately synthesized, and the operation is simple.

Description

technical field [0001] The invention relates to the technical field of nonlinear optical crystal materials, in particular to a preparation method and application of a nonlinear optical crystal cesium molybdate iodate. Background technique [0002] Nonlinear optical crystals are key basic materials in the optoelectronic industry, which has attracted extensive attention from academia and technology circles. Iodate because I 5+ Cations have active lone pairs of electrons, which can effectively improve the nonlinear optical effect, making researchers have great interest in it. At present, α-LiIO 3 and α-HIO 3 Already used as a commercial nonlinear optical crystal. When researchers were studying iodate, they found that iodate can undergo polymerization reaction, which effectively increases the density of nonlinear optically active group iodate. In existing studies, it has been shown that polymerized iodate exhibits Extremely strong nonlinear optical performance; [0003] The...

Claims

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Application Information

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IPC IPC(8): C30B29/10C30B7/10G02F1/355
CPCC30B29/10C30B7/10G02F1/3551
Inventor 邹国红曾伟
Owner SICHUAN UNIV
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