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A kind of preparation method and application of nonlinear optical crystal cesium iodate molybdate

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

Active Publication Date: 2022-07-29
SICHUAN UNIV
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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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  • A kind of preparation method and application of nonlinear optical crystal cesium iodate molybdate
  • A kind of preparation method and application of nonlinear optical crystal cesium iodate molybdate
  • A kind of preparation method and application of nonlinear optical crystal cesium iodate molybdate

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Embodiment 1

[0027] like Figure 1-3 As shown, a method for preparing a nonlinear optical crystal cesium iodate molybdate 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. Cs to be weighed 2 CO 3 , HIO 3 and MoO 3 Add to the PTFE reaction liner, and then add ethylimidazole tetrafluoroborate ([EIm]BF to the PTFE reaction liner 4 ), after stirring evenly, mixture A was 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 is weighed 10mmol, ethylimidazole tetrafluoroborate The molar ratio of acid salt is 20 times that of cesium carbonate;

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

Embodiment 2

[0042] like Figure 1-3 As shown, a method for preparing a nonlinear optical crystal cesium iodate molybdate proposed by the present invention comprises the following specific steps:

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

[0044] S2. Cs to be weighed 2 CO 3 , HIO 3 and MoO 3Add to the PTFE reaction liner, and then add ethylimidazole tetrafluoroborate ([EIm]BF to the PTFE reaction liner 4 ), after stirring evenly, mixture A was 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 is weighed 10mmol, ethylimidazole tetrafluoroborate The molar ratio of acid salt is 20 times that of cesium carbonate;

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

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Abstract

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. The preparation method has the following specific steps: S1. Weighing Cs in proportion 2 CO 3 , HIO 3 and MoO 3 ; S2, Cs to be weighed 2 CO 3 , HIO 3 and MoO 3 Add it into the PTFE reaction lining, then add ethylimidazole tetrafluoroborate to the PTFE reaction lining, and stir evenly to obtain mixture A; S3, put the PTFE containing mixture A The reaction lining is put into the stainless steel jacket, and the steel sleeve is tightened to heat and keep warm; S4, take out the PTFE reaction lining, cool it to room temperature and open the PTFE reaction lining to obtain CsMo 2 O 5 (IO 4 ) compound. The invention can efficiently and accurately synthesize the polyiodate nonlinear optical crystal material, 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 iodate molybdate. Background technique [0002] Nonlinear optical crystals are key basic materials in the optoelectronic industry, which has attracted extensive attention from academia and technology. iodate because I 5+ The cation has active lone pair electrons, which can effectively improve the nonlinear optical effect, which makes 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 studied iodate, they found that iodate can undergo polymerization, which effectively increased the density of iodate of nonlinear optically active groups. Previous studies have shown that polyiodate exhibits Strong nonlinear optical performance; [0003] Most of traditional iodates are obtained under t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C30B29/10C30B7/10G02F1/355
CPCC30B29/10C30B7/10G02F1/3551
Inventor 邹国红曾伟
Owner SICHUAN UNIV
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