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Compound boron potassium nitrate, boron potassium nitrate nonlinear optical crystal, and preparation method and application of boron potassium nitrate nonlinear optical crystal

A technology of nonlinear optics and compounds, applied in the direction of nonlinear optics, chemical instruments and methods, boron compounds, etc., can solve the problems that the light transmission range is not very large and limit the application of crystals

Active Publication Date: 2021-06-08
XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, in the research of boron nitrate nonlinear optical system, a nonlinear optical crystal Pb with large frequency doubling has been found. 2 (BO 3 )NO 3 , but due to the existence of Pb, the light transmission range of this optical crystal with a large nonlinear optical effect is not very large, and the cut-off edge is greater than 300nm, which limits the application of the crystal in the short wavelength range

Method used

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  • Compound boron potassium nitrate, boron potassium nitrate nonlinear optical crystal, and preparation method and application of boron potassium nitrate nonlinear optical crystal
  • Compound boron potassium nitrate, boron potassium nitrate nonlinear optical crystal, and preparation method and application of boron potassium nitrate nonlinear optical crystal
  • Compound boron potassium nitrate, boron potassium nitrate nonlinear optical crystal, and preparation method and application of boron potassium nitrate nonlinear optical crystal

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Experimental program
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Effect test

Embodiment 1

[0038] Preparation compound:

[0039] According to the reaction formula: 6KF+20H 3 BO 3 +3KNO 3 →3K 3 B 6 o 10 NO 3 +2BF 3 ↑+30H 2 O ↑, compound K was synthesized by solid phase reaction 3 B 6 o 10 NO 3 :

[0040] Will KF,H 3 BO 3 and KNO 3 Mix evenly at a molar ratio of 6:20:3, put it into a ceramic crucible, place it in a muffle furnace and heat it up to 220°C, keep the temperature constant for 15 hours, take it out and grind it twice during the heat preservation period, so that the reactants are mixed evenly to form a powder with uniform components. Put the pre-fired powder into a ceramic crucible and put it in a muffle furnace, raise the temperature to 400°C, and keep the temperature constant for 48 hours to obtain compound K 3 B 6 o 10 NO 3 .

Embodiment 2

[0042] Preparation compound:

[0043] According to the reaction formula: 6KF+10B 2 o 3 +3KNO 3 →3K 3 B 6 o 10 NO 3 +2BF 3 ↑, compound K was synthesized by solid phase reaction 3 B 6 o 10 NO 3 :

[0044] Will KF,B 2 o 3 and KNO 3 Mix evenly according to a molar ratio of 6:10:3, put it into a ceramic crucible, place it in a muffle furnace and raise the temperature to 230°C, keep the temperature constant for 20 hours, take it out and grind it 3 times during the heat preservation period, so that the reactants are mixed evenly to form a powder with uniform components. Put the pre-fired powder into a ceramic crucible and put it in a muffle furnace, raise the temperature to 420°C, and keep the temperature constant for 30 hours to obtain compound K 3 B 6 o 10 NO 3 .

Embodiment 3

[0046] Preparation compound:

[0047] According to the reaction formula: 2KOH+6H 3 BO 3 +KNO 3 →K 3 B 6 o 10 NO 3 +10H 2 O ↑, compound K was synthesized by solid phase reaction 3 B 6 o 10 NO 3 :

[0048] KOH,H 3 BO 3 and KNO 3 Mix evenly according to the molar ratio of 2:6:1, put it into a ceramic crucible, place it in a muffle furnace and raise the temperature to 230°C, keep the temperature constant for 25 hours, take it out and grind it twice during the heat preservation period, so that the reactants are mixed evenly to form a powder with uniform components. Put the pre-fired powder into a ceramic crucible and put it in a muffle furnace, raise the temperature to 420°C, and keep the temperature constant for 30 hours to obtain compound K 3 B 6 o 10 NO 3 .

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Abstract

The invention provides a compound boron potassium nitrate, a boron potassium nitrate nonlinear optical crystal and a preparation method and application thereof, the chemical formula of the compound is K3B6O10NO3, the molecular weight is 404.17, and the compound is prepared by adopting a solid-phase synthesis method or a vacuum packaging method; the chemical formula of the crystal is K3B6O10NO3, the molecular weight is 404.17, the crystal belongs to a trigonal system, the space group is P3121, the cell parameters are that a is 8.3079 angstroms, b is 8.3079 angstroms, c is 15.3281 angstroms, alpha is equal to beta, and is equal to 90 degrees, gamma is equal to 120 degrees, the unit cell volume is 916 angstrom<3>, the frequency-doubled effect of the crystal is about 0.2 times that of KH2PO4 (KDP), the ultraviolet cut-off edge is 216 nm, the crystal is grown by adopting a vacuum packaging method or a cosolvent method, and the crystal has certain chemical stability. The crystal can be used as an ultraviolet nonlinear optical crystal in an all-solid-state laser.

Description

technical field [0001] The invention relates to a compound potassium boronitrate and potassium boronnitrate nonlinear optical crystal, a preparation method and application. Background technique [0002] Nonlinear optical crystals are crystals with nonlinear optical effects. With the invention and application of lasers, the research field of nonlinear optical crystals has gradually emerged, and the research shows that they have extremely broad application prospects in spectrometers, microelectronics, and information communications. Different application fields require different laser frequencies, and ultraviolet lasers with shorter wavelengths have important application value in medical, communication, scientific research and other fields. As the main frequency conversion crystal, ultraviolet nonlinear optical crystals can convert near-infrared and visible lasers into At present, the ultraviolet nonlinear optical crystals that have been commercialized mainly include LiB 3 ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B35/14C30B29/22C30B9/12C30B1/10H01S3/109H01S3/06H01S3/16G02F1/355
CPCC01B35/146C30B29/22C30B9/12C30B1/10H01S3/109H01S3/0602H01S3/163H01S3/1666G02F1/3551C01P2002/30
Inventor 潘世烈张方方张琦琦
Owner XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI