Compound caesium potassium fluoborate and caesium potassium fluoborate non-linear optic crystal, and preparation method and applications thereof

A cesium potassium fluoroborate and nonlinear optics technology, applied in the field of compounds, can solve the problems of long-term layered growth habit and limited application of crystal growth period

Active Publication Date: 2018-01-16
XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI
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AI-Extracted Technical Summary

Problems solved by technology

Due to the long growth period of the crystal, the presence of highly toxic Be elem...
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Abstract

The invention provides compound caesium potassium fluoborate and caesium potassium fluoborate non-linear optic crystal, and a preparation method and applications thereof. The chemical formula of the compound is CsKB8O12F2, the molecular weight is 488.48, and the compound is prepared via solid phase synthesis or vacuum packaging method. The chemical formula of the caesium potassium fluoborate non-linear optic crystal is CsKB8O12F2, the molecular weight is 488.48, the caesium potassium fluoborate non-linear optic crystal belongs to trigonal system, the space group is P321, the cell parameters a=b=6.598 angstroms, c=7.652 angstroms, alpha=beta=90 DEG, gamma=120 DEG, unit-cell volume is 288.5 angstroms, the frequency-doubled effect is about 2 times of that of KH2PO4(KDP), the UV absorption edge ranges from 150 to 200nm. Crystal growth of CsKB8O12F2 is realized via high temperature molten method, vacuum packaging method, hydrothermal method, or room temperature solution method; deliquescence of the crystal is not caused in the air; the chemical stability is excellent; and the crystal can be used in all-solid-state lasers as an ultraviolet, deep ultraviolet non-linear optic crystal.

Application Domain

Polycrystalline material growthFrom normal temperature solutions +4

Technology Topic

UltravioletChemical stability +17

Image

  • Compound caesium potassium fluoborate and caesium potassium fluoborate non-linear optic crystal, and preparation method and applications thereof
  • Compound caesium potassium fluoborate and caesium potassium fluoborate non-linear optic crystal, and preparation method and applications thereof
  • Compound caesium potassium fluoborate and caesium potassium fluoborate non-linear optic crystal, and preparation method and applications thereof

Examples

  • Experimental program(25)

Example Embodiment

[0047] Example 1
[0048] Preparation compound:
[0049] According to the reaction formula: CsF+KF+4B 2 O 3 →CsKB 8 O 12 F 2 , The compound CsKB was synthesized by solid phase synthesis 8 O 12 F 2 :
[0050] CsF, KF, B 2 O 3 Mix evenly according to the molar ratio of 1:1:4, put it into a clean, non-polluting platinum crucible with a volume of 28mL, heat up to 450°C and keep it constant for 96 hours to obtain the compound CsKB 8 O 12 F 2 Polycrystalline powder.

Example Embodiment

[0051] Example 2
[0052] Preparation compound:
[0053] According to the reaction formula: CsF+KF+8H 3 BO 3 →CsKB 8 O 12 F 2 +12H 2 O↑, the compound CsKB was synthesized by solid-phase reaction method 8 O 12 F 2 :
[0054] CsF, KF, H 3 BO 3 Mix evenly according to the molar ratio of 1:1:4, put it into a clean, non-polluting platinum crucible with a volume of 28mL, raise the temperature to 500°C and keep the temperature constant for 3 hours to obtain the compound CsKB 8 O 12 F 2 Polycrystalline powder.

Example Embodiment

[0055] Example 3
[0056] Preparation compound:
[0057] According to the reaction formula: CsF+KBF 4 +4B 2 O 3 →CsKB 8 O 12 F 2 +BF 3 ↑, the compound CsKB is synthesized by vacuum packaging method 8 O 12 F 2 :
[0058] CsF, KBF 4 , B 2 O 3 Mix evenly according to the molar ratio of 1:1:2, put it into a Φ40mm quartz tube, vacuum the quartz tube, the vacuum degree reaches 1×10 -3 Pa, vacuum package with flame gun, put into muffle furnace, heat up to 350°C at a rate of 50°C, hold constant temperature for 96 hours, turn on the quartz tube after the temperature drops to room temperature, and obtain compound CsKB 8 O 12 F 2 Polycrystalline powder.

PUM

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