Compound sodium octaborate decafluoride, and sodium octaborate decafluoride nonlinear optical crystal, preparation method and application thereof

A kind of sodium decafluoride octaborate and nonlinear optics technology, which is applied in the fields of compound sodium decafluoride octaborate and sodium decafluoride octaborate nonlinear optical crystal and its preparation and use, and can solve problems such as difficulty in growing large-sized crystals. , to achieve the effect of easy processing and preservation, not easy to deliquescence, and stable physical and chemical properties

Pending Publication Date: 2022-02-18
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

As we all know, the current practical ultraviolet and even deep ultraviolet nonlinear optical crystal is KBe invented by Chinese scientists. 2 BO 3 f 2 (KBBF) crystal, BaB 2 o 4 (BBO) and LiB 3 o 5 (LBO), however, these crystals have defects such as difficulty in growing large-sized crystals, which limits their applications to a certain extent

Method used

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  • Compound sodium octaborate decafluoride, and sodium octaborate decafluoride nonlinear optical crystal, preparation method and application thereof
  • Compound sodium octaborate decafluoride, and sodium octaborate decafluoride nonlinear optical crystal, preparation method and application thereof
  • Compound sodium octaborate decafluoride, and sodium octaborate decafluoride nonlinear optical crystal, preparation method and application thereof

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Experimental program
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Effect test

Embodiment 1

[0055] Preparation compound:

[0056] According to the reaction formula: 2NaF+2NaBF 4 +3B 2 o 3 →Na 4 B 8 o 9 f 10 , using the solid-state reaction method to synthesize the compound Na 4 B 8 o 9 f 10 :

[0057] NaF, NaBF 4 , B 2 o 3 Mix evenly at a molar ratio of 2:2:3, put it into a platinum crucible, place it in a muffle furnace and raise the temperature to 450°C, and keep the temperature constant for 72 hours to obtain the compound Na 4 B 8 o 9 f 10 polycrystalline powder.

Embodiment 2

[0059] Preparation compound:

[0060] According to the reaction formula: 2NaF+2NaBF 4 +6H 3 BO 3 →Na 4 B 8 o 9 f 10 +9H 2 O, the compound Na was synthesized by a solid-state reaction method 4 B 8 o 9 f 10 :

[0061] NaF, NaBF 4 , H 3 BO 3 Mix evenly at a molar ratio of 1:1:3, put it into a platinum crucible, place it in a muffle furnace and raise the temperature to 450°C, and keep the temperature constant for 24 hours to obtain the compound Na 4 B 8 o 9 f 10 polycrystalline powder.

Embodiment 3

[0063] Preparation compound:

[0064] According to the reaction formula: 18NaOH+8NaBF 4 →Na 4 B 8 o 9 f 10 +22NaF+9H 2 O, the compound Na was synthesized by a solid-state reaction method 4 B 8 o 9 f 10 :

[0065] NaOH, NaBF 4 Mix evenly at a molar ratio of 9:4, put it into a platinum crucible, place it in a muffle furnace and raise the temperature to 350°C, and keep the temperature constant for 120 hours to obtain the compound Na 4 B 8 o 9 f 10 polycrystalline powder.

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Abstract

The invention provides a compound sodium octaborate decafluoride, and a sodium octaborate decafluoride nonlinear optical crystal, a preparation method and application thereof, wherein the chemical formula of the compound is Na4B8O9F10, the molecular weight is 512.44, the compound is prepared by adopting a hydrothermal method or a vacuum packaging method, the compound belongs to an orthorhombic system, the space group is Pna2[1], the cell parameters are that a is 18.680(18)angstrom, b is 15.852 (16)angstrom, c is 4.816 (4) angstrom, alpha is 90 degrees, beta is 90 degrees, gamma is 90 degrees, the unit cell volume is 1425.9(7)angstrom<3>, the frequency doubling effect of the crystal is 0.7 * KH2PO4 (@1064 nm) and 0.1 * beta-BaB2O4 (@532 nm), the ultraviolet absorption edge is shorter than 200 nm, the crystal is grown through a melt method, a high-temperature melt method, a vacuum packaging method, a hydrothermal method or a room-temperature solution method, and the crystal is good in chemical stability and small in refractive index dispersion and can serve as a deep ultraviolet transmission nonlinear optical crystal to be applied to an all-solid-state laser.

Description

technical field [0001] The present invention relates to a kind of compound decafluoride sodium octaborate Na 4 B 8 o 9 f 10 and sodium decafluoride octaborate Na 4 B 8 o 9 f 10 Nonlinear optical crystal, its preparation method and application. Background technique [0002] Ultraviolet nonlinear optical crystals can convert near-infrared and visible lasers into ultraviolet lasers by using their frequency conversion properties, and have important application values ​​in medical, communication, scientific research and other fields. As we all know, the current practical ultraviolet and even deep ultraviolet nonlinear optical crystal is KBe invented by Chinese scientists. 2 BO 3 f 2 (KBBF) crystal, BaB 2 o 4 (BBO) and LiB 3 o 5 (LBO), however, these crystals have defects such as difficulty in growing large-sized crystals, which limits their applications to some extent. Therefore, it is of great significance and practical value to prepare and synthesize new UV nonli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B35/06C01B35/10C30B7/04C30B7/10C30B9/12C30B11/00C30B15/00C30B17/00C30B29/10
CPCC01B35/06C01B35/10C30B29/10C30B15/00C30B17/00C30B11/00C30B9/12C30B7/10C30B7/04C01P2002/72C01P2002/77
Inventor 潘世烈杨志华程欢欢
Owner XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI
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