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Compound tin-boron-oxygen-bromine, tin-boron-oxygen-bromine nonlinear optical crystal, and preparation method and application thereof

A technology of nonlinear optics and compounds, applied in the direction of nonlinear optics, chemical instruments and methods, optics, etc., can solve problems such as widely varying performance

Pending Publication Date: 2020-09-04
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

Nonlinear performance Optical performance: Under the same conditions, the second-order nonlinear effect of tin boron oxybromide is 4.8 times that of tin boron oxychloride. The molecular formula is similar, but the performance is very different

Method used

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  • Compound tin-boron-oxygen-bromine, tin-boron-oxygen-bromine nonlinear optical crystal, and preparation method and application thereof
  • Compound tin-boron-oxygen-bromine, tin-boron-oxygen-bromine nonlinear optical crystal, and preparation method and application thereof
  • Compound tin-boron-oxygen-bromine, tin-boron-oxygen-bromine nonlinear optical crystal, and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] Preparation compound:

[0056] According to the reaction formula: 2SnBr 2 +3B 2 o 3 →Sn 2 B 5 o 9 Br+BBr 3 , the compound Sn was synthesized by solid phase reaction method 2 B 5 o 9 Br:

[0057] SnBr 2 , B 2 o 3 Mix evenly at a molar ratio of 2:3, put it into a platinum crucible, place it in a muffle furnace, raise the temperature to 450°C under vacuum or an inert atmosphere, and keep the temperature constant for 60 hours to obtain the compound Sn 2 B 5 o 9 Polycrystalline powder of Br.

Embodiment 2

[0059] Preparation compound:

[0060] According to the reaction formula: 2SnBr 2 +5H 3 BO 3 →Sn 2 B 5 o 9 Br+6H 2 O+3HBr, compound Sn was synthesized by solid state reaction 2 B 5 o 9 Br:

[0061] SnBr 2 , H 3 BO 3 Mix evenly at a molar ratio of 2:5, put it into a platinum crucible, place it in a muffle furnace, raise the temperature to 400°C under vacuum or an inert atmosphere, and keep the temperature constant for 100 hours to obtain the compound Sn 2 B 5 o 9 Polycrystalline powder of Br.

Embodiment 3

[0063] Preparation compound:

[0064] According to the reaction formula: SnO+SnBr 2 +2B 2 o 3 +H 3 BO 3 →Sn 2 B 5 o 9 Br+HBr+H 2 O, the compound Sn was synthesized by solid phase reaction 2 B 5 o 9 Br:

[0065] SnO, SnBr 2 , B 2 o 3 , H 3 BO 3 Mix evenly according to the proportion of the reaction formula in Example 3, put it into a platinum crucible, place it in a muffle furnace, raise the temperature to 500°C under vacuum or an inert atmosphere, and keep the temperature constant for 120 hours to obtain the compound Sn 2 B 5 o 9 Polycrystalline powder of Br.

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Abstract

The invention provides a preparation method and application of a compound tin-boron-oxygen-bromine and a tin-boron-oxygen-bromine nonlinear optical crystal, the chemical formula of the compound is Sn2B5O9Br, the molecular weight of the compound is 515.37, and the compound is prepared by adopting a solid-phase synthesis method or a vacuum packaging method; the chemical formula of the crystal is Sn2B5O9Br, the molecular weight is 515.37, the crystal belongs to an orthorhombic system, the space group is Pn2, the cell parameters are as follows: a = 11.398 (4) angstroms, b = 11.446 (4) angstroms, c= 6.553 (2) angstroms, the unit cell volume is 854.9 (5) angstroms<3>, the powder frequency doubling effect of the crystal is about 2.4 times that of KH2PO4 (KDP), and the ultraviolet cutoff edge is330 nm. The crystal grows by adopting a melt method, a high-temperature melt method, a vacuum packaging method, a hydrothermal method or a room-temperature solution method, has good chemical stability, and can be used as a short-wavelength nonlinear optical crystal to be applied to an all-solid-state laser.

Description

technical field [0001] The invention relates to a compound tin boron oxybromide and tin boron oxybromide nonlinear optical crystal, a preparation method and application. Background technique [0002] Short-wavelength nonlinear optical crystals can convert near-infrared and visible lasers into short-wavelength 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 currently practical short-wavelength nonlinear optical crystal is the KBe crystal 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 and low yield, which limit their applications to a certain extent. Therefore, it is of great significance and practical value to prepare and synthesize new short-wavelength nonlinear optical crystal materials with excellent c...

Claims

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Application Information

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IPC IPC(8): C30B29/10C30B15/00C30B17/00C30B11/02C30B9/12C30B7/10C30B7/04C30B28/02G02F1/355
CPCC30B7/04C30B7/10C30B9/12C30B11/02C30B15/00C30B17/00C30B28/02C30B29/10G02F1/3551
Inventor 潘世烈郭靖宇韩树娟于浩海
Owner XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI