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Preparation method and application of bismuth oxyiodide non-linear optical crystal

A nonlinear optics, bismuth oxyiodide technology, applied in nonlinear optics, chemical instruments and methods, optics, etc., can solve problems such as few nonlinear optical properties of oxyhalide, achieve a large laser damage threshold, low cost, The effect of the large octave effect

Active Publication Date: 2018-08-14
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

However, detailed studies on the nonlinear optical properties of oxyhalides are still rare

Method used

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  • Preparation method and application of bismuth oxyiodide non-linear optical crystal
  • Preparation method and application of bismuth oxyiodide non-linear optical crystal
  • Preparation method and application of bismuth oxyiodide non-linear optical crystal

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] a, 0.002mol bismuth nitrate pentahydrate (Bi(NO 3 ) 3 ·5H 2 O) Dissolve in 10mL of ethylene glycol, and simultaneously dissolve 0.002mol of potassium iodide (KI) in 10mL of ethylene glycol, stir magnetically for 40min until fully dissolved, and mark solution A and solution B respectively;

[0026] b. Add the B solution obtained in step a dropwise into the A solution, and after magnetically stirring for 30 minutes, mark it as C solution;

[0027] c. Pour the C solution obtained in step b into a 50mL reaction kettle, raise the temperature to 150°C, keep it warm for 16h, cool down to room temperature naturally, separate the powder with a filter, and rinse with deionized water and alcohol three times respectively to remove impurities;

[0028] d. After drying the filtered powder in a drying oven at a temperature of 60°C for 5 hours, take it out and collect it after grinding to obtain a mixture;

[0029] e. Take 0.3 g of the mixture obtained in step d, dissolve it in 100...

Embodiment 2

[0031] a, 0.002mol bismuth nitrate pentahydrate (Bi(NO 3 ) 3 ·5H 2 (2) Dissolve in 10mL ethylene glycol), and simultaneously dissolve 0.002mol of sodium iodide (NaI) in 10mL ethylene glycol, stir magnetically for 40min until fully dissolved, and mark as A solution and B solution respectively;

[0032] b. Add the B solution obtained in step a dropwise into the A solution, and after magnetically stirring for 40 minutes, mark it as C solution;

[0033] c. Pour the C solution obtained in step b into a 50mL reaction kettle, raise the temperature to 160°C, keep it warm for 17h, cool down to room temperature naturally, separate the powder with a filter, and rinse it with deionized water and alcohol three times respectively to remove impurities;

[0034] d. After drying the filtered powder in a drying oven at a temperature of 80°C for 6 hours, take it out and collect it after grinding to obtain a mixture;

[0035] e. Take 0.3 g of the mixture obtained in step d and dissolve it in ...

Embodiment 3

[0037] a, 0.002mol bismuth nitrate pentahydrate (Bi(NO 3 ) 3 ·5H 2 O) be dissolved in 10mL ethylene glycol, simultaneously dissolve the sodium iodide (NaI) of 0.002mol in 10mL ethylene glycol, stir magnetically for 60min, mark as A solution and B solution respectively;

[0038] b. Add the B solution obtained in step a dropwise into the A solution, and after magnetically stirring for 60 minutes, mark it as C solution;

[0039] c. Pour the C solution obtained in step b into a 50mL reaction kettle, raise the temperature to 170°C, keep it warm for 18h, cool down to room temperature naturally, separate the powder with a filter, and rinse it with deionized water and alcohol three times respectively to remove impurities;

[0040] d. After drying the filtered powder in a drying oven at a temperature of 90°C for 8 hours, take it out and collect it after grinding to obtain a mixture;

[0041] e. Take 0.3 g of the mixture obtained in step d, dissolve it in 100 mL of deionized water, ...

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Abstract

The invention relates to a preparation method and application of a bismuth oxyiodide non-linear optical crystal. The chemical formula of the crystal is Bi4O5I2; the crystal belongs to a monoclinic system with a space group of P21. The bismuth oxyiodide non-linear optical crystal is synthesized by adopting a hydrolysis method which is simple and low in cost; the raw material is convenient to obtain. The bismuth oxyiodide non-linear optical crystal obtained by the method disclosed by the invention can be used for preparing a non-linear optical device frequency-doubling generator and is a nonlinear optical material with applied value.

Description

technical field [0001] The invention relates to a preparation method and application of a bismuth oxyiodide nonlinear optical crystal, the chemical formula of which is Bi 4 o 5 I 2 . Background technique [0002] Nonlinear optical crystals are very important optical functional materials, and nonlinear optical devices can be made by using the second-order nonlinear optical effects of crystals. With the continuous demand of military and other civilian applications, optical devices in various fields have been developed a lot, and have important applications in many fields such as laser communication, laser medical treatment, and laser microprocessing. According to the light transmission band and scope of application, inorganic nonlinear optical crystal materials can be divided into nonlinear optical materials in the ultraviolet region, nonlinear optical materials in the visible region and nonlinear optical materials in the infrared region. Due to the special benefits of oxi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C30B29/16C30B7/14G02F1/355
CPCC30B7/14C30B29/16G02F1/3551
Inventor 潘世烈尹若楠杨志华
Owner XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI
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