CN101619489A - Non-linear optical crystal tetrahydrate pentaborate potassium aluminate, preparation method and application thereof - Google Patents
Non-linear optical crystal tetrahydrate pentaborate potassium aluminate, preparation method and application thereof Download PDFInfo
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- CN101619489A CN101619489A CN200810071331A CN200810071331A CN101619489A CN 101619489 A CN101619489 A CN 101619489A CN 200810071331 A CN200810071331 A CN 200810071331A CN 200810071331 A CN200810071331 A CN 200810071331A CN 101619489 A CN101619489 A CN 101619489A
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Abstract
The invention relates to a non-linear optical crystal tetrahydrate pentaborate potassium aluminate, a preparation method and application thereof. The non-linear optical crystal tetrahydrate pentaborate potassium aluminate has a chemical formula of K2Al(B5O10).4H2O; and the chemical formula contain molecular weight of 391.29, belongs to orthorhombic system with a space group of C222(1), single cell parameters: a is equal to 9.340(3), b is equal to 10.308 (3), c is equal to 13.777 (5)*, alpha, beta and gamma are equal to 90 degrees, V is equal to 1326.4(8)*<3> and Z is equal to 4. The novel non-linear optical crystal tetrahydrate pentaborate potassium aluminate is prepared by a water (agent) thermal method. The tetrahydrate pentaborate potassium aluminate has excellent non-linear optical property, and the power SHG coefficient thereof is two times of KDP, which corresponds to LBO.
Description
Technical field
The present invention relates to a kind of nonlinear optical material four hydrations five aluminum borate potassium (chemical formulas: K
2Al[B
5O
10] 4H
2O) preparation and application.
Background technology
(Nonlinear Optics is a frontier of contemporary optics NLO) to nonlinear optics, is the research response of material and science of the nonlinear relationship that field intensity presents under the high light effect.In numerous non-linear optical effects, frequency-doubled effect (SHG) be the most noticeable also be the non-linear effect of studying at most.Optical material with non-linear effect is in modern science and technology, in particularly some civilian and military high-tech areas, for example photoelectricity communication, optical information storage, unicircuit, photoswitch, light slicer, color laser printing, blinding laser weapons, the ocean locating fish etc. all have a series of important application.
Studies show that borate compound compares the non-centrosymmetrical structure of the easier formation of compound of other type, but not the structure of the heart is the precondition that produces non-linear optical effect.Therefore, for a long time, the borate crystal of nonlinear optics is people's a research focus always.The nonlinear optics borate crystal of practical application comprises LiB at present
3O
5(LBO), β-BaB
2O
4(BBO), BiB
3O
6(BIBO) etc.Though these nonlinear optical materials are widely used in all trades and professions, yet different fields is also different to the requirement of nonlinear optical material, therefore can not have single nonlinear optical material optimization to be applied to all fields.This has just proposed requirement to the diversity of nonlinear optical material, so that can the specific nonlinear optical material of optimized selection in specific field.So be necessary to continue to seek and develop new nonlinear optical material.We are by adopting AlO
4The poly-boron anion bunch coordinated groups of the tetrahedron group and the non-heart is dressed up the strategy of non-core structure, thereby has obtained the novel non-linearity optical material of superior performance.
Summary of the invention
The objective of the invention is to prepare a kind of non-linear optical crystal tetrahydrate pentaborate potassium aluminate.
We select aluminum isopropylate (Al (i-PrO)
3), four water potassium tetraborate (K
2B
4O
74H
2O), make raw material, its mol ratio is 1: 2, adopts water and pyridine or N, and dinethylformamide (DMF) is made mixed solvent, the AlO that utilizes aluminum isopropylate to be hydrolyzed into
4The non-the heart-yin ion cluster of tetrahedron group and poly-borate is collaborative assembles, and makes counter ion with potassium ion, obtains the crystalline material of four hydrations, five aluminum borate potassium under water (agent) heat condition.
We record the single crystal structure of this compound, and its structural parameter are as follows:
Chemical formula is K
2Al[B
5O
10] 4H
2O, molecular weight are 391.29, belong to rhombic system, spacer C222
1, cell parameter is a=9.340 (3), b=10.308 (3),
α=β=γ=90 °,
Z=4.
The structure of four hydrations, five aluminum borate potassium is by AlO
4Tetrahedron and B
5O
10Bunch alternately be connected to three-dimensional spacious skeleton structure by summit altogether.[100], [010] and [001] direction in this structure have 8 yuan of ring foraminous spiral tracts, and direction has 11 membered ring channels in [110] and [110], and potassium ion and free water molecules are filled in 11 membered ring channels.
The nonlinear optics measurement shows that four hydrations, five aluminum borate potassium have good non-linear optical property, the very strong 532nm green glow of output under the 1064nm laser radiation, and its powder SHG coefficient is 2 times of KDP, and is suitable with LBO.
Four hydrations, five aluminum borate potassium provided by the invention are the crystal that grow at water (agent) process for thermosynthesizing.Material preparation method of the present invention has that technology is simple, productive rate is high and advantage such as good reproducibility.The advantage of this material be not soluble in general solvent, photoabsorption is low, transparency range is big
The prepared nonlinear optical material of this invention can be applicable to laser frequency conversion, Electro-optical Modulation, light and sells off high-tech areas such as information processing.
Embodiment
1, the preparation of compound
Example 1: Al (i-PrO)
3(204mg) and K
2B
4O
74H
2The mixture of O (611mg) joins 1.0mL water (H is housed
2O) and in the tetrafluoroethylene reactor of 3.0mL pyridine (pyridine) mixing solutions, use magnetic stirrer.After the question response thing dissolves fully, stop to stir, make Al in the reactor (i-PrO)
3/ K
2B
4O
74H
2O/pyridine/H
2The mol ratio of O is 1/2/37/56, and the tetrafluoroethylene reactor is packed into seals in the stainless steel high-pressure reactor then, 170 ℃ down reaction obtained water white prism-shaped crystal in 7 days.
Example 2: Al (i-PrO)
3(204mg) and K
2B
4O
74H
2The mixture of O (611mg) joins 1.0mL water (H is housed
2O) and in the tetrafluoroethylene reactor of 5.0mL dimethyl formamide (DMF) mixing solutions, use magnetic stirrer.After the question response thing dissolves fully, stop to stir, make Al in the reactor (i-PrO)
3/ K
2B
4O
74H
2O/DMF/H
2The mol ratio of O is 1/2/65/56, and the tetrafluoroethylene reactor is packed into seals in the stainless steel high-pressure reactor then, 170 ℃ down reaction obtained water white prism-shaped crystal in 7 days.
2, performance test
We carry out optical performance test to four hydrations, the five aluminum borate potassium that obtain, and its second order nonlinear optical effect is about 2 times of KDP.
Claims (4)
1. non-linear optical crystal tetrahydrate pentaborate potassium aluminate, it is characterized in that: its chemical formula is K
2Al[B
5O
10] 4H
2O, molecular weight is: 391.29, belong to rhombic system, spacer C222
1(No.20), cell parameter is a=9.340 (3), b=10.308 (3), c=13.777 (5)
α=β=γ=90 °, V=1326.4 (8)
Z=4.
2. the preparation method of four hydrations, the five aluminum borate potassium of a claim 1 is characterized in that: adopt the hot method preparation of water (agent).
3. the preparation method of four hydrations, five aluminum borate potassium as claimed in claim 2 is characterized in that: described hydrothermal method comprises the steps: reactant A l (i-PrO)
3, K
2B
4O
74H
2O, mol ratio be 1: 2, adopt water and pyridine or N, dinethylformamide is made mixed solvent, temperature of reaction is 170 ℃, the reaction times is 7 days.
4. the purposes of four hydrations, the five aluminum borate potassium of a claim 1, it is characterized in that: this crystal is used for laser projection tv, photometry calculation, optical-fibre communications, optical information storage, unicircuit, photoswitch, light slicer, color laser printing, blinding laser weapons, the ocean locating fish, the communication of submarine deep water, photoelectricity communication, video disc recording.
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|---|---|---|---|
| CN200810071331A CN101619489B (en) | 2008-07-03 | 2008-07-03 | Non-linear optical crystal tetrahydrate pentaborate potassium aluminate, preparation method and application thereof |
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|---|---|---|---|
| CN200810071331A CN101619489B (en) | 2008-07-03 | 2008-07-03 | Non-linear optical crystal tetrahydrate pentaborate potassium aluminate, preparation method and application thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101619489A true CN101619489A (en) | 2010-01-06 |
| CN101619489B CN101619489B (en) | 2012-08-29 |
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ID=41512895
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102191547A (en) * | 2010-03-02 | 2011-09-21 | 中国科学院福建物质结构研究所 | Nonlinear optical crystal potassium zinc triskaideca-borate hydrate, and preparation and application thereof |
| CN104451880A (en) * | 2014-12-02 | 2015-03-25 | 中国科学院福建物质结构研究所 | Crystalline material Pb2(BO3)(NO3) as well as preparation method and application thereof |
| CN104498028A (en) * | 2014-12-11 | 2015-04-08 | 陕西师范大学 | Al5BO9:Eu<3+> luminescent material and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1053021C (en) * | 1996-07-23 | 2000-05-31 | 山东大学 | Aluminium tetraborate gadolinium crystal blended with rare earth and growth method thereof |
-
2008
- 2008-07-03 CN CN200810071331A patent/CN101619489B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102191547A (en) * | 2010-03-02 | 2011-09-21 | 中国科学院福建物质结构研究所 | Nonlinear optical crystal potassium zinc triskaideca-borate hydrate, and preparation and application thereof |
| CN104451880A (en) * | 2014-12-02 | 2015-03-25 | 中国科学院福建物质结构研究所 | Crystalline material Pb2(BO3)(NO3) as well as preparation method and application thereof |
| CN104451880B (en) * | 2014-12-02 | 2017-01-18 | 中国科学院福建物质结构研究所 | Crystalline material Pb2(BO3)(NO3) as well as preparation method and application thereof |
| CN104498028A (en) * | 2014-12-11 | 2015-04-08 | 陕西师范大学 | Al5BO9:Eu<3+> luminescent material and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN101619489B (en) | 2012-08-29 |
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