CN101676216B - Potassium stibium zincate compound, single crystalloid, preparation method and usage thereof - Google Patents
Potassium stibium zincate compound, single crystalloid, preparation method and usage thereof Download PDFInfo
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- CN101676216B CN101676216B CN200810071774.8A CN200810071774A CN101676216B CN 101676216 B CN101676216 B CN 101676216B CN 200810071774 A CN200810071774 A CN 200810071774A CN 101676216 B CN101676216 B CN 101676216B
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- single crystal
- antimony potassium
- potassium zincate
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Abstract
The present invention relates to nonlinear optical material and photoluminescent Material Fields. Its chemical formula of the crystal be KZn4SbO7, molecular weight 534.33, belong to hexagonal crystal system, space group P6 (3) mc, cell parameter be a=6.141 (3), b=6.141 (3),
, α=90 °, β=90 °, γ=120 °,
Z=2. It is prepared using high temperature solid-state method. Antimony potassium zincate (KZn4SbO7) has excellent non-linear optical property, and powder SHG coefficient is equivalent to three times of KDP, and emission wavelength covers purple light to feux rouges and strong blue light emitting range, is expected to become white light emitting material.
Description
Technical field
The present invention relates to collect the complex optics functional materials of nonlinear optics and luminescent properties one and synthesize.
Background technology
Non-linear optic crystal, has frequency-doubled effect (SHG), in laser frequency conversion, Electro-optical Modulation, light is sold off the high-tech areas such as information processing significant application value.Nonlinear optical material is in modern science and technology, particularly in some military and civilian high-tech areas, such as the communication of submarine deep water, blinding laser weapons, the ocean locating fish, video disc recording, color laser printing, laser projection tv, photometry calculation and optical-fibre communications etc., has a series of important application.The non-linear optic crystal of practical application at present comprises LiB
3o
5(LBO), β-BaB
2o
4(BBO), KH
2pO
4(KDP), KTiOPO
4(KTP), LiNbO
3and BaTiO (LNO)
3(BTO) etc.In addition, luminescent material is made the light emitting diode for light source, large screen display out of doors, and traffic signals, the three primary colours light that card read/write apparatus, particularly light emitting diode produce is widely used in white-light illuminating, the important fields such as light decoration.The blue light light emitting diode material of practical application at present or laboratory research and development is mainly GaN and ZnO.In exploring nonlinear optics and luminescent material, we find spacer P6 (3) mc of ZnO from the structure of known materials, have non-core structure, and have strong blue light emitting performance.Therefore, we wish replace the position of Zn atom or ZnO is carried out to addition with other atomic components, make its generation distort and regulate and control energy band structure, to obtain novel non-linearity optics and the three-color light-emitting material of superior performance.The research of relevant this respect there is no bibliographical information.
Summary of the invention
One of object of the present invention is to prepare antimony potassium zincate compound.
Two of object of the present invention is to prepare antimony potassium zincate single crystal.
Antimony potassium zincate compound prepared by the present invention, its chemical formula is KZn
4sbO
7, molecular weight is 534.33.
Antimony potassium zincate compound adopts pyroprocess synthetic.Particularly, by K:Zn:Sb (mol ratio)=1:4:1, weighed K
2cO
3, ZnO and Sb
2o
3, grind, mix, then at high temperature constant temperature, it is fully reacted, can obtain pure phase.Aforementioned high temperature constant temperature temperature is 700 ℃.
Antimony potassium zincate single crystal prepared by the present invention, its chemical formula is KZn
4sbO
7, molecular weight is 534.33, belongs to hexagonal system, spacer P6 (3) mc, and cell parameter is a=6.141 (3), b=6.141 (3), c=9.948 (6)
, α=90 °, β=90 °, γ=120 °, V=324.9 (3)
3, Z=2.
The three-dimensional frame structure of antimony potassium zincate crystal is that zinc oxygen tetrahedron and antimony oxygen octahedra are total to summit by Sauerstoffatom and are formed by connecting, and potassium atom is in this tetrahedron and octahedral space.In compound, have independently zinc atom of two kinds of crystallography, zinc and its four oxygen around form tetrahedral configuration, wherein Zn (1) O
4between tetrahedron, by common summit, be connected to form along the one dimensional infinite coiled strand of a direction and b direction, and Zn (2) O
4also by common summit, be connected to form along the one dimensional infinite coiled strand of a direction and b direction with SbO6.
Antimony potassium zincate single crystal is prepared by pyroprocess.Particularly, with sylvite, ZnCO
3with Sb
2o
3for raw material, mix grinding, after pre-burning, grind, and then high temperature constant temperature, then slow cooling, it naturally cools to room temperature relief, obtains water white tabular crystal.
Aforementioned sylvite can be selected K
2cO
3or KCl or KNO3.The feed molar ratio of aforementioned base materials: K:Zn:Sb (mol ratio)=4:2:2.High temperature described in aforementioned preparation method is 800 ℃, the controlled speed being made as with 3 ℃ per hour of slow cooling speed.
The measurement of Kurtz powder method shows, antimony potassium zincate single crystal is exported very strong 532nm green glow under 1064nm laser radiation, and its powder SHG coefficient is roughly equivalent to three times of KDP.This type of nonlinear optical material is in modern science and technology, particularly in some military and civilian high-tech areas, such as the communication of submarine deep water, blinding laser weapons, the ocean locating fish, video disc recording, color laser printing, laser projection tv, photometry calculation and optical-fibre communications etc., has a series of important application.
The uv-visible absorption spectra of this crystal powder shows, maximum absorption peak is near 337nm, and absorption cutoff wavelength is 450nm.From known its of its fluorescence spectrum (excitation wavelength 240nm), at 400nm-600nm, there is an obvious very wide transmitting paddy peak, and have very sharp-pointed emission peak at 418nm, 488nm place.The structure of this stibnate and luminous behavior are at home and abroad not reported, and are expected to prepare white light emitting material and small high-power solid statelaser and new luminous or scintillation material aspect and have a series of important application.
Accompanying drawing explanation
Fig. 1. antimony potassium zincate along the axial structure iron of a.
Fig. 2. the pure phase coatings of antimony potassium zincate.
Fig. 3. the uv-visible absorption spectra figure of antimony potassium zincate.
Fig. 4. the fluorescence emission spectrogram of antimony potassium zincate.
Embodiment
Embodiment 1 antimony potassium zincate powder preparation
Will be by metering than load weighted K
2cO
3, ZnO and Sb
2o
3grind, mix, put into platinum crucible, in retort furnace, in 700 ℃ of stoichiometric numbers hour, can obtain pure phase, productive rate can reach 100%.
The preparation of embodiment 2 antimony potassium zincate single crystal
By the K2CO weighing up in K:Zn:Sb=4:2:2 ratio
3, ZnCO
3with Sb
2o
3grind, mix, put into Pt crucible, put into box-type furnace 300 ℃ of pre-burnings, grind.Finally at 800 ℃ of constant temperature 10h, then with the speed of 3 ℃ per hour, cool to 700 ℃, and then be down to 500 ℃ with the speed of 6 ℃ per hour, it naturally cools to room temperature relief, in crucible bottom, obtains many water white tabular crystals.This crystalline substance the present has been carried out to Advances in crystal X-ray diffraction crystallographic analysis and known that it is antimony potassium zincate, structure as shown in Figure 1.Its crystallographic parameter: its chemical formula is KZn
4sbO
7, molecular weight is 534.33, belongs to hexagonal system, spacer P6 (3) mc, and cell parameter is a=6.141 (3), b=6.141 (3),
α=90 °, β=90 °, γ=120 °,
z=2.
Claims (3)
1. an antimony potassium zincate single crystal, is characterized in that: this single crystal chemical formula is KZn
4sbO
7, molecular weight is 534.33, belongs to hexagonal system, spacer P6 (3) mc, and cell parameter is
2. a preparation method for the antimony potassium zincate single crystal of claim 1, is characterized in that: adopt the growth of high temperature solid-state synthetic method, with sylvite, ZnCO
3with Sb
2o
3for raw material, mix grinding, after pre-burning, grind, 800 ℃ of constant temperature then, then slow cooling, it naturally cools to room temperature relief, obtains water white tabular crystal; Aforementioned sylvite is selected K
2cO
3or KCl or KNO
3, the reinforced mol ratio of raw material: K:Zn:Sb=4:2:2.
3. a purposes for the antimony potassium zincate single crystal of claim 1, is characterized in that: this antimony potassium zincate single crystal is calculated or optical-fibre communications for the communication of submarine deep water, blinding laser weapons, the ocean locating fish, video disc recording, color laser printing, laser projection tv, small high-power solid statelaser, photometry.
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|---|---|---|---|
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| CN101676216B true CN101676216B (en) | 2014-03-05 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1696342A (en) * | 2005-06-13 | 2005-11-16 | 中国科学院理化技术研究所 | Method and equipment for preparing single-crystal doped Nano zinc oxide tube through gaseous phase deposition |
| CN101037795A (en) * | 2007-01-29 | 2007-09-19 | 浙江大学 | Sb doped P-type ZnO crystal film and preparation method thereof |
| WO2008008885A3 (en) * | 2006-07-12 | 2008-04-17 | Nanophase Tech Corp | Crystalline nanostructured particles |
-
2008
- 2008-09-16 CN CN200810071774.8A patent/CN101676216B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1696342A (en) * | 2005-06-13 | 2005-11-16 | 中国科学院理化技术研究所 | Method and equipment for preparing single-crystal doped Nano zinc oxide tube through gaseous phase deposition |
| WO2008008885A3 (en) * | 2006-07-12 | 2008-04-17 | Nanophase Tech Corp | Crystalline nanostructured particles |
| CN101037795A (en) * | 2007-01-29 | 2007-09-19 | 浙江大学 | Sb doped P-type ZnO crystal film and preparation method thereof |
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