CN109135732A - A kind of preparation method of near-infrared quantum-cutting nano material - Google Patents
A kind of preparation method of near-infrared quantum-cutting nano material Download PDFInfo
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- 239000002086 nanomaterial Substances 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 28
- 229910052681 coesite Inorganic materials 0.000 claims abstract description 30
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract description 30
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052682 stishovite Inorganic materials 0.000 claims abstract description 30
- 229910052905 tridymite Inorganic materials 0.000 claims abstract description 30
- 239000002105 nanoparticle Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- 206010001497 Agitation Diseases 0.000 claims description 16
- 238000013019 agitation Methods 0.000 claims description 16
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 14
- 235000019441 ethanol Nutrition 0.000 claims description 10
- 238000000227 grinding Methods 0.000 claims description 10
- 238000005245 sintering Methods 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 7
- 239000000908 ammonium hydroxide Substances 0.000 claims description 7
- 230000010355 oscillation Effects 0.000 claims description 7
- 230000001376 precipitating effect Effects 0.000 claims description 7
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 5
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 5
- 239000012300 argon atmosphere Substances 0.000 claims description 5
- 239000012298 atmosphere Substances 0.000 claims description 5
- VSGNNIFQASZAOI-UHFFFAOYSA-L calcium acetate Chemical compound [Ca+2].CC([O-])=O.CC([O-])=O VSGNNIFQASZAOI-UHFFFAOYSA-L 0.000 claims description 5
- 235000011092 calcium acetate Nutrition 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000008236 heating water Substances 0.000 claims description 4
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 238000003760 magnetic stirring Methods 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical compound ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 claims description 2
- 239000001639 calcium acetate Substances 0.000 claims description 2
- 229960005147 calcium acetate Drugs 0.000 claims description 2
- 125000004494 ethyl ester group Chemical group 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- FDRCDNZGSXJAFP-UHFFFAOYSA-M sodium chloroacetate Chemical compound [Na+].[O-]C(=O)CCl FDRCDNZGSXJAFP-UHFFFAOYSA-M 0.000 claims description 2
- 229960002415 trichloroethylene Drugs 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 238000001228 spectrum Methods 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 239000011258 core-shell material Substances 0.000 abstract description 3
- 238000004458 analytical method Methods 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000000695 excitation spectrum Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- -1 rare earth ion Chemical class 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- YNJBWRMUSHSURL-UHFFFAOYSA-N trichloroacetic acid Chemical class OC(=O)C(Cl)(Cl)Cl YNJBWRMUSHSURL-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
- C09K11/7772—Halogenides
- C09K11/7773—Halogenides with alkali or alkaline earth metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
- C09K11/025—Use of particular materials as binders, particle coatings or suspension media therefor non-luminescent particle coatings or suspension media
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
- H01L31/055—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means where light is absorbed and re-emitted at a different wavelength by the optical element directly associated or integrated with the PV cell, e.g. by using luminescent material, fluorescent concentrators or up-conversion arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
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Abstract
The invention discloses a kind of preparation methods of near-infrared quantum-cutting nano material, belong to technical field of nanometer material preparation.CaFCl:Tb is prepared first with sol-gal process3+,Yb3+Nano particle, and with Stober method in CaFCl:Tb3+,Yb3+Nano grain surface coated Si O2CaFCl:Tb is made in shell3+,Yb3+@SiO2Core-shell structured nanomaterials, to solve the problems, such as that CaFCl nano particle is easy to moisture absorption.This method simple process, cost is relatively low, CaFCl:Tb obtained3+,Yb3+@SiO2Nano-core-shell structure near infrared quantum cutting material can be modulated solar spectrum, can further improve the photoelectric conversion efficiency of solar battery.
Description
Technical field
The invention belongs to technical field of nanometer material preparation, and in particular to a kind of system of near-infrared quantum-cutting nano material
Preparation Method.
Background technique
Quantum-cutting is that material absorbs a high-energy photon, emits the luminescence phenomenon of two or more lower energy photons.It is logical
Solar spectrum can be modulated by crossing quantum-cutting, and an optical photon is converted into two near-infrared photons (~ 1000 nm),
Reduce silicon solar cell thermal losses, improve solar cell photoelectric transfer efficiency (theoretically can by photoelectric conversion efficiency from
38.6%) 18% is increased to.For CaFCl since phonon energy is low, radiationless relaxation probability is small, and energy transfer efficiency is high, is very suitable to
Host material as quantum-cutting.But CaFCl is easy to moisture absorption, synthesizes also than fluoride complex, therefore do not have so far rear-earth-doped
The report of the quantum-cutting material of CaFCl.The present invention has synthesized CaFCl:Tb using sol-gal process for the first time3+,Yb3+Nanometer
Grain, using rare earth ion to Tb3+-Yb3+Quantum-cutting effect can effectively improve solar battery energy conversion efficiency.In addition,
Easy to moisture absorption existing for CaFCl nano particle in order to solve the problems, such as, we further use Stober method in CaFCl nano particle table
Bread covers SiO2CaFCl:Tb is made in shell3+,Yb3+@SiO2Nano-core-shell structure.
Summary of the invention
It is an object of the invention in view of the shortcomings of the prior art, providing a kind of near-infrared quantum-cutting nano material CaFCl:
Tb3+,Yb3+@SiO2Preparation method.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of near-infrared quantum-cutting nano material CaFCl:Tb3+,Yb3+@SiO2Preparation method, specifically includes the following steps:
(1) CaFCl:Tb3+,Yb3+The preparation of nano particle: Tb is weighed4O7, it is added after concentrated nitric acid and deionized water dissolving be evaporated,
Yb is added2O3, acetic acid and water, heating, which is completely dissolved, to be evaporated；Then calcium acetate, ethyl alcohol, isopropanol, water, trifluoroacetic acid and three is added
Monoxone, magnetic agitation form colloidal sol, heating water bath to gel, the lower 600 DEG C of sintering 1h of argon atmosphere, in air atmosphere after grinding
1 h of lower 600 DEG C of sintering, obtains CaFCl:Tb3+,Yb3+Nano particle；
(2) CaFCl:Tb3+,Yb3+@SiO2The preparation of nano material: by CaFCl:Tb3+,Yb3+Nano particle pours into ethyl alcohol and different
In propyl alcohol mixed solution, after sonic oscillation, ethyl orthosilicate is added under magnetic agitation, continue stir a period of time after, dropwise plus
Enter the ammonium hydroxide of 25 wt%, reaction a period of time obtains Dark grey precipitating；It is centrifuged, dries again, grinding is made described close red
Outer quantum-cutting nano material, is denoted as CaFCl:Tb3+,Yb3+@SiO2Nano material.
Further, the technological parameter of magnetic agitation described in step (1) are as follows: magnetic agitation temperature is 70 DEG C, and magnetic force stirs
Mixing the time is 3 h.
Further, the temperature of heating water bath described in step (1) is 70 DEG C.
Further, in step (2), the sonic oscillation time is 30 min.
Further, in step (2), ethyl orthosilicate is added under magnetic agitation, continues after stirring 40 min, is added dropwise
Ammonium hydroxide reacts 10 min, obtains Dark grey precipitating；The temperature of the magnetic agitation is 50 DEG C.
Further, the technological parameter of drying described in step (2) are as follows: drying temperature is 110 DEG C, and drying time is 5 h.
Further, a kind of near-infrared quantum-cutting nano material CaFCl:Tb3+,Yb3+@SiO2Preparation method, specifically
The following steps are included:
(1) CaFCl:Tb3+,Yb3+The preparation of nano particle: 0.935 g Tb is weighed4O7, 1.5 ml concentrated nitric acids and 0.5 ml is added
After deionized water dissolving is evaporated, 1.576 g Yb are added2O3, 10 ml acetic acid and 10ml water, heating, which is completely dissolved, to be evaporated；Then plus
Enter 1.233 g calcium acetates, 10 ml ethyl alcohol, 8 ml isopropanols, tri- chloroethene of 5 ml water, 0.484 ml trifluoroacetic acid and 2.614 g
Acid stirs 3 H-shapeds in 70 DEG C of magnetic stirring apparatus into colloidal sol, is heated to gel, the lower 600 DEG C of sintering 1 of argon atmosphere in 70 DEG C of water-baths
H, 600 DEG C of 1 h of sintering in air atmosphere after grinding, obtains CaFCl:Tb3+,Yb3+Nano particle；
(2) CaFCl:Tb3+,Yb3+@SiO2The preparation of nano material: by 0.45 g CaFCl:Tb3+,Yb3+Nano particle pours into 1
In ml ethyl alcohol and 10 ml isopropyl alcohol mixtures, the positive silicic acid of 0.3 ml is added under 50 DEG C of magnetic agitations in 30 min of sonic oscillation
The ammonium hydroxide of 0.06 ml 25wt% is added dropwise after 40 min for ethyl ester, reacts 10 min, obtains Dark grey precipitating, centrifuge separation, and 110
DEG C drying 5 h, grinding, the near-infrared quantum-cutting nano material is made, is denoted as CaFCl:Tb3+,Yb3+@SiO2Nano material.
The beneficial effects of the present invention are: the present invention provides a kind of CaFCl:Tb for the first time3+,Yb3+@SiO2Near-infrared amount
Son cuts out the preparation method of nano material, easy to operate, at low cost, can be modulated to solar spectrum, reduces silicon solar
The thermal losses of battery improves solar battery energy conversion efficiency, can be with large-scale popularization.
Detailed description of the invention
Fig. 1 is CaFCl:Tb3+,Yb3+And CaFCl:Tb3+,Yb3+@SiO2The XRD diagram of nano material；
Fig. 2 is CaFCl:Tb3+,Yb3+@SiO2The TEM of nano material schemes；
Fig. 3 is CaFCl:25%Tb3+, x%Yb3+@SiO2Nano material quantum-cutting spectrum (x = 5、10、25、40、45、
50)；Wherein, (a) excitation spectrum (λem=986 nm)；(b) emission spectrum (λex=310 nm).
Specific embodiment
Below in conjunction with specific embodiment, the present invention will be further described, but the present invention is not limited only to these embodiments.
Embodiment 1
A kind of near-infrared quantum-cutting nano material CaFCl:Tb3+,Yb3+@SiO2Preparation method, specifically includes the following steps:
(1) CaFCl:Tb3+,Yb3+The preparation of nano particle: 0.935 g Tb is weighed4O7(4N), be added 1.5 ml concentrated nitric acids and
After 0.5 ml deionized water dissolving is evaporated, 1.576 g Yb are added2O3(4N), 10 ml acetic acid and 10ml water, heating are completely dissolved
It is evaporated；Then 1.233 g calcium acetates (analysis is pure), 10 ml ethyl alcohol, 8 ml isopropanols, 5 ml water, 0.484 ml trifluoro second are added
Acid (analysis pure) and 2.614 g trichloroacetic acids (analyzing pure) stir 3 H-shapeds into colloidal sol, 70 DEG C of water-baths in 70 DEG C of magnetic stirring apparatus
In be heated to gel, argon atmosphere 1 h of lower 600 DEG C of sintering, 600 DEG C of 1 h of sintering in air atmosphere after grinding obtain CaFCl:
Tb3+,Yb3+Nano particle；
(2) CaFCl:Tb3+,Yb3+@SiO2The preparation of nano material: by 0.45 g CaFCl:Tb3+,Yb3+Nano particle pours into 1
Ml ethyl alcohol (analysis is pure) and 10 ml isopropanols (are analyzed pure) in mixed solution, 30 min of sonic oscillation, are added under 50 DEG C of magnetic agitations
Enter 0.3 ml ethyl orthosilicate, the ammonium hydroxide (analysis is pure) of 0.06 ml 25wt% is added dropwise after 40 min, reacts 10 min, obtains
Dark grey precipitating, centrifuge separation, 110 DEG C of 5 h of drying, grinding are made the near-infrared quantum-cutting nano material, are denoted as
CaFCl:Tb3+,Yb3+@SiO2Nano material.
CaFCl:Tb produced by the present invention3+,Yb3+@SiO2Near-infrared quantum-cutting nano material, most excitation peak position is by force
310 nm, emission peak are located at 986 nm.Tb3+Doping concentration be 25%, Yb3+Doping concentration is 5% ~ 50%.Work as Yb3+Doping concentration
When being 40%, shine most strong (as shown in Figure 3).
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification, is all covered by the present invention.
Claims (7)
1. a kind of near-infrared quantum-cutting nano material CaFCl:Tb3+,Yb3+@SiO2Preparation method, it is characterised in that: it is specific
The following steps are included:
(1) CaFCl:Tb3+,Yb3+The preparation of nano particle: Tb is weighed4O7, it is added after concentrated nitric acid and deionized water dissolving be evaporated,
Yb is added2O3, acetic acid and water, heating, which is completely dissolved, to be evaporated；Then calcium acetate, ethyl alcohol, isopropanol, water, trifluoroacetic acid and three is added
Monoxone, magnetic agitation form colloidal sol, heating water bath to gel, argon atmosphere 1 h of lower 600 DEG C of sintering, in air gas after grinding
Atmosphere 1 h of lower 600 DEG C of sintering, obtains CaFCl:Tb3+,Yb3+Nano particle；
(2) CaFCl:Tb3+,Yb3+@SiO2The preparation of nano material: by CaFCl:Tb3+,Yb3+Nano particle pours into ethyl alcohol and different
In propyl alcohol mixed solution, after sonic oscillation, ethyl orthosilicate is added under magnetic agitation, continue stir a period of time after, dropwise plus
Enter the ammonium hydroxide of 25 wt%, reaction a period of time obtains Dark grey precipitating；It is centrifuged, dries again, grinding is made described close red
Outer quantum-cutting nano material, is denoted as CaFCl:Tb3+,Yb3+@SiO2Nano material.
2. near-infrared quantum-cutting nano material CaFCl:Tb according to claim 13+,Yb3+@SiO2Preparation method,
It is characterized by: the technological parameter of magnetic agitation described in step (1) are as follows: magnetic agitation temperature is 70 DEG C, the magnetic agitation time
For 3 h.
3. near-infrared quantum-cutting nano material CaFCl:Tb according to claim 13+,Yb3+@SiO2Preparation method,
It is characterized by: the temperature of heating water bath described in step (1) is 70 DEG C.
4. near-infrared quantum-cutting nano material CaFCl:Tb according to claim 13+,Yb3+@SiO2Preparation method,
It is characterized by: the sonic oscillation time is 30 min in step (2).
5. near-infrared quantum-cutting nano material CaFCl:Tb according to claim 13+,Yb3+@SiO2Preparation method,
It is characterized by: ethyl orthosilicate is added under magnetic agitation in step (2), continues after stirring 40 min, ammonium hydroxide is added dropwise,
10 min are reacted, Dark grey precipitating is obtained；The temperature of the magnetic agitation is 50 DEG C.
6. near-infrared quantum-cutting nano material CaFCl:Tb according to claim 13+,Yb3+@SiO2Preparation method,
It is characterized by: the technological parameter of drying described in step (2) are as follows: drying temperature is 110 DEG C, and drying time is 5 h.
7. near-infrared quantum-cutting nano material CaFCl:Tb according to claim 13+,Yb3+@SiO2Preparation method,
It is characterized by: specifically includes the following steps:
(1) CaFCl:Tb3+,Yb3+The preparation of nano particle: 0.935 g Tb is weighed4O7, 1.5 ml concentrated nitric acids and 0.5 ml is added
After deionized water dissolving is evaporated, 1.576 g Yb are added2O3, 10 ml acetic acid and 10 ml water, heating, which is completely dissolved, to be evaporated；Then
1.233 g calcium acetates, 10 ml ethyl alcohol, 8 ml isopropanols, tri- chloroethene of 5 ml water, 0.484 ml trifluoroacetic acid and 2.614 g is added
Acid, stirring 3h forms colloidal sol in 70 DEG C of magnetic stirring apparatus, is heated to gel in 70 DEG C of water-baths, the lower 600 DEG C of sintering 1h of argon atmosphere,
600 DEG C of sintering 1h in air atmosphere after grinding, obtain CaFCl:Tb3+,Yb3+Nano particle；
(2) CaFCl:Tb3+,Yb3+@SiO2The preparation of nano material: by 0.45 g CaFCl:Tb3+,Yb3+Nano particle pours into 1
In ml ethyl alcohol and 10 ml isopropyl alcohol mixtures, the positive silicic acid of 0.3 ml is added under 50 DEG C of magnetic agitations in 30 min of sonic oscillation
The ammonium hydroxide of 0.06 ml, 25 wt% is added dropwise after 40 min for ethyl ester, reacts 10 min, obtains Dark grey precipitating, centrifuge separation,
110 DEG C of drying 5h, grinding, are made the near-infrared quantum-cutting nano material, are denoted as CaFCl:Tb3+,Yb3+@SiO2Nanometer material
Material.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000106280A (en) * | 1998-09-28 | 2000-04-11 | Sharp Corp | Organic light-emitting element |
| CN108192600A (en) * | 2018-01-24 | 2018-06-22 | 河南科技大学 | A kind of Eu-Nd-Yb codopes strontium aluminate efficient wide-spectrum quantum-cutting luminescent material |
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2018
- 2018-07-27 CN CN201810840016.1A patent/CN109135732A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000106280A (en) * | 1998-09-28 | 2000-04-11 | Sharp Corp | Organic light-emitting element |
| CN108192600A (en) * | 2018-01-24 | 2018-06-22 | 河南科技大学 | A kind of Eu-Nd-Yb codopes strontium aluminate efficient wide-spectrum quantum-cutting luminescent material |
Non-Patent Citations (1)
| Title |
|---|
| 林慧: "CaFCl:Tb3+,Yb3+纳米颗粒的制备及发光特性", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑 2015年第05期》 * |
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Application publication date: 20190104 |