CN106497553A - A kind of Ho3+/Yb3+/Gd3+Codope zinc oxide up-conversion luminescent material and preparation method - Google Patents
A kind of Ho3+/Yb3+/Gd3+Codope zinc oxide up-conversion luminescent material and preparation method Download PDFInfo
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- CN106497553A CN106497553A CN201610814098.3A CN201610814098A CN106497553A CN 106497553 A CN106497553 A CN 106497553A CN 201610814098 A CN201610814098 A CN 201610814098A CN 106497553 A CN106497553 A CN 106497553A
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 239000011787 zinc oxide Substances 0.000 title claims abstract description 46
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 45
- 239000000463 material Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000011701 zinc Substances 0.000 claims abstract description 15
- 239000002019 doping agent Substances 0.000 claims abstract description 5
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 5
- 239000000758 substrate Substances 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 8
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 claims description 8
- 150000002500 ions Chemical class 0.000 claims description 7
- 238000000137 annealing Methods 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 239000002244 precipitate Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- FIXNOXLJNSSSLJ-UHFFFAOYSA-N ytterbium(III) oxide Inorganic materials O=[Yb]O[Yb]=O FIXNOXLJNSSSLJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000004246 zinc acetate Substances 0.000 claims description 4
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 3
- CMIHHWBVHJVIGI-UHFFFAOYSA-N gadolinium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Gd+3].[Gd+3] CMIHHWBVHJVIGI-UHFFFAOYSA-N 0.000 claims description 3
- JYTUFVYWTIKZGR-UHFFFAOYSA-N holmium oxide Inorganic materials [O][Ho]O[Ho][O] JYTUFVYWTIKZGR-UHFFFAOYSA-N 0.000 claims description 3
- 239000013049 sediment Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 2
- 229920001030 Polyethylene Glycol 4000 Polymers 0.000 claims description 2
- 239000008367 deionised water Substances 0.000 claims description 2
- 229910021641 deionized water Inorganic materials 0.000 claims description 2
- 239000000428 dust Substances 0.000 claims description 2
- 229940057847 polyethylene glycol 600 Drugs 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 150000003751 zinc Chemical class 0.000 claims 1
- 229910052761 rare earth metal Inorganic materials 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 231100000252 nontoxic Toxicity 0.000 abstract description 2
- 230000003000 nontoxic effect Effects 0.000 abstract description 2
- 238000003786 synthesis reaction Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 5
- 238000004020 luminiscence type Methods 0.000 description 4
- -1 rare earth ion Chemical class 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000000295 emission spectrum Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- 238000000634 powder X-ray diffraction Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- DBJUEJCZPKMDPA-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O DBJUEJCZPKMDPA-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005415 bioluminescence Methods 0.000 description 1
- 230000029918 bioluminescence Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Classifications
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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
- C09K11/7767—Chalcogenides
- C09K11/7769—Oxides
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Luminescent Compositions (AREA)
Abstract
The present invention provides a kind of Ho3+/Yb3+/Gd3+Codope zinc oxide up-conversion luminescent material and preparation method, with ZnO as substrate, with rare earth element Ho3+、Yb3+、Gd3+For dopant ion, consisting of, Zn1‑x‑y‑zHoxYbyGdzO.The present invention is rear-earth-doped to prepare the high zinc oxide up-conversion luminescent material of luminous intensity, and its synthesis technique is simple, and repeatable high, material therefor is environmentally friendly, safety non-toxic, it is easy to accomplish industrialized production.Simultaneously by changing Gd3+Doping content can significantly improve the Up-conversion Intensity of zinc oxide so that rare earth doping zinc oxide up-conversion luminescent material luminous intensity is strong, can be used to showing, illuminates, the aspect such as laser anti-counterfeit.
Description
Technical field
The invention belongs to up-conversion luminescent material technical field, is related to change on a kind of rare earth doped zinc oxide material
Luminescent material.
Background technology
In recent years, rear-earth-doped up-conversion luminescent material shown in 3 D stereo due to which, laser anti-counterfeit, bioluminescence mark
The extensive application in the field such as note and short wavelength laser, arouses great concern.But for entirety, up-conversion luminescence is imitated
Rate is also than relatively low.Some preferable materials of conventional luminescent properties are gone back at aspects such as thermally and chemically stability, mechanical strengths at present
There are some problems not solve, this just brings difficulty to practical application.So it is all to find high conversion efficiency, physical and chemical performance
Good New-type matrix material becomes one of study hotspot of current up-conversion luminescent material.
Zinc oxide (ZnO) as a kind of new direct wide bandgap semiconductor materials, energy gap is at room temperature
3.37eV, with higher exciton binding energy (60meV), has stronger absorption in ultra-violet (UV) band, and its physics and chemical property is steady
Fixed, with relatively low phonon energy (437cm-1), this makes it possible to become preferable up-conversion luminescence host material.But arrive
So far, the up-conversion luminescence efficiency of rear-earth-doped ZnO material is also than relatively low.Wherein one of reason is that rare earth ion is general very
It is difficult to replace Zn2+The form of lattice point enters ZnO lattices.This is because radius ratio Zn of trivalent rare earth ionses2+Ion is much bigger,
And both electric charges are mismatched.
Content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of Ho3+/Yb3+/Gd3+On codope zinc oxide, conversion is sent out
Luminescent material and preparation method, solve prior art zinc oxide up-conversion luminescent material complicated process of preparation, and luminous intensity is low, it is impossible to
Carry out the technical problem of high-concentration dopant.
The technical solution adopted in the present invention is as follows：
Ho3+/Yb3+/Gd3+Codope zinc oxide up-conversion luminescent material, with ZnO as substrate, with rare earth element Ho3+、Yb3 +、Gd3+For dopant ion, consisting of Zn1-x-y-zHoxYbyGdzO, wherein 6mol%≤x+y+z≤9mol%.
Preferably, Ho3+/Yb3+/Gd3+Codope zinc oxide up-conversion luminescent material, with ZnO as substrate, with rare earth element
Ho3+、Yb3+、Gd3+For dopant ion, consisting of Zn1-x-y-zHoxYbyGdzO, wherein x=1mol%, y=5mol%, z≤
3mol%.
Ho3+/Yb3+/Gd3+Codope zinc oxide up-conversion luminescent material preparation method, comprises the following steps：
Step one, zinc acetate or zinc nitrate are dissolved in deionized water, stirring, until zinc acetate or zinc nitrate fully dissolve
Obtain zinc solution；
Step 2, by Ho2O3、Yb2O3And Gd2O3It is dissolved in after mixing in dust technology or dilute hydrochloric acid solution, 40 DEG C～60 DEG C add
Solution is evaporated to obtain powdered rubber for 50 DEG C～70 DEG C to after fully reacting by thermal agitation；
Step 3, step 2 gained powdered rubber is dissolved in the water, is stirred to clarify, dropwise Deca step one gained zinc
Saline solution, stirs to clarify to obtain solution；
Step 4, triethanolamine or monoethanolamine are added dropwise in step 3 resulting solution, to initial when occur white
After color flocculent deposit dissolving, colourless transparent solution is obtained；
Step 5, -600 PEG-4000 of Polyethylene Glycol is added in step 4 resulting solution, stirring mixing；
Step 6, step 5 resulting solution is proceeded to after 140 DEG C～180 DEG C 2～6h of reaction of autoclave, treats that high pressure is anti-
Answer kettle to be cooled to room temperature, be precipitated thing；
Step 7, step 6 gained sediment is centrifuged, is cleaned, 60 DEG C～80 DEG C 2～4h of drying and grinding after
White powder is obtained, 550 DEG C～750 DEG C 2～4h of annealing of white powder are made annealing treatment.
The invention has the beneficial effects as follows：
1st, the present invention is rear-earth-doped prepares the high zinc oxide up-conversion luminescent material of luminous intensity, and synthesis technique is simple, can
Repeated high, material therefor is environmentally friendly, safety non-toxic, it is easy to accomplish industrialized production.
2nd, the zinc oxide up-conversion luminescent material luminous intensity prepared of the present invention is strong, can be used to showing, illuminates, laser is prevented
The aspects such as puppet.
3rd, the preparation method of the rare earth doping zinc oxide up-conversion luminescent material that the present invention is provided, Ho3+/Yb3+/Gd3+Mix
Miscellaneous concentration maintains higher level, by changing Gd3+Doping content can significantly improve the Up-conversion Intensity of zinc oxide.
Description of the drawings
Fig. 1 is Ho3+/Yb3+/Gd3+The XRD spectrum of co-doped nano ZnO；
Fig. 2 is Ho3+/Yb3+/Gd3+The SEM figures of co-doped nano ZnO.
Fig. 3 (a) is different Gd3+The Up-conversion emission spectrum of sample under doping content, (b) is red-green glow integrated emission intensity
With Gd3+The variation relation of doping content；
Specific embodiment
Yb3+As sensitized ions, active ions Ho is greatly improved3+Absorption efficiency to pump light, therefore adopts Ho3+/
Yb3+The mode of codope, Gd3+Strengthen up-conversion luminescence the reason for be probably, Gd3+And Ho3+Between there is energy transmission and reversely
Energy transfer process, has ultimately resulted in the enhancing of HONGGUANG and green emission, in addition it is also necessary to further verify.
The present invention is described in detail with reference to the accompanying drawings and detailed description, it should be noted that the present invention is not
Specific examples below is confined to, all equivalents that does on the basis of technical scheme each fall within the protection model of the present invention
Enclose.
Embodiment 1
For achieving the above object, the present invention provides a kind of Ho3+/Yb3+/Gd3+Codope ZnO up-conversion luminescent materials, chemistry
Consist of:Zn1-x-y-zHoxYbyGdzO, wherein Ho3+For active ions, Yb3+For sensitizer, x is Ho3+The Mole percent of doping
Number, y is Yb3+The mole percent of doping, z are Gd3+The mole percent of doping, and x+y+z=9mol%, i.e. x=
1mol%, y=5mol%, z=3mol%, preparation process are as follows：
Step one, prepares acetic acid zinc solution, takes the Zn (Ac) of 6.585g2, it is dissolved in 30ml deionized waters, stirs, until
1. which be fully dissolved into colourless transparent solution.
Step 2, prepares rare earth nitrate.Zn in proportion:Ho:Yb:Gd=0.91:0.01:0.05:0.03 weighs accordingly
Rare earth oxide Ho2O3、Yb2O3And Gd2O3, it is dissolved in after mix homogeneously in dilute nitric acid solution, in 40 DEG C of -60 DEG C of heated and stirred,
After fully reacting, solution is evaporated in 50 DEG C -70 DEG C.
Step 3, above-mentioned gained powder is dissolved in 10ml deionized waters, is stirred to clarify, dropwise Deca 1. solution,
Stir to clarify solution 2..
Step 4, weighs 20ml triethanolamine, is added dropwise in 2. solution, occurs white flock precipitate when initial, continues
3. Deca, until white precipitate is completely dissolved, finally obtain colourless transparent solution.
Step 5, measures Polyethylene Glycol -600 of 5ml, is added in 3. solution, is sufficiently stirred for so as to mix homogeneously.
Step 6, above-mentioned gained mixture solution is proceeded in 50ml autoclaves, anti-under the conditions of 140 DEG C -180 DEG C
Answer 2-6h.
Step 7, after reaction terminates, takes out reactor and is cooled to room temperature.By gained sediment centrifugation, clean repeatedly
2-4h is dried at 60 DEG C -80 DEG C afterwards, takes out grinding, finally by above-mentioned gained white powder at 550 DEG C -750 DEG C after drying
Annealing 2-4h.
Embodiment 2
The present embodiment Ho3+/Yb3+/Gd3+Chemical composition of codope ZnO up-conversion luminescent materials and preparation method thereof with
Embodiment 1 is identical, except for the difference that x+y+z=6mol%, z=0.
Embodiment 3
The present embodiment Ho3+/Yb3+/Gd3+Chemical composition of codope ZnO up-conversion luminescent materials and preparation method thereof with
Embodiment 1 is identical, except for the difference that x+y+z=7mol%, z=1mol%.
Carry out X-ray powder diffraction pattern analysis, SEM figures and sample to exist to sample obtained in above example
980nmLD excites down the Up-conversion emission spectrum for obtaining to be analyzed, as a result as follows：
Fig. 1 is 1 sample Zn of embodiment0.91Ho0.01Yb0.05Gd0.03The X-ray powder diffraction pattern of O.As can be seen that oikocryst
It is mutually ZnO, occurs in that indivedual Yb2O3Peak.Table 1 is enumerated the lattice paprmeter of rear-earth-doped ZnO and pure ZnO.Data from table
, it is evident that with the incorporation of rare earth ion, lattice paprmeter becomes big, this is probably the lattice that rare earth ion has been partially into ZnO,
Caused by instead of Zn atoms.
1 rear-earth-doped ZnO of table is contrasted with pure ZnO lattice paprmeters
Fig. 2 is 1 sample Zn of embodiment0.91Ho0.01Yb0.05Gd0.03The SEM figures of O, are found out by Fig. 2, sample shape is not very
Completely, loose chondritic is partly presented, and size is uneven, and rough exquisiteness has partial particulate shape material, hinders ZnO
The growth of some crystal faces.Therefore it is not that the rare earth element concentration for mixing is the bigger the better.
Fig. 3 (a) is in the case where 980nm LD are excited, according to 1mol%Ho prepared by present case scheme3+, 5mol%Yb3+And z
Mol%Gd3+The brilliant Up-conversion emission light of (z=0,1,3, i.e. x+y+z=6mol%, 7mol%, 9mol%) codope ZnO nano
Spectrum.As can be seen that the material mainly lights in green glow and red spectral band.With Gd3+The increase of incorporation, fluorescence intensity substantially increase
By force, but red-green glow change be slightly different, green intensity increases always, and red light intensity first reduces increase, from terms of overall angle
HONGGUANG strengthens ratio and is more than green glow.In x=1mol%, preferably, Fig. 3 (b) is shown that not y=5mol%, z=3mol% effect
With upper conversion red-green glow strength ratio under proportioning, its value is with Gd3+The increase of doping content first reduces and increases afterwards.
Claims (9)
1.Ho3+/Yb3+/Gd3+Codope zinc oxide up-conversion luminescent material, with ZnO as substrate, it is characterised in that with rare earth unit
Plain Ho3+、Yb3+、Gd3+Codope is used as dopant ion.
2. Ho as claimed in claim 13+/Yb3+/Gd3+Codope zinc oxide up-conversion luminescent material, it is characterised in that the Ho3 +/Yb3+/Gd3+Codope zinc oxide up-conversion luminescent material is consisted of, Zn1-x-y-zHoxYbyGdzO, wherein 6mol%≤x+y+z
≤ 9mol%.
3. Ho as claimed in claim 13+/Yb3+/Gd3+Codope zinc oxide up-conversion luminescent material, it is characterised in that the Ho3 +/Yb3+/Gd3+Codope zinc oxide up-conversion luminescent material is consisted of, Zn1-x-y-zHoxYbyGdzO, wherein x=1mol%, y=
5mol%, z≤3mol%
4. the arbitrary Ho of claims 1 to 33+/Yb3+/Gd3+The preparation method of codope zinc oxide up-conversion luminescent material, bag
Include following steps：
Step one, zinc acetate or zinc nitrate are dissolved in deionized water, stirring, until zinc acetate or zinc nitrate fully dissolve and obtain
Zinc solution；
Characterized in that,
Step 2, by Ho2O3、Yb2O3And Gd2O3It is dissolved in after mixing in dust technology or dilute hydrochloric acid solution, heated and stirred is to fully instead
Should after solution is evaporated to obtain powdered rubber；
Step 3, step 2 gained powdered rubber is dissolved in the water, is stirred to clarify, and dropwise Deca step one gained zinc salt is molten
Liquid, stirs to clarify to obtain solution；
Step 4, triethanolamine or monoethanolamine are added dropwise in step 3 resulting solution, to initial when occur white wadding
After shape resolution of precipitate, colourless transparent solution is obtained；
Step 5, Polyethylene Glycol -600 or PEG-4000 are added in step 4 resulting solution, stirring mixing；
Step 6, step 5 resulting solution is proceeded to after autoclave reacted, is treated that autoclave is cooled to room temperature, is obtained
Arrive precipitate；
Step 7, obtains white powder after step 6 gained sediment being centrifuged, cleaned, dry and being ground, by white
Powder is made annealing treatment.
5. Ho as claimed in claim 43+/Yb3+/Gd3+The preparation method of codope zinc oxide up-conversion luminescent material, its feature
It is, in the step 2, heated and stirred temperature is 40 DEG C～60 DEG C.
6. Ho as claimed in claim 43+/Yb3+/Gd3+The preparation method of codope zinc oxide up-conversion luminescent material, its feature
It is, in the step 2, solution evaporated temperature is 50 DEG C～70 DEG C.
7. Ho as claimed in claim 43+/Yb3+/Gd3+The preparation method of codope zinc oxide up-conversion luminescent material, its feature
It is, the step 6 autoclave reaction condition is 140 DEG C～180 DEG C 2～6h of reaction.
8. Ho as claimed in claim 43+/Yb3+/Gd3+The preparation method of codope zinc oxide up-conversion luminescent material, its feature
It is, the step 7 drying condition is 60 DEG C～80 DEG C 2～4h of drying.
9. Ho as claimed in claim 43+/Yb3+/Gd3+The preparation method of codope zinc oxide up-conversion luminescent material, its feature
It is, the step 7 annealing conditions are 550 DEG C～750 DEG C 2～4h of annealing.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114752385A (en) * | 2022-04-26 | 2022-07-15 | 西安邮电大学 | Gd (gadolinium) powder3+Doped micron crystal material and preparation method and application thereof |
| CN116120929A (en) * | 2022-09-30 | 2023-05-16 | 吉林建筑大学 | Gd 3+ Fluorescent temperature measuring material for enhancing tungstate up-conversion luminescence and preparation method thereof |
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| CN101177611A (en) * | 2007-12-07 | 2008-05-14 | 哈尔滨工业大学 | High luminous intensity up-conversion fluorescence nano-crystal oxide and preparation method thereof |
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| KR100659067B1 (en) * | 2004-11-04 | 2006-12-21 | 삼성에스디아이 주식회사 | Europium activated gadolinium zinc oxide phorsphors, method of preparing the same and field emission device comprising the same |
| CN101177611A (en) * | 2007-12-07 | 2008-05-14 | 哈尔滨工业大学 | High luminous intensity up-conversion fluorescence nano-crystal oxide and preparation method thereof |
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| XIAOJUN WEI等: "ZnO:Er,Yb,Gd Particles Designed for Magnetic-Fluorescent Imaging and Near-Infrared Light Triggered Photodynamic Therapy", 《J. PHYS. CHEM. C》 * |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114752385A (en) * | 2022-04-26 | 2022-07-15 | 西安邮电大学 | Gd (gadolinium) powder3+Doped micron crystal material and preparation method and application thereof |
| CN116120929A (en) * | 2022-09-30 | 2023-05-16 | 吉林建筑大学 | Gd 3+ Fluorescent temperature measuring material for enhancing tungstate up-conversion luminescence and preparation method thereof |
| CN116120929B (en) * | 2022-09-30 | 2024-06-07 | 吉林建筑大学 | Gd3+Fluorescent temperature measuring material for enhancing tungstate up-conversion luminescence and preparation method thereof |
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