CN114149805A - Luminescent material, preparation method thereof and multiband optical temperature sensor - Google Patents
Luminescent material, preparation method thereof and multiband optical temperature sensor Download PDFInfo
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- CN114149805A CN114149805A CN202010934798.2A CN202010934798A CN114149805A CN 114149805 A CN114149805 A CN 114149805A CN 202010934798 A CN202010934798 A CN 202010934798A CN 114149805 A CN114149805 A CN 114149805A
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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
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- 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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- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
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- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
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- G—PHYSICS
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- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/20—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using thermoluminescent materials
Abstract
The application belongs to the technical field of optical materials, and particularly relates to a luminescent material, a preparation method thereof and a multiband optical temperature sensor. The present application provides a luminescent material comprising: the outer shell is wrapped on the periphery of the inner core; the core comprises a first rare earth ion doped MNbO4(wherein M represents any one element selected from lanthanides); the housing comprises a second rare earth ion doped MNbO4(wherein M represents any one element selected from lanthanides); the first rare earth ion and the second rare earth ion are respectively different rare earth ions. The application provides a luminescent material and a preparation method thereofThe method and the multiband optical temperature sensor can effectively fill the technical blank that no luminescent material with various spectra and multistage sensitive temperature performance exists at present.
Description
Technical Field
The application belongs to the technical field of optical materials, and particularly relates to a luminescent material, a preparation method thereof and a multiband optical temperature sensor.
Background
In recent years, optical temperature sensors based on the Fluorescence Intensity Ratio (FIR) technology have been attracting attention for their excellent sensitivity and accuracy. FIR techniques are typically implemented by comparing the fluorescence intensity of two thermally coupled energy levels of one Rare Earth (RE) ion. This technique is substantially immune to spectral loss and excitation intensity fluctuations and can provide more accurate temperature measurements. Further, such an optical temperature sensor can detect the temperature at a distance from the object by detecting the relationship of the fluorescence intensity with the temperature. Therefore, the optical temperature sensor based on the FIR technology has great advantages in the temperature monitoring aspects of power stations, coal mines, oil refineries, fire buildings, spacecraft engine turbine blades and the like. The common optical temperature sensor can only detect in a certain optical environment and a certain sensitive temperature,
at present, no luminescent material with various spectrums and multi-section sensitive temperature performance exists. Therefore, the development of a luminescent material with various spectra and multi-section sensitive temperature performance has important research significance and application value.
Disclosure of Invention
In view of this, the luminescent material, the preparation method thereof and the multiband optical temperature sensor provided by the application can effectively fill up the technical blank that no luminescent material with various spectrums and multi-section sensitive temperature performance exists at present.
A first aspect of the present application provides a luminescent material comprising: the outer shell is wrapped on the periphery of the inner core;
the core comprises a first rare earth ion doped MNbO4Wherein M represents any one element selected from lanthanides; the above-mentionedThe housing comprises a second rare earth ion doped MNbO4Wherein M represents any one element selected from lanthanides; the first rare earth ion and the second rare earth ion are respectively different rare earth ions.
Preferably, the first rare earth ion is selected from Er3+Ion, Tm3+Ion, Eu3+Ion, Ho3+Ion, Dy3+Ion, La3+Ion, Ce3+Ion, Pr3+Ions, Nd3+Ion, Pm3+Ion Sm3+Ion, Gd3+Ion, Tb3+Ion, Yb3+Ions or Lu3+Any one of ions; the second rare earth ion is selected from Er3+Ion, Tm3+Ion, Eu3+Ion, Ho3+Ion, Dy3+Ion, La3+Ion, Ce3+Ion, Pr3+Ions, Nd3+Ion, Pm3+Ion Sm3+Ion, Gd3+Ion, Tb3+Ion, Yb3+Ions or Lu3+Any one of the ions.
Preferably, the number of layers of the shell is one, two, three, four or five.
Preferably, the number of layers of the shell is two; the housing comprises a second rare earth ion doped MNbO4Wherein M represents any one element selected from lanthanides, and a third rare earth ion-doped MNbO4Wherein M represents any one element selected from lanthanides; the first rare earth ion is Er3+Ions; the second rare earth ion is Tm3+Ion, the third rare earth ion is Eu3+Ions.
Specifically, the inner core is Er3+Ion-doped ytterbium nitrate nanocrystals having thermally coupled energy levels in the visible green band2H11/2/4S3/2(ii) a The first shell is Tm3+The ion-doped ytterbium niobate nanocrystal has a thermal coupling energy level in a visible blue light waveband1G4(1)And1G4(2)(ii) a The second shell is Eu3+Ion-doped ytterbium niobate nanocrystals with thermal coupling energy level transition in the visible red light band5D0→7FJ(J＝0,1,2,3,4)/5D0→7F2。
In a second aspect, the present application provides a method for preparing a luminescent material, comprising the steps of:
step 4, doping an ytterbium source, a second rare earth ion, a niobium source, a cosolvent, a solution and the first rare earth ion with MNbO4Mixing the nanocrystals (wherein M represents any one element selected from lanthanides) to obtain a second mixed solution;
step 5, carrying out heating reaction on the second mixed solution, and separating to obtain a second mixture;
and 6, calcining the second mixture to obtain the first luminescent material.
Preferably, the preparation method further comprises:
step 7, mixing an ytterbium source, a third rare earth ion, a niobium source, a cosolvent, the first luminescent material and the solution to obtain a third mixed solution;
step 8, carrying out heating reaction on the third mixed solution, and separating to obtain a third mixture;
and 9, calcining the third mixture to obtain a second luminescent material.
Preferably, the first rare earth ion is Er3+Ions; the second rare earth ion is Tm3+Ion, the third rare earth ion is Eu3+Ions.
Preferably, the molar ratio of the erbium source, the thulium source, the europium source, the ytterbium source and the niobium source is (1-10): (3-7): (2-8): (29-50): (62 to 138).
Preferably, the heating temperature of the heating reaction is 250-300 ℃, and the time of the heating reaction is 6-24 h; the calcining temperature is 950-1000 ℃, and the calcining time is 0.5-2 h.
Preferably, the solution is a mixed solution of water and glycol, and the volume ratio of the water to the glycol is 1 (1-2).
Preferably, the cosolvent is lithium hydroxide monohydrate or/and potassium hydroxide.
In a third aspect, the application provides a multiband optical temperature sensor, which comprises the luminescent material or the luminescent material prepared by the preparation method.
The application in a fourth aspect provides the use of the luminescent material in a multiband optical temperature sensor. The function of the multiband optical temperature sensor is realized by utilizing the fluorescence intensity ratio of two thermal coupling energy levels of different rare earth ions.
The present application provides core-shell structured Rare earth ions (RE ions, RE)3+＝Er3+，Tm3+，Ho3+，Eu3+And Dy3+Etc.) doped ytterbium niobate (YbNbO)4) The light-emitting material of (1). The application discovers that a hydrothermal method is adopted to prepare a core-shell rare earth ion doped ytterbium niobate luminescent material (YbNbO)4:RE3+@YbNbO4:RE3+，RE3+＝Er3+，Tm3+，Ho3+，Eu3+And Dy3+And the like) can be carried out under low-temperature conditions, and the preparation method is simple. The core-shell rare earth ion doped ytterbium niobate nanocrystalline is provided. Wherein, the core comprises an inner core and an outer shell coated outside the inner core, the inner core is YbNbO4: RE3+Nanocrystalline with shell of YbNbO different from that of the core4:RE3+And (4) nanocrystals. The ytterbium niobate nanocrystal has a special crystal structure and can provide a carrier for rare earth ion luminescence. Ytterbium niobate is an ABO4A ternary oxide havingGood thermochemical property, no pollution to the environment, high dielectric constant, low phonon frequency, photoelasticity, nonlinear optics and the like. The dependence relationship between the temperature and the optical intensity ratio is simultaneously explored in multiple bands by utilizing the fluorescence intensity ratios of two thermal coupling energy levels of different rare earth ions, so that the sensitivity and the accuracy of the optical temperature sensor are improved. According to the FIR technique, a core-shell structure is utilized, with rare earth ions Er3+Thermal coupling energy level of green light band2H11/2/4S3/2Rare earth ion Tm3+Thermal coupling energy level of blue light wave band1G4(1)And1G4(2)and the optical temperature sensitivity can be simultaneously researched in different wave bands.
The present application is directed to overcoming the above-mentioned drawbacks of the prior art, and providing a luminescent material having a core-shell structure for a multiband optical temperature sensor, which can broaden a spectral range of temperature detection and simultaneously detect sensitivity of the multiband temperature sensor.
Compared with the method for doping various rare earth ions at one time, the core-shell structure doped with the rare earth ions has the advantages that:
1. the luminescent material is in a nanometer level, the size of the nanometer particles is small, the specific surface area is large, a large number of luminescent centers are exposed on the surfaces of the particles, and when the luminescent centers are in an excited state, energy transfer is easy to occur with solvents and the like, so that the up-conversion luminous efficiency is greatly reduced. The luminescent material with the core-shell structure can improve the luminous efficiency of the up-conversion nano-particles, not only retains the original characteristics of the core nano-particles, but also introduces a new shell layer to endow the nano-particles with new unique characteristics.
2. An inert layer is epitaxially grown on the outer layer of the bare-core nano-particles, so that lattice defects on the surfaces of the nano-particles can be effectively passivated, the nano-particles are isolated from the surrounding environment, and energy loss caused by energy transfer is reduced.
3. By the luminescent material with the core-shell structure, different types of rare earth ions can be limited in different layers, and the interaction of ions in the nano-particles is regulated to reduce harmful cross relaxation.
4. By utilizing the core-shell structure and fitting different rare earth ion thermal coupling fluorescence intensity ratios, the spectrum detection range of the optical temperature sensor is widened, and the sensitivity of the optical temperature sensor with different wave bands can be detected simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 shows YbNbO according to an embodiment of the present application4:Er3+@YbNbO4:Tm3+SEM electron microscope of (1);
FIG. 2 shows YbNbO according to the embodiment of the present application4:Er3+@YbNbO4:Tm3+XRD results of (1);
FIG. 3 shows YbNbO according to an embodiment of the present application4:Er3+Fluorescence spectra at different temperatures;
FIG. 4 shows YbNbO according to an embodiment of the present application4:Er3+Fitting an FIR map of (1);
FIG. 5 shows YbNbO according to an embodiment of the present application4:Er3+A temperature sensitivity map of (a);
fig. 6 is a structural diagram of a second luminescent material provided in an embodiment of the present application.
Detailed Description
The application provides a luminescent material, a preparation method thereof and a multiband optical temperature sensor, which are used for filling the technical blank that no luminescent material with various spectrums and multistage sensitive temperature performance exists at present.
The technical solutions in the embodiments of the present application will be described clearly and completely below, and it should be understood that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The raw materials and reagents used in the following examples are commercially available or self-made.
Example 1
The embodiment of the application provides a first luminescent material, and the preparation method comprises the following steps:
1. mixing ytterbium nitrate pentahydrate, erbium nitrate pentahydrate, niobium pentoxide and lithium hydroxide monohydrate with water, and adding ethylene glycol to obtain a first mixed solution; the volume ratio of water to glycol is 1: 2;
2. transferring the first mixed solution into a reaction kettle, performing ball milling for 8h, reacting for 12h at 250 ℃, separating and drying to obtain white powder, calcining for 1h at 950 ℃ to obtain erbium ion doped ytterbium niobate nanocrystals (inner core YbNbO)4:Er3+)；
3. Mixing ytterbium nitrate pentahydrate, thulium nitrate pentahydrate, niobium pentoxide, lithium hydroxide monohydrate and erbium ion-doped ytterbium niobate nanocrystals with water, and adding ethylene glycol to obtain a second mixed solution;
4. transferring the second mixed solution into a reaction kettle, performing ball milling for 8h, reacting at 250 ℃ for 12h, separating, drying to obtain white powder, calcining at 950 ℃ for 1h to obtain a first luminescent material, and marking as YbNbO4:Er3+@YbNbO4:Tm3+(nanocrystals with core-shell two-layer, core YbNbO4:Er3+The shell is YbNbO4:Tm3+) (ii) a Wherein, the molar ratio of erbium element, thulium element, ytterbium element and niobium element is 1.3: 3.2: 32: 67;
5. for YbNbO of the embodiment of the present application4:Er3+The results of the fluorescence spectrogram analysis and the XRD analysis at different temperatures are shown in FIGS. 1 and 2.
For YbNbO of the embodiment of the present application4:Er3+@YbNbO4:Tm3+SEM analysis and XRD analysis were carried out, and the results are shown in FIGS. 1 and 2. FIG. 1 shows YbNbO according to an embodiment of the present application4:Er3+@YbNbO4:Tm3+SEM electron microscope of (1); FIG. 2 shows YbNbO according to the embodiment of the present application4:Er3+@YbNbO4:Tm3+XRD results of (1).
As shown in fig. 1, the first luminescent material in the embodiment of the present application is a spherical nanocrystal with two core-shell layers, and includes a core and a shell coated on the coreI.e. YbNbO4:Tm3+Wrapped in YbNbO4:Er3+. As shown in FIG. 2, a of the first luminescent material of the present example is a standard ytterbium niobate card, b is the first luminescent material of the present example, which indicates that the sample is YbNbO4:Er3+@YbNbO4:Tm3+And (4) nanocrystals.
6. And (3) performing fluorescence spectrum analysis, FIR (finite impulse response) graph analysis and temperature sensitivity analysis on the erbium ion doped ytterbium niobate nanocrystals obtained in the step (2) at different temperatures. FIG. 3 shows YbNbO according to an embodiment of the present application4:Er3+Fluorescence spectra at different temperatures; FIG. 4 shows YbNbO according to an embodiment of the present application4:Er3+Fitting an FIR map of (1); FIG. 5 shows YbNbO according to an embodiment of the present application4:Er3+Temperature sensitivity map of (1).
As shown in FIG. 3, YbNbO is prepared under excitation of 980nm excitation light source4:Er3+Visible green light of 530 and 558nm respectively corresponds to Er3+Of ions2H11/2→4I15/2And4S3/2→4I15/2radiative transitions were observed, with the 530nm wavelength upconversion green increasing with increasing temperature, and the 558nm wavelength upconversion green decreasing with increasing temperature. As shown in fig. 4, in the range of 120 to 280K, the green fluorescence intensity ratio is derived from the fitted curve, and the fitted equation is FIR 5.99 × exp (-454.96/T), where Δ E/K is 454.96; within the temperature range of 120-280K, the temperature resolution is continuously improved along with the rise of the temperature. At 220K, the temperature sensitivity is 0.00712K at the maximum-1。
7. Also analytically, Tm is3+The ion-doped ytterbium niobate nanocrystal has a thermal coupling energy level in a visible blue light waveband1G4(1)And1G4(2). By utilizing the core-shell structure and fitting the thermal coupling fluorescence intensity ratio of different rare earth ions, the sensitivity of the optical temperature sensor with different wave bands can be detected simultaneously.
Example 2
The embodiment of the application provides a second luminescent material, and the preparation method comprises the following steps:
1. the first luminescent material (YbNbO) obtained in example 1 was used4:Er3+@YbNbO4:Tm3+) Dissolving ytterbium nitrate pentahydrate, europium nitrate pentahydrate, niobium pentoxide and lithium hydroxide monohydrate in water, and adding ethylene glycol to obtain a first mixed solution; the volume ratio of water to glycol is 1: 2;
2. transferring the first mixed solution into a reaction kettle, performing ball milling for 8h, reacting at 250 ℃ for 12h, separating, drying to obtain white powder, calcining at 950 ℃ for 1h to obtain a second luminescent material YbNbO4:Er3+@YbNbO4:Tm3+@YbNbO4:Eu3+Nanocrystals having core-shell trilayers, respectively core YbNbO4:Er3+The first layer of shell is YbNbO4:Tm3+The second layer of shell is YbNbO4:Eu3+. Wherein, the molar ratio of erbium element, thulium element, europium element, ytterbium element, niobium element and is 1.3: 3.2: 2.3: 48: 96.
the structure of the luminescent material of the embodiment of the present application is shown in fig. 6. Fig. 6 is a structural diagram of a second luminescent material provided in an embodiment of the present application. The core is Er3+Ion-doped ytterbium niobate nanocrystals having thermally coupled energy levels in the visible green band2H11/2/4S3/2(ii) a The first shell is Tm3+The ion-doped ytterbium niobate nanocrystal has a thermal coupling energy level in a visible blue light waveband1G4(1)And1G4(2)(ii) a The second layer of shell is Eu3+Ion-doped ytterbium niobate nanocrystals with thermal coupling energy level transition in the visible red light band5D0→7FJ(J＝0,1,2,3,4)/5D0→7F2. Using different rare earth ions (Er)3+、Tm3+And Eu3+) The dependence relationship of the temperature and the optical intensity ratio is simultaneously researched in multiple wave bands, so that the sensitivity and the accuracy of the optical temperature sensor are improved. According to the FIR technique, a core-shell structure is utilized, with rare earth ions Er3+Thermal coupling energy level of green light band2H11/2/4S3/2Rare earth ion Tm3+Thermal coupling energy level of blue light wave band1G4(1)And1G4(2)the optical temperature sensitivity can be simultaneously researched in different wave bands.
The foregoing is only a preferred embodiment of the present application and it should be noted that those skilled in the art can make several improvements and modifications without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.
Claims (10)
1. A luminescent material, comprising: the outer shell is wrapped on the periphery of the inner core;
the core comprises a first rare earth ion doped MNbO4Wherein M represents any one element selected from lanthanides; the housing comprises a second rare earth ion doped MNbO4Wherein M represents any one element selected from lanthanides; the first rare earth ion and the second rare earth ion are respectively different rare earth ions.
2. The luminescent material according to claim 1, wherein the first rare earth ion is selected from Er3+Ion, Tm3+Ion, Eu3+Ion, Ho3+Ion, Dy3+Ion, La3+Ion, Ce3+Ion, Pr3+Ions, Nd3+Ion, Pm3+Ion Sm3+Ion, Gd3+Ion, Tb3+Ion, Yb3+Ions or Lu3+Any one of ions; the second rare earth ion is selected from Er3+Ion, Tm3+Ion, Eu3+Ion, Ho3+Ion, Dy3+Ion, La3+Ion, Ce3+Ion, Pr3+Ions, Nd3+Ion, Pm3+Ion Sm3+Ion, Gd3+Ion, Tb3+Ion, Yb3+Ions or Lu3+Any one of the ions.
3. The luminescent material according to claim 1, wherein the number of layers of the envelope is one, two, three, four or five.
4. A luminescent material as claimed in claim 3, wherein the number of layers of the envelope is two; the housing comprises a second rare earth ion doped MNbO4Wherein M represents any one element selected from lanthanides and MNbO doped with third rare earth ions4Wherein M represents any one element selected from lanthanides; the first rare earth ion is Er3+Ions; the second rare earth ion is Tm3+Ion, the third rare earth ion is Eu3+Ions.
5. A preparation method of a luminescent material is characterized by comprising the following steps:
step 1, dissolving a first rare earth ion, an ytterbium source, a niobium source and a cosolvent in a solution to obtain a first mixed solution;
step 2, carrying out heating reaction on the first mixed solution, and separating to obtain a first mixture;
step 3, calcining the first mixture to obtain first rare earth ion doped MNbO4Wherein, in the formula, M represents any one element selected from lanthanoid elements;
step 4, doping an ytterbium source, a second rare earth ion, a niobium source, a cosolvent, a solution and the first rare earth ion with MNbO4Mixing the nanocrystals to obtain a second mixed solution, wherein in the formula, M represents any one element selected from lanthanides;
step 5, heating the second mixed solution for reaction, and separating to obtain a second mixture;
and 6, calcining the second mixture to obtain the first luminescent material.
6. The method of manufacturing according to claim 5, further comprising:
step 7, mixing an ytterbium source, a third rare earth ion, a niobium source, a cosolvent, the first luminescent material and the solution to obtain a third mixed solution;
step 8, carrying out heating reaction on the third mixed solution, and separating to obtain a third mixture;
and 9, calcining the third mixture to obtain a second luminescent material.
7. The preparation method according to claim 5 or 6, wherein the heating temperature of the heating reaction is 250-300 ℃, and the time of the heating reaction is 6-24 h; the calcining temperature is 950-1000 ℃, and the calcining time is 0.5-2 h.
8. The preparation method according to claim 5 or 6, wherein the solution is a mixed solution of water and ethylene glycol, and the volume ratio of the water to the ethylene glycol is 1 (1-2).
9. The preparation method according to claim 5 or 6, wherein the cosolvent is lithium hydroxide monohydrate or/and potassium hydroxide.
10. A multiband optical temperature sensor comprising the luminescent material according to any one of claims 1 to 4 or the luminescent material produced by the production method according to any one of claims 5 to 9.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114656966A (en) * | 2022-04-15 | 2022-06-24 | 中国科学院福建物质结构研究所 | Four-layer core-shell structure nano material and preparation method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070054120A1 (en) * | 2003-04-30 | 2007-03-08 | Christiane Meyer | Luminescent core/shell nanoparticles |
| US20130115172A1 (en) * | 2011-11-08 | 2013-05-09 | Korea Institute Of Science And Technology | Magnetic nanophosphor having core/shell structure and the synthetic method thereof |
| US20180303959A1 (en) * | 2017-04-21 | 2018-10-25 | Korea Institute Of Science And Technology | Core/double shell structured red light-emitting upconversion nanophosphors |
| CN109321244A (en) * | 2018-09-14 | 2019-02-12 | 广东工业大学 | A kind of erbium and ytterbium double doping lithium niobate up-conversion and preparation method thereof and the application in optic temperature sensor |
| US20190210886A1 (en) * | 2018-01-11 | 2019-07-11 | National Yang-Ming University | Lanthanide-doped fluoride nanocomposites, production method and applications |
-
2020
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070054120A1 (en) * | 2003-04-30 | 2007-03-08 | Christiane Meyer | Luminescent core/shell nanoparticles |
| US20130115172A1 (en) * | 2011-11-08 | 2013-05-09 | Korea Institute Of Science And Technology | Magnetic nanophosphor having core/shell structure and the synthetic method thereof |
| US20180303959A1 (en) * | 2017-04-21 | 2018-10-25 | Korea Institute Of Science And Technology | Core/double shell structured red light-emitting upconversion nanophosphors |
| US20190210886A1 (en) * | 2018-01-11 | 2019-07-11 | National Yang-Ming University | Lanthanide-doped fluoride nanocomposites, production method and applications |
| CN109321244A (en) * | 2018-09-14 | 2019-02-12 | 广东工业大学 | A kind of erbium and ytterbium double doping lithium niobate up-conversion and preparation method thereof and the application in optic temperature sensor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114656966A (en) * | 2022-04-15 | 2022-06-24 | 中国科学院福建物质结构研究所 | Four-layer core-shell structure nano material and preparation method and application thereof |
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