CN113061362A - Preparation method of stress luminescent coating of high-sensitivity mechanical stimulus response sphere - Google Patents
Preparation method of stress luminescent coating of high-sensitivity mechanical stimulus response sphere Download PDFInfo
- Publication number
- CN113061362A CN113061362A CN202110371624.4A CN202110371624A CN113061362A CN 113061362 A CN113061362 A CN 113061362A CN 202110371624 A CN202110371624 A CN 202110371624A CN 113061362 A CN113061362 A CN 113061362A
- Authority
- CN
- China
- Prior art keywords
- stress luminescent
- stress
- sphere
- srga
- coating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011248 coating agent Substances 0.000 title claims abstract description 53
- 238000000576 coating method Methods 0.000 title claims abstract description 53
- 230000024437 response to mechanical stimulus Effects 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000000084 colloidal system Substances 0.000 claims abstract description 29
- 239000011812 mixed powder Substances 0.000 claims abstract description 22
- 239000000843 powder Substances 0.000 claims abstract description 20
- 238000002156 mixing Methods 0.000 claims abstract description 17
- 239000004205 dimethyl polysiloxane Substances 0.000 claims abstract description 15
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims abstract description 15
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000004987 plasma desorption mass spectroscopy Methods 0.000 claims abstract description 15
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims abstract description 15
- 238000000227 grinding Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 12
- QZQVBEXLDFYHSR-UHFFFAOYSA-N gallium(III) oxide Inorganic materials O=[Ga]O[Ga]=O QZQVBEXLDFYHSR-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 239000003755 preservative agent Substances 0.000 claims abstract description 7
- 230000002335 preservative effect Effects 0.000 claims abstract description 7
- 238000005245 sintering Methods 0.000 claims abstract description 7
- 239000011247 coating layer Substances 0.000 claims abstract description 6
- LEDMRZGFZIAGGB-UHFFFAOYSA-L strontium carbonate Chemical compound [Sr+2].[O-]C([O-])=O LEDMRZGFZIAGGB-UHFFFAOYSA-L 0.000 claims abstract description 6
- 229910000018 strontium carbonate Inorganic materials 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 14
- 238000004020 luminiscence type Methods 0.000 abstract description 40
- 239000000463 material Substances 0.000 abstract description 27
- 230000005284 excitation Effects 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 238000000103 photoluminescence spectrum Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 230000000638 stimulation Effects 0.000 description 4
- 239000012071 phase Substances 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 230000004938 stress stimulation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000000904 thermoluminescence Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/22—Luminous paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
-
- 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
-
- 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
- C09K11/7743—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing terbium
- C09K11/7744—Chalcogenides
- C09K11/7746—Chalcogenides with alkaline earth metals
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Luminescent Compositions (AREA)
Abstract
The invention relates to a preparation method of a stress luminescent coating of a high-sensitivity mechanical stimulus response sphere, belonging to the technical field of stress luminescent materials. The invention uses high-purity SrCO3、Ga2O3And Tb4O7Grinding and uniformly mixing to obtain mixed powder A; placing the mixed powder A at 1300-1350 ℃ in a reducing atmosphere for high-temperature sintering for 6-8 h, and grinding to obtain SrGa2O4:Tb3+Stress luminescent powder; SrGa2O4:Tb3+Uniformly mixing the stress luminescent powder and PDMS colloid to obtain mixed liquid, uniformly coating the mixed liquid on the surface of a sphere, heating and curing the colloid of the coating layer after the preservative film is coated to obtain the preservative film coated with the colloidHigh sensitive mechanical stimulus responds to the stress luminescent coating of the spheroid. SrGa of the invention2O4:Tb3+The stress luminescent material has excellent stress luminescent performance under ultraviolet excitation, and can produce stress luminescence with high-sensitivity mechanical stimulus response after being coated on the surface of a sphere.
Description
Technical Field
The invention relates to a preparation method of a stress luminescent coating of a high-sensitivity mechanical stimulus response sphere, belonging to the technical field of stress luminescent materials.
Background
The mechanically stimulated photons of the stress luminescent material are characteristic, which is of great importance in medical health diagnosis, biomechanical sensing, building structure inspection, and the application of activated light sources. Applications of the stress luminescent materials (CaAl) found at present2Si2O8:Eu2+、CaNb2O7:Pr3+Etc.) have the following disadvantages: (1) the efficiency of converting applied mechanical stimulation into light energy is low, stress luminescence with high brightness cannot be effectively generated, and the accuracy of the stress luminescence in the aspect of stress analysis application is greatly limited; (2) after the stress luminescent material and the colloid are mixed and packaged, the optical properties such as stress luminescence and the like are seriously reduced, and the bottleneck of the stress luminescent material in the field of coating film forming is formed; (3) as the traditional stress luminescent materials mostly belong to fractal luminescent materials, the stress luminescence is generated by the fracture of atomic bonds and chemical bonds, so that the repeatability is extremely poor, and the application potential is restricted.
Therefore, a high-sensitivity mechano-stimulus response spherical coating of a stress luminescent material with stability, high brightness, high sensitivity and repeatable performance is urgently needed to solve the problems of low brightness, insufficient packaging stability, poor repeatability and the like of the traditional stress luminescent material.
Disclosure of Invention
Aiming at the problem of mechanical stimulation of stress luminescent materials in the prior art, the invention provides a preparation method of a stress luminescent coating of a high-sensitivity mechanical stimulation response sphere2O4:Tb3+The stress luminescent coating has strong stress luminescent intensity, can repeatedly keep the original mechanical stimulus response luminescence for a long time, has high stress luminescence brightness and high stabilityQualitative property, high sensitivity and high transparency.
A preparation method of a stress luminescent coating of a high-sensitivity mechanical stimulus response sphere comprises the following specific steps:
(1) mixing high-purity SrCO3、Ga2O3And Tb4O7Grinding and uniformly mixing to obtain mixed powder A;
(2) placing the mixed powder A obtained in the step (1) at the temperature of 1300-1350 ℃ in a reducing atmosphere for high-temperature sintering for 6-8 h, and grinding to obtain SrGa2O4:Tb3+Stress luminescent powder;
(3) SrGa obtained in the step (2)2O4:Tb3+The stress luminescent powder and the PDMS colloid are uniformly mixed to obtain mixed liquid, the mixed liquid is uniformly coated on the surface of the sphere, and the colloid of the coating layer is heated and cured after the preservative film is coated, so that the stress luminescent coating of the high-sensitivity mechanical stimulus response sphere is obtained.
SrCO in the mixed powder A in the step (1) by taking the mole fraction of the mixed powder A as 100 percent340-50% of Ga2O350-60% of Tb4O7Accounting for 1-5%.
The reducing atmosphere in the step (2) is H2/N2Mixed reducing atmosphere, in volume fraction, H25-7 percent.
The step (3) SrGa2O4:Tb3+The mass ratio of the stress luminescent powder to the PDMS colloid is 1: 1.3-1.4.
The heating curing temperature in the step (3) is 80-100 ℃, and the curing time is 24-27 h.
The stress luminescence principle of the invention is as follows: SrGa of spherical surface2O4:Tb3+The stress magnitude and range of each point on the surface of the sphere are different in the process that the stress luminescent coating contacts with the object, and the SrGa2O4:Tb3+The stress luminescent material effectively converts mechanical stress stimulation into luminescence, the stress luminescent material is packaged in the colloid to be used as a coating to be coated on the surface of the sphere, the stress luminescent characteristic can be given to the sphere, and a user can combine optical detection according to the luminescence brightness of the sphere after being stressedThe device analyzes the stress condition of the ball body and provides a certain degree of illumination for the use of the ball body at night.
The invention has the beneficial effects that:
(1) the invention utilizes high-temperature solid phase sintering and film forming treatment to prepare SrGa which can be uniformly dispersed in a PDMS film and has high-sensitivity mechanical response2O4:Tb3+The stress luminous coating has stronger stress luminous intensity and can repeatedly keep the original mechanical stimulation response luminescence for a long time;
(2) SrGa of the invention2O4:Tb3+The stress luminescent material has excellent stress luminescent performance under ultraviolet excitation, and can generate stress luminescence with high-sensitivity mechanical stimulus response after being coated on the surface of a sphere;
(3) SrGa of the invention2O4:Tb3+The stress luminescent coating has the characteristics of high stress luminescent brightness, high stability, high sensitivity, high transparency and the like.
Drawings
FIG. 1 shows SrGa of example 12O4:Tb3+XRD pattern of the stress luminescent material;
FIG. 2 shows SrGa of example 12O4:Tb3+Photoluminescence spectra of stress luminescent materials;
FIG. 3 shows SrGa of example 12O4Matrix and SrGa2O4:Tb3+The thermoluminescent spectrum of (c);
FIG. 4 shows SrGa of example 12O4:Tb3+Mixing the gel with PDMS to package into colloid, and generating stress luminescence phenomenon by the colloid;
FIG. 5 is a diagram showing the internal structure of a sphere coated with a stress luminescent coating in example 1;
FIG. 6 is a schematic view of stress luminescence generated by applying the stress luminescence coating material on the surface of a sphere in example 1.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments, but the scope of the present invention is not limited to the description.
Example 1: a preparation method of a stress luminescent coating of a high-sensitivity mechanical stimulus response sphere comprises the following specific steps:
(1) mixing high-purity SrCO3、Ga2O3And Tb4O7Grinding and uniformly mixing to obtain mixed powder A; SrCO in the mixed powder A based on the mole fraction of 100 percent of the mixed powder A340-50% of Ga2O350-60% of Tb4O71-5% of the total;
(2) placing the mixed powder A obtained in the step (1) at the temperature of 1300-1350 ℃ in a reducing atmosphere for high-temperature sintering for 6-8 h, and grinding to obtain SrGa2O4:Tb3+Stress luminescent powder; wherein the reducing atmosphere is H2/N2Mixed reducing atmosphere, in volume fraction, H25-7% of the total;
(3) SrGa obtained in the step (2)2O4:Tb3+Uniformly mixing stress luminescent powder and PDMS colloid to obtain mixed liquid, uniformly coating the mixed liquid on the surface of the sphere, heating and curing the colloid of the coating layer after the preservative film is coated to obtain a stress luminescent coating of the high-sensitivity mechanical stimulus response sphere; wherein SrGa2O4:Tb3+The mass ratio of the stress luminescent powder to the PDMS colloid is 1: 1.3-1: 1.4; the heating curing temperature is 80-100 ℃, and the curing time is 24-27 h;
the specific process parameters of the samples are shown in table 1,
TABLE 1 specific Process parameters for the samples
This example SrGa2O4:Tb3+The XRD pattern of the stress luminescent material is shown in figure 1, and as can be seen from figure 1, the series of samples doped with different Tb can be seen3+Diffraction peaks after concentration are all similar to SrGa2O4:Tb3+The standard card PDF NO.220905 is matched, which shows that the series of samples are SrGa2O4Pure phase;
this example SrGa2O4:Tb3+The photoluminescence spectrum of the stress luminescent material is shown in fig. 2, which shows that 395nm light can effectively excite the sample, and the sample can show 545nm yellow-green light emission under 395nm optimal excitation;
this example SrGa2O4Matrix and SrGa2O4:Tb3+The spectrum of the thermoluminescence is shown in FIG. 3, in which SrGa is shown2O4:0.03Tb3+Has deeper (100-3+The doping of the SrGa is further improved2O4The trap depth and the trap number of the semiconductor substrate, thereby optimizing the stress luminescence property;
this example SrGa2O4:Tb3+The stress luminescence phenomenon generated by the colloid is shown in figure 4, and the SrGa can be seen2O4:Tb3+The powder is packaged in the colloid uniformly and can generate obvious stress luminescence, and the L-shaped trace shows that the stress luminescence coating has a stress phosphorescence tailing phenomenon, so that the coating has good stress luminescence characteristics;
the internal structure diagram of the sphere coated with the stress luminescent coating is shown in fig. 5, the internal structure diagram and the physical diagram of the sphere coated with the stress luminescent coating are shown in the figure, the inner layer of the object is a sphere which can keep the intrinsic characteristic of the sphere, and the stress luminescent layer on the outer layer can endow the sphere with the stress luminescent characteristic, so that the sphere can emit light when being stressed;
the schematic diagram of stress luminescence generated by coating the stress luminescent coating material on the surface of the sphere in the embodiment is shown in fig. 6, before applying force to the sphere, the sphere maintains the performance of the sphere itself, when the sphere is in contact stress with the ground, the sphere displays stress luminescence due to the existence of the stress luminescent coating on the surface of the sphere, when the sphere is in contact with the hand again, the stress luminescence phenomenon can be repeatedly generated, and the stress luminescent coating endows the sphere with the stress luminescence performance while not affecting the use of the sphere itself; the method has great application potential in the field of stress analysis of objects.
Example 2: a preparation method of a stress luminescent coating of a high-sensitivity mechanical stimulus response sphere comprises the following specific steps:
(1) mixing high-purity SrCO3、Ga2O3And Tb4O7Grinding and uniformly mixing to obtain mixed powder A; SrCO in the mixed powder A based on the mole fraction of 100 percent of the mixed powder A340-50% of Ga2O350-60% of Tb4O71-5% of the total;
(2) placing the mixed powder A obtained in the step (1) at the temperature of 1300-1350 ℃ in a reducing atmosphere for high-temperature sintering for 6-8 h, and grinding to obtain SrGa2O4:Tb3+Stress luminescent powder; wherein the reducing atmosphere is H2/N2Mixed reducing atmosphere, in volume fraction, H25-7% of the total;
(3) SrGa obtained in the step (2)2O4:Tb3+Uniformly mixing stress luminescent powder and PDMS colloid to obtain mixed liquid, uniformly coating the mixed liquid on the surface of the sphere, heating and curing the colloid of the coating layer after the preservative film is coated to obtain a stress luminescent coating of the high-sensitivity mechanical stimulus response sphere; wherein SrGa2O4:Tb3+The mass ratio of the stress luminescent powder to the PDMS colloid is 1: 1.3-1: 1.4; the heating curing temperature is 80-100 ℃, and the curing time is 24-27 h;
the specific process parameters of the samples are shown in table 2,
TABLE 2 specific Process parameters for the samples
This example SrGa2O4:Tb3+The XRD pattern of the stress luminescent material shows that the series of samples are doped with different Tb3+Diffraction peaks after concentration are all similar to SrGa2O4:Tb3+The standard card PDF NO.220905 is matched, which shows that the series of samples are SrGa2O4Pure phase;
this example SrGa2O4:Tb3+The photoluminescence spectrum of the stress luminescent material shows that 395nm light can effectively excite the sample, and the sample can show 545nm yellow-green light emission under the optimal excitation of 395 nm;
this example SrGa2O4Matrix and SrGa2O4:Tb3+Shows SrGa in the thermoluminescent spectrum2O4:0.03Tb3+Has deeper (100-3+The doping of the SrGa is further improved2O4The trap depth and the trap number of the semiconductor substrate, thereby optimizing the stress luminescence property;
this example SrGa2O4:Tb3+Mixing with PDMS to package into colloid, and observing SrGa due to stress luminescence phenomenon generated by the colloid2O4:Tb3+The powder is packaged in the colloid uniformly and can generate obvious stress luminescence, and the L-shaped trace shows that the stress luminescence coating has a stress phosphorescence tailing phenomenon, so that the coating has good stress luminescence characteristics;
the inner layer of the sphere coated with the stress luminescent coating can maintain the intrinsic characteristic of the sphere, and the stress luminescent layer on the outer layer can endow the sphere with the stress luminescent characteristic, so that the sphere can emit light when being stressed;
the stress luminescent coating material is coated on the surface of a sphere, the sphere keeps the performance of the sphere before force is applied to the sphere, when the sphere is in contact stress with the ground, the sphere displays stress luminescence due to the existence of the stress luminescent coating on the surface of the sphere, and when the sphere is in contact with a hand again, the stress luminescence phenomenon can be repeatedly generated, and the stress luminescent coating endows the sphere with the stress luminescence performance while the use of the sphere is not influenced; the method has great application potential in the field of stress analysis of objects.
Example 3: a preparation method of a stress luminescent coating of a high-sensitivity mechanical stimulus response sphere comprises the following specific steps:
(1) will be provided withHigh purity SrCO3、Ga2O3And Tb4O7Grinding and uniformly mixing to obtain mixed powder A; SrCO in the mixed powder A based on the mole fraction of 100 percent of the mixed powder A340-50% of Ga2O350-60% of Tb4O71-5% of the total;
(2) placing the mixed powder A obtained in the step (1) at the temperature of 1300-1350 ℃ in a reducing atmosphere for high-temperature sintering for 6-8 h, and grinding to obtain SrGa2O4:Tb3+Stress luminescent powder; wherein the reducing atmosphere is H2/N2Mixed reducing atmosphere, in volume fraction, H25-7% of the total;
(3) SrGa obtained in the step (2)2O4:Tb3+Uniformly mixing stress luminescent powder and PDMS colloid to obtain mixed liquid, uniformly coating the mixed liquid on the surface of the sphere, heating and curing the colloid of the coating layer after the preservative film is coated to obtain a stress luminescent coating of the high-sensitivity mechanical stimulus response sphere; wherein SrGa2O4:Tb3+The mass ratio of the stress luminescent powder to the PDMS colloid is 1: 1.3-1: 1.4; the heating curing temperature is 80-100 ℃, and the curing time is 24-27 h;
the specific process parameters for the samples are shown in table 3,
TABLE 3 specific Process parameters for the samples
This example SrGa2O4:Tb3+The XRD pattern of the stress luminescent material shows that the series of samples are doped with different Tb3+Diffraction peaks after concentration are all similar to SrGa2O4:Tb3+The standard card PDF NO.220905 is matched, which shows that the series of samples are SrGa2O4Pure phase;
this example SrGa2O4:Tb3+The photoluminescence spectrum of the stress luminescent material shows that 395nm light can effectively excite the sample, and the sample can show 545nm yellow-green light emission under the optimal excitation of 395 nm;
this example SrGa2O4Matrix and SrGa2O4:Tb3+Shows SrGa in the thermoluminescent spectrum2O4:0.03Tb3+Has deeper (100-3+The doping of the SrGa is further improved2O4The trap depth and the trap number of the semiconductor substrate, thereby optimizing the stress luminescence property;
this example SrGa2O4:Tb3+Mixing with PDMS to package into colloid, and observing SrGa due to stress luminescence phenomenon generated by the colloid2O4:Tb3+The powder is packaged in the colloid uniformly and can generate obvious stress luminescence, and the L-shaped trace shows that the stress luminescence coating has a stress phosphorescence tailing phenomenon, so that the coating has good stress luminescence characteristics;
the inner layer of the sphere coated with the stress luminescent coating can maintain the intrinsic characteristic of the sphere, and the stress luminescent layer on the outer layer can endow the sphere with the stress luminescent characteristic, so that the sphere can emit light when being stressed;
the stress luminescent coating material is coated on the surface of a sphere, the sphere keeps the performance of the sphere before force is applied to the sphere, when the sphere is in contact stress with the ground, the sphere displays stress luminescence due to the existence of the stress luminescent coating on the surface of the sphere, and when the sphere is in contact with a hand again, the stress luminescence phenomenon can be repeatedly generated, and the stress luminescent coating endows the sphere with the stress luminescence performance while the use of the sphere is not influenced; the method has great application potential in the field of stress analysis of objects.
While the present invention has been described in detail with reference to the specific embodiments thereof, it will be apparent to one skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope thereof.
Claims (5)
1. A preparation method of a stress luminescent coating of a high-sensitivity mechanical stimulus response sphere is characterized by comprising the following specific steps:
(1) mixing high-purity SrCO3、Ga2O3And Tb4O7Grinding and uniformly mixing to obtain mixed powder A;
(2) placing the mixed powder A obtained in the step (1) at the temperature of 1300-1350 ℃ in a reducing atmosphere for high-temperature sintering for 6-8 h, and grinding to obtain SrGa2O4:Tb3+Stress luminescent powder;
(3) SrGa obtained in the step (2)2O4:Tb3+The stress luminescent powder and the PDMS colloid are uniformly mixed to obtain mixed liquid, the mixed liquid is uniformly coated on the surface of the sphere, and the colloid of the coating layer is heated and cured after the preservative film is coated, so that the stress luminescent coating of the high-sensitivity mechanical stimulus response sphere is obtained.
2. The method for preparing the stress luminescent coating of the high-sensitivity mechanical stimulus response sphere according to claim 1, is characterized in that: SrCO in the mixed powder A in the step (1) by taking the mole fraction of the mixed powder A as 100 percent340-50% of Ga2O350-60% of Tb4O7Accounting for 1-5%.
3. The method for preparing the stress luminescent coating of the high-sensitivity mechanical stimulus response sphere according to claim 1, is characterized in that: the reducing atmosphere in the step (2) is H2/N2Mixed reducing atmosphere, in volume fraction, H25-7 percent.
4. The method for preparing the stress luminescent coating of the high-sensitivity mechanical stimulus response sphere according to claim 1, is characterized in that: step (3) SrGa2O4:Tb3+The mass ratio of the stress luminescent powder to the PDMS colloid is 1: 1.3-1.4.
5. The method for preparing the stress luminescent coating of the high-sensitivity mechanical stimulus response sphere according to claim 1, is characterized in that: and (3) heating and curing at 80-100 ℃ for 24-27 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110371624.4A CN113061362B (en) | 2021-04-07 | 2021-04-07 | Preparation method of stress luminescent coating of high-sensitivity mechanical stimulus response sphere |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110371624.4A CN113061362B (en) | 2021-04-07 | 2021-04-07 | Preparation method of stress luminescent coating of high-sensitivity mechanical stimulus response sphere |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113061362A true CN113061362A (en) | 2021-07-02 |
| CN113061362B CN113061362B (en) | 2021-12-14 |
Family
ID=76566001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110371624.4A Active CN113061362B (en) | 2021-04-07 | 2021-04-07 | Preparation method of stress luminescent coating of high-sensitivity mechanical stimulus response sphere |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113061362B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864310A (en) * | 2010-05-24 | 2010-10-20 | 广州有色金属研究院 | Blue or green fluorescent material for field emission |
| CN103194223A (en) * | 2012-01-06 | 2013-07-10 | 中国科学院城市环境研究所 | Novel difunctional ultraviolet luminescent material having long afterglow and mechanoluminescence |
| US20170218267A1 (en) * | 2014-10-15 | 2017-08-03 | Grirem Advanced Materials Co., Ltd. | Garnet-type fluorescent powder, preparation method and devices comprising the fluorescent powder |
| CN107488448A (en) * | 2017-04-28 | 2017-12-19 | 青岛大学 | It is a kind of to light, heat, the more stimuli responsives of power self-activate luminescence material and preparation method thereof |
| CN109825292A (en) * | 2019-03-21 | 2019-05-31 | 江南大学 | A kind of preparation method and application for the inorganic microparticle having both photoresponse and green long-persistence luminous effect |
| CN111849469A (en) * | 2020-06-23 | 2020-10-30 | 中山大学 | Excitation wavelength dependent multicolor long afterglow luminescent material and preparation method and application thereof |
-
2021
- 2021-04-07 CN CN202110371624.4A patent/CN113061362B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864310A (en) * | 2010-05-24 | 2010-10-20 | 广州有色金属研究院 | Blue or green fluorescent material for field emission |
| CN103194223A (en) * | 2012-01-06 | 2013-07-10 | 中国科学院城市环境研究所 | Novel difunctional ultraviolet luminescent material having long afterglow and mechanoluminescence |
| US20170218267A1 (en) * | 2014-10-15 | 2017-08-03 | Grirem Advanced Materials Co., Ltd. | Garnet-type fluorescent powder, preparation method and devices comprising the fluorescent powder |
| CN107488448A (en) * | 2017-04-28 | 2017-12-19 | 青岛大学 | It is a kind of to light, heat, the more stimuli responsives of power self-activate luminescence material and preparation method thereof |
| CN109825292A (en) * | 2019-03-21 | 2019-05-31 | 江南大学 | A kind of preparation method and application for the inorganic microparticle having both photoresponse and green long-persistence luminous effect |
| CN111849469A (en) * | 2020-06-23 | 2020-10-30 | 中山大学 | Excitation wavelength dependent multicolor long afterglow luminescent material and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113061362B (en) | 2021-12-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3133135B1 (en) | Semiconductor light-emitting device | |
| Liu et al. | Effect of gallium ion content on thermal stability and reliability of YAG: Ce phosphor films for white LEDs | |
| Zhang et al. | An intense elastico-mechanoluminescence material CaZnOS: Mn 2+ for sensing and imaging multiple mechanical stresses | |
| CN103124779B (en) | Silicophosphate luminescent material | |
| CN102906222B (en) | Luminescent substance | |
| EP2903040B1 (en) | Wavelength conversion member | |
| CN110857389A (en) | Near-infrared fluorescent powder and light-emitting device containing same | |
| US10145989B2 (en) | Hydrophobized phosphor and light-emitting device | |
| Jang et al. | Unconventional formation of dual-colored InP quantum dot-embedded silica composites for an operation-stable white light-emitting diode | |
| CN107488448A (en) | It is a kind of to light, heat, the more stimuli responsives of power self-activate luminescence material and preparation method thereof | |
| CN113061362B (en) | Preparation method of stress luminescent coating of high-sensitivity mechanical stimulus response sphere | |
| CN108998019A (en) | A kind of broadband emission near-infrared fluorescent powder and preparation method thereof | |
| Banishev et al. | Low temperature photoluminescence and deformation luminescence of microparticles SrAl 2 O 4:(Eu 2+, Dy 3+) in a matrix of photopolymer | |
| CN110093160A (en) | A kind of infrared emission fluorination matter fluorescent powder and a kind of infrared light emission device | |
| US9163175B2 (en) | β-sialon and method of manufacturing thereof, and light-emitting device | |
| CN115558491A (en) | Broadband short-wave infrared fluorescent powder, preparation method thereof and luminescent device | |
| Zhang et al. | Novel elastico-mechanoluminescence materials CaZnOS: Mn 2+ and CaZr (PO 4) 2: Eu 2+ | |
| CN106554777B (en) | A kind of coloration is with adjustable luminescent material of temperature and the preparation method and application thereof | |
| Wen et al. | Design and elaboration of highly resolved and efficient Cu+-doped oxyfluoride glass scintillators for X-ray image based on response surface methodology | |
| JP4528948B2 (en) | Phosphor glass material | |
| CN113087946B (en) | Preparation method of repeatable memory type stress film based on stress luminescent material | |
| CN111100635A (en) | Europium-doped microspherical fluorescent powder and preparation method thereof | |
| Sahu | Luminescence properties of violet-blue emitting Ca 2 MgSi 2 O 7: Ce 3+ phosphor prepared by solid state reaction method | |
| Ryapolova et al. | Parameters investigation of phosphors for solid state lighting | |
| Cai | Retracted Article: Highly Stable Mn4+-Activated Red-Emitting Fluoride Phosphors and Enhanced moisture stability for White LEDs |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |