CN109264992A - A kind of mechanoluminescence glass and power method for sensing - Google Patents
A kind of mechanoluminescence glass and power method for sensing Download PDFInfo
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- CN109264992A CN109264992A CN201811244759.9A CN201811244759A CN109264992A CN 109264992 A CN109264992 A CN 109264992A CN 201811244759 A CN201811244759 A CN 201811244759A CN 109264992 A CN109264992 A CN 109264992A
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- 239000011521 glass Substances 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000005166 mechanoluminescence Methods 0.000 title claims abstract description 11
- 238000007906 compression Methods 0.000 claims abstract description 11
- 230000006835 compression Effects 0.000 claims abstract description 11
- 238000002360 preparation method Methods 0.000 claims abstract description 8
- 239000011159 matrix material Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 11
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- 239000002159 nanocrystal Substances 0.000 claims description 9
- 244000137852 Petrea volubilis Species 0.000 claims description 7
- 239000011324 bead Substances 0.000 claims description 7
- 239000013078 crystal Substances 0.000 claims description 6
- 230000001066 destructive effect Effects 0.000 claims description 6
- 239000005357 flat glass Substances 0.000 claims description 6
- 239000002241 glass-ceramic Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 238000000137 annealing Methods 0.000 claims description 5
- 238000010226 confocal imaging Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- 238000001917 fluorescence detection Methods 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 6
- JHJLBTNAGRQEKS-UHFFFAOYSA-M sodium bromide Chemical compound [Na+].[Br-] JHJLBTNAGRQEKS-UHFFFAOYSA-M 0.000 claims 6
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium dioxide Chemical compound O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 claims 4
- KOPBYBDAPCDYFK-UHFFFAOYSA-N Cs2O Inorganic materials [O-2].[Cs+].[Cs+] KOPBYBDAPCDYFK-UHFFFAOYSA-N 0.000 claims 3
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims 3
- ZASWJUOMEGBQCQ-UHFFFAOYSA-L dibromolead Chemical compound Br[Pb]Br ZASWJUOMEGBQCQ-UHFFFAOYSA-L 0.000 claims 3
- AKUNKIJLSDQFLS-UHFFFAOYSA-M dicesium;hydroxide Chemical compound [OH-].[Cs+].[Cs+] AKUNKIJLSDQFLS-UHFFFAOYSA-M 0.000 claims 3
- 239000000306 component Substances 0.000 abstract 1
- 239000008358 core component Substances 0.000 abstract 1
- 238000004020 luminiscence type Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 10
- 239000000156 glass melt Substances 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000002419 bulk glass Substances 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000004031 devitrification Methods 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
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002189 fluorescence spectrum Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000005499 laser crystallization Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- XHGGEBRKUWZHEK-UHFFFAOYSA-L tellurate Chemical compound [O-][Te]([O-])(=O)=O XHGGEBRKUWZHEK-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/12—Silica-free oxide glass compositions
- C03C3/253—Silica-free oxide glass compositions containing germanium
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/02—Other methods of shaping glass by casting molten glass, e.g. injection moulding
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B25/00—Annealing glass products
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C4/00—Compositions for glass with special properties
- C03C4/12—Compositions for glass with special properties for luminescent glass; for fluorescent glass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Glass Compositions (AREA)
Abstract
The present invention provides a kind of mechanoluminescence glass and preparation method thereof based on new component formula.A large amount of CsPbBr has been precipitated under mechanical force in the glass in glass matrix3Luminescence nanocrystalline, capable of emitting bright green light.Sense simple and easy method by the power of core component of the mechanoluminescence glass the present invention also provides a kind of, can it is convenient, effectively detect frictional force, compression, impact force etc..
Description
Technical field
The present invention relates to solid luminescent material fields, more particularly, to a kind of mechanoluminescence glass and power method for sensing.
Background technique
Pressure sensor is all widely used in daily life and industrial circle, can effectively detect pressure applied
Size.Ambient pressure value is converted telecommunications by the variation that currently used one kind piezoresistive pressure sensor mainly passes through resistance
Number, it is easy to operate, it is widely used.In addition to this, the method that technical staff also has developed a variety of detection pressures in field.Example
Such as, application No. is 201310465080.3 patent disclose it is a kind of using integrated induction connector, signal modulation circuit and signal
The method that transmitting device carrys out detection pressure.It is a kind of using MEMS pressure core that application No. is 201810225706.6 disclosure of the invention
Piece is placed on potsherd as pressure-sensing device, is connected with corresponding signal modulation circuit plate to realize the detection of pressure.
It is worth being that most of mechanics sensors require the attachment device of a set of complexity to realize pressure detection with pointing out.
It is well known that glass is a kind of in the metastable amorphous phase solid of thermodynamics, when applying certain energy to it,
Make glass matrix that crystallization occur, composite material --- the glass ceramics comprising glass phase and crystal phase can be formed.Currently, reported
Devitrification of glass mode is mainly heat-treated crystallization or induced with laser crystallization, crystallization are thermal drivers.In this patent, we
A kind of completely new, based on power drive glass crystallization mechanism glass ceramics and its preparation process are disclosed, the glass is in machinery
CsPbBr can be precipitated under the action of power3Luminescent nanocrystal, luminous intensity depends on and applies stressed size, thus can apply
In the detection of pressure.The several power method for sensing based on this glass mechanoluminescence phenomenon is also disclosed in we.
Summary of the invention
The present invention provides the germanate glasses and preparation method thereof of a kind of pair of stress sensitive, and corresponding power sensing side
Method.
Glass of the invention is prepared by the glass matrix composition for including following component and content:
GeO2: 20-60mol%；B2O3: 0-20mol%；BaO:5-20mol%；Na2O:5-20mol%；TiO2: 0-
20mol%；PbBr2: 5-30mol%；NaBr:0-30mol%；Cs2O:5-20mol%.
According to the present invention, the content of above-mentioned glass matrix composition can be further preferred are as follows:
GeO2: 30-50mol%；B2O3: 5-15mol%；BaO:8-16mol%；Na2O:8-16mol%；TiO2: 0-
15mol%；PbBr2: 10-25mol%；NaBr:5-25mol%；Cs2O:5-18mol%.
According to the present invention, within the scope of the specific components of other glass systems (such as phosphate, tellurate), it also can reach class
As technical effect.
The present invention also provides the preparation methods of above-mentioned glass:
By GeO2、B2O3、BaO、Na2O、TiO2、PbBr2、NaBr、Cs2O powder material mixed according to said ratio,
Melting, obtains presoma glass finally by melting and sharp cooling；
Preparation method according to the present invention, in step:
After the powder material of different component is mixed, such as after mixing and being fully ground uniformly in agate jar, set
In alumina crucible, first preheated, then heat and keep the temperature a period of time be allowed to melt, obtain glass melt；
In accordance with the present invention it is preferred that 900-1200 DEG C is heated in resistance furnace, preferably 1000-1100 DEG C；Heat preservation
It 0.5-3 hours, preferably 1-2 hours, melts raw material sufficiently, obtains glass melt；
According to the present invention, glass melt is poured into rapidly die for molding, obtains both bulk glasses, finally by the glass of acquisition
It is put into resistance furnace and anneals to eliminate internal stress；For example, the temperature of annealing can be 100-300 DEG C；Further preferably 150-
250℃。
The present invention also provides a kind of materials for detection pressure, include glass of the present invention.
The present invention also provides several power method for sensing that the glass is used for detection pressure.
According to the present invention, the glass can detect frictional force size.School need to be carried out to the Force sensor of building in advance
Just, luminous intensity-frictional force relationship is established.By weight load on the sheet glass of certain specification, one end and spring dynamometry
Meter is connected, and under the traction of weight beam, glass at the uniform velocity slides certain distance on sand paper with certain speed, in sand paper and glass
Glass rubbing surface, which leaves, inlays CsPbBr3The glass ceramic powder of luminescent nanocrystal.The reading of weight beam is equal to frictional force
Size.With the fluorescent emission intensity of fluorometric investigation system detection glass ceramics rubbing surface.By loading different quality weight
Establish luminous intensity-frictional force relationship.In practical applications, fluorescence will be carried out by the sheet glass after the friction of differentiated friction power
Detection, using the frictional force-luminous intensity relationship pre-established, directly reads the size of born frictional force.
According to the present invention, the glass can detect destructive compression size.School need to be carried out to Force sensor in advance
Just, it is got ready with different compression in smooth glass surface using microhardness testers, utilizes laser confocal imaging system
It detects the place of getting ready and CsPbBr is precipitated3The fluorescent emission intensity of luminescent nanocrystal, to establish luminous intensity-stress relationship.
In practical applications, the relational expression based on similar device for measuring force and foundation, you can learn that destructive compression size.
According to the present invention, the glass can detect the size of impact force.The Force sensor of building need to be carried out in advance
Correction, establishes luminous intensity-impact force relationship.One bead is fallen from different height, pounds out pit in the glass surface.
The size of glass absorbed impact power when different height is fallen can be conversed according to the quality of bead.Remembered using fluorescence detection system
It records pit and CsPbBr is precipitated3The fluorescent emission intensity of luminescent nanocrystal, to establish luminous intensity-impact force relationship.
In practical applications, power in different sizes impacts sheet glass, by detecting fluorescence spectrum, can calculate the big of impact force
It is small.
According to the present invention, the principle of the glass mechanoluminescence is that the mechanical force that glass is born is when reaching certain threshold value
It can induce in glass and CsPbBr be precipitated3It is nanocrystalline, under UV/blue excitation, capable of emitting bright green light.
Detailed description of the invention
The easy device figure of frictional force is measured in Fig. 1 embodiment 1；
Fig. 2 is the X-ray diffractogram of powder at trace in embodiment 1；
Fig. 3 is the emission spectrum of powder at trace in embodiment 1；
Fig. 4 is so that it is at the uniform velocity advanced with weight beam pulling on sand paper in the glass for loading weight in embodiment 1,
Luminous photo of the left trace under ultraviolet light；
Fig. 5 is the relational graph of fluorescence intensity and frictional force in embodiment 1；
Fig. 6 is the schematic diagram that glass fracture stress distribution is measured in embodiment 2；
Fig. 7 is the easy device figure that destructive compression is measured in embodiment 3；
Fig. 8 is the easy device figure that impact force is measured in embodiment 4；
Specific embodiment
Technical solution of the present invention is described in detail below by way of illustrative specific embodiment.But it should not be by these
Embodiment is construed to limiting the scope of the invention.All technologies realized based on above content of the present invention are encompassed by this
Invention is intended in the range of protection.
Unless otherwise indicated, documented raw material and reagent are commercial product in embodiment.
Embodiment 1
By analytically pure GeO2、B2O3、BaO、Na2O、TiO2、PbBr2、NaBr、Cs2O powder material presses 20GeO2:
20B2O3:5BaO:5Na2O:0TiO2:10PbBr2:30NaBr:10Cs2The proportion accurate weighing of O (molar percentage), then exists
After mixing and being fully ground uniformly in agate jar, it is placed in alumina crucible, is put into resistance furnace after being heated to 1000 DEG C
Heat preservation makes its melting in 1 hour, to obtain glass melt, melt is then poured into rapidly die for molding, obtains blocky forerunner
Glass is annealed finally, the glass of acquisition is put into resistance furnace at 200 DEG C to eliminate internal stress.
In order to verify power Application in Sensing of the glass in terms of detecting frictional force, weight is loaded into the sheet glass in certain specification
On, one end is connected with weight beam, and under the traction of weight beam, glass at the uniform velocity slides certain distance on sand paper
(as shown in Figure 1).
X ray diffracting data (θ: 10-70 degree of scanning range) shows to be precipitated in the glass powder at sand paper trace in Fig. 2
CsPbBr3Crystal phase.Its Emission at Room Temperature spectrum (as shown in Figure 3) is measured with FLS920 Fluorescence Spectrometer, under ultraviolet excitation, out
Now it is typically correspond to CsPbBr3The strong green emission (central wavelength is 520 nanometers) of exciton emission, fluorescence quantum efficiency
It is 50%.
Due to friction, it can be seen that leave a large amount of glass ceramics luminescenjt powders on the path of process.With the weight of load
Quality increases, and frictional force increases, and shines and gradually increases (as shown in Figure 4).The size of frictional force can be read with blenometer, glass pottery
The fluorescent emission intensity of porcelain rubbing surface is recorded with fluorometric investigation system.Experiment discovery, luminous intensity are in a linear relationship with frictional force
(as shown in Figure 5).In practical applications, the relational expression based on similar device for measuring force and foundation can directly read friction
The size of power.
Embodiment 2-3
Change example 1 material component and process conditions (being shown in Table 1), by material mixing, grinding, melting, melt supercooled,
The processes such as annealing obtain both bulk glasses.
In order to verify power Application in Sensing of the glass in terms of detecting the microstress distribution of glass fracture, laser co-focusing is utilized
Imaging system successively scans the fluorescent emission intensity that luminescent nanocrystal is precipitated in incision position.
According to test mode in the same manner as in Example 1, CsPbBr is precipitated in glass fracture3Nanometer crystal phase, it is corresponding glimmering
Photo-quantum efficiency is as shown in table 1 with emission center wavelength.Under ultraviolet light, different strong lights are presented in the different zones of fracture
Degree can effectively reflect internal stress caused by being broken in the distribution situation (as shown in Figure 6) of glass surface.
Table 1
| Example 2 | Example 3 | |
| GeO2 | 25 | 30 |
| B2O3 | 0 | 15 |
| BaO | 5 | 8 |
| Na2O | 5 | 16 |
| TiO2 | 20 | 6 |
| PbBr2 | 30 | 5 |
| NaBr | 10 | 0 |
| Cs2O | 5 | 20 |
| Melting temperature | 900℃ | 920℃ |
| Melting time | 2 hours | 2.5 hour |
| Annealing temperature | 150℃ | 180℃ |
| Quantum efficiency | 30% | 25% |
| Emission center wavelength | 515 nanometers | 514 nanometers |
Embodiment 4-6
Change example 1 material component and process conditions (being shown in Table 2), by material mixing, grinding, melting, melt supercooled,
The processes such as annealing obtain both bulk glasses.
In order to verify power Application in Sensing of the glass in terms of detecting destructive compression, using microhardness testers with not
Same compression is got ready (as shown in Figure 7) in smooth glass surface, and is got ready using the detection of laser confocal imaging system
The fluorescent emission intensity of luminescent nanocrystal is precipitated in place.
According to the test mode in embodiment 1, CsPbBr is precipitated in punching3Nanometer crystal phase, corresponding fluorescence quantum efficiency
It is as shown in table 2 with emission center wavelength.It is of different sizes to apply compression, punching is in the light emission luminance presented under ultraviolet light
Difference, to establish luminous intensity-stress relationship.In practical applications, based on similar device for measuring force and foundation
Relational expression, you can learn that destructive compression size.
Table 2
Embodiment 7
By analytically pure GeO2、B2O3、BaO、Na2O、TiO2、PbBr2、NaBr、Cs2O powder material presses 60GeO2:0B2O3:
20BaO:5Na2O:0TiO2:5PbBr2:0NaBr:10Cs2The proportion accurate weighing of O (molar percentage), then in agate ball
It after mixing and being fully ground uniformly in grinding jar, is placed in alumina crucible, it is small to be put into resistance furnace heat preservation 1 after being heated to 1200 DEG C
When make its melting, to obtain glass melt, then say that melt pours into rapidly die for molding, obtain blocky forerunner's glass, most
The glass of acquisition is put into resistance furnace afterwards and is annealed at 350 DEG C to eliminate internal stress.
In order to verify power Application in Sensing of the glass in terms of detecting impact force, a bead is fallen from different height,
Pit (as shown in Figure 8) is pounded out in glass surface.
According to test mode in the same manner as in Example 1, CsPbBr is precipitated in the pit of glass surface3Nanometer crystal phase, can
Generate the green emission that central wavelength is 520 nanometers, fluorescence quantum efficiency 20%.Difference can be conversed according to the quality of bead
The size of the absorbed impact power of glass when height is fallen.Under ultraviolet light, different height is measured using fluorescence detection system
It falls the pit that bead is pounded out and different luminous intensities is presented, to establish luminous intensity-impact force relationship.Actually answering
In, the relational expression based on similar device for measuring force and foundation can calculate the size of impact force.
Claims (10)
1. a kind of mechanoluminescence glass is prepared: GeO by the glass matrix composition comprising following component and content2: 20-
60mol%；B2O3: 0-20mol%；BaO:5-20mol%；Na2O:5-20mol%；TiO2: 0-20mol%；PbBr2: 5-
30mol%；NaBr:0-30mol%；Cs2O:5-20mol%；The sum of the mole percent level of above-mentioned each component is
100mol%.
2. mechanoluminescence glass according to claim 1, which is characterized in that the component and content of the glass matrix are as follows:
GeO2: 30-50mol%；B2O3: 5-15mol%；BaO:8-16mol%；Na2O:8-16mol%；TiO2: 0-15mol%；
PbBr2: 10-25mol%；NaBr:5-25mol%；Cs2O:5-18mol%.
3. a kind of preparation method of mechanoluminescence glass of any of claims 1 or 2, which comprises the following steps:
1) according to a certain ratio by GeO2、B2O3、BaO、Na2O、TiO2、PbBr2、NaBr、Cs2O mixing, melting, obtain forerunner's glass
Glass；
2) the forerunner's glass for obtaining step 1) is annealed, to eliminate internal stress.
4. preparation method according to claim 3, which is characterized in that in the step 1): the powder of each component is former
Material is heated to 900-1200 DEG C, preferably 1000-1100 DEG C；Preferably 1-2 hours, it is molten to obtain glass for heat preservation 0.5-3 hours
Body.
5. preparation method according to claim 3, which is characterized in that in the step 2): annealing temperature 100-300
℃；Further preferably 150-250 DEG C.
6. the application of mechanoluminescence glass described in a kind of any one of claims 1 or 2, which is characterized in that be applied to power and pass
Sense.
7. one kind is based on power method for sensing as claimed in claim 6, which is characterized in that frictional force size can be detected, it is specific to walk
Suddenly are as follows: by weight load on the sheet glass of certain specification, one end is connected with weight beam；In the traction of weight beam
Under, glass at the uniform velocity slides certain distance on sand paper with certain speed, leaves in sand paper and glass friction face and inlays CsPbBr3Hair
The glass ceramic powder of light nanocrystal；Fluorescence detection, and benefit are carried out by the sheet glass after being rubbed by differentiated friction power
With the frictional force-luminous intensity relationship pre-established, the size of born frictional force is known.
8. one kind is based on power method for sensing as claimed in claim 6, which is characterized in that glass fracture after fracture can be detected
Microstress distribution, specific steps are as follows: successively scan incision position using laser confocal imaging system and luminescent nanocrystal is precipitated
Fluorescent emission intensity；Using the microstress-luminous intensity relationship pre-established, the size of born internal stress is known.
9. one kind is based on method of claim 6, which is characterized in that the size of destructive compression can be detected, specifically
Step are as follows: got ready with different compression in smooth glass surface using microhardness testers, utilize laser confocal imaging
System detects the place of getting ready and CsPbBr is precipitated3The fluorescent emission intensity of luminescent nanocrystal.
10. one kind is based on method of claim 6, which is characterized in that the size of impact force, specific steps can be detected
Are as follows: a bead is fallen from different height, pounds out pit in the glass surface；Different height can be conversed according to the quality of bead
The size of the absorbed impact power of glass when degree is fallen；CsPbBr is precipitated using fluorescence detection system record pit3Illuminant nanometer
The fluorescent emission intensity of crystal.
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| CN201811244759.9A CN109264992B (en) | 2018-10-24 | 2018-10-24 | Force-induced luminescent glass and force sensing method |
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| CN201811244759.9A CN109264992B (en) | 2018-10-24 | 2018-10-24 | Force-induced luminescent glass and force sensing method |
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2018
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| 喻军等: "含HO3+的GeO2-B2O3-BaO-Na2O-Al2O3锗酸盐玻璃的光谱与增益特性", 《光学技术》 * |
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