CN114656964B - Self-calibration fluorescent temperature measurement material and preparation method thereof - Google Patents

Self-calibration fluorescent temperature measurement material and preparation method thereof Download PDF

Info

Publication number
CN114656964B
CN114656964B CN202210393486.4A CN202210393486A CN114656964B CN 114656964 B CN114656964 B CN 114656964B CN 202210393486 A CN202210393486 A CN 202210393486A CN 114656964 B CN114656964 B CN 114656964B
Authority
CN
China
Prior art keywords
temperature measurement
self
temperature
oxide
energy level
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.)
Active
Application number
CN202210393486.4A
Other languages
Chinese (zh)
Other versions
CN114656964A (en
Inventor
刘雯
孙浩天
李浩然
施文嵩
王绩伟
霍达
王可心
关百杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liaoning University
Original Assignee
Liaoning University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Liaoning University filed Critical Liaoning University
Priority to CN202210393486.4A priority Critical patent/CN114656964B/en
Publication of CN114656964A publication Critical patent/CN114656964A/en
Application granted granted Critical
Publication of CN114656964B publication Critical patent/CN114656964B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7766Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
    • C09K11/7767Chalcogenides
    • C09K11/7769Oxides
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/20Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using thermoluminescent materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)

Abstract

The invention belongs to the field of fluorescence temperature sensing, and discloses a self-calibration fluorescence temperature measurement material and a preparation method thereof. The invention aims to provide an efficient fluorescent temperature measurement matrix material, which is doped with rare earth ions Er together 3+ /Tm 3+ /Yb 3+ When the self-calibration fluorescence intensity ratio temperature measurement is realized by utilizing the thermal coupling energy level pair and the non-thermal coupling energy level pair from different rare earth ions, and the highest sensitivity is not limited by Boltzmann distribution. Under the excitation of near infrared laser, the rare earth doped lutetium lithium molybdate has small emission peak overlapping of corresponding temperature measuring energy level, can keep higher relative sensitivity in different temperature areas, and is beneficial to realizing the fluorescent temperature measurement application of high sensitivity, high precision and extremely wide temperature areas.

Description

Self-calibration fluorescent temperature measurement material and preparation method thereof
Technical Field
The invention belongs to the field of fluorescence temperature sensing, and particularly relates to a self-calibration fluorescence temperature measuring material with high sensitivity and a preparation method thereof.
Background
Accurate real-time temperature monitoring plays an important role in ensuring product quality, saving energy, promoting production and the like. Compared with the traditional thermocouple and infrared radiation temperature measurement, the fluorescence temperature measurement technology has the characteristics of non-contact temperature measurement, large-scale imaging, wide dynamic range, high response speed, high precision and the like, and therefore, has the advantages of high temperature measurement fieldHas wide application prospect. The fluorescence temperature measurement is to monitor physical quantities such as luminous intensity, fluorescence lifetime, emission bandwidth, peak position movement, polarization property, fluorescence intensity ratio and the like by utilizing the dependency relationship between luminous characteristics and temperature, so as to obtain corresponding temperature conditions. The Fluorescence Intensity Ratio (FIR) temperature measurement has self-calibration characteristic, is not interfered by external environment, and is realized by a pair of thermal coupling energy levels of rare earth ions. However, the thermal coupling energy level difference DeltaE is limited to the range of 200-2000cm by Boltzmann distribution based on the fluorescence intensity ratio temperature measurement of the thermal coupling energy level -1 Between which the theoretical highest relative sensitivity Sr (sr=Δe/kT is determined 2 ) Should not exceed 2878/T 2 The application of fluorescence temperature measurement with high sensitivity is restricted.
In order to further improve the temperature measurement performance, fluorescence temperature measurement is considered to be carried out on different temperature areas by utilizing a thermal coupling energy level pair and a non-thermal coupling energy level pair. Most of rare earth ions are non-thermal coupling energy levels, so that the selection of the non-thermal coupling energy level pairs is richer, the non-thermal coupling energy levels of different ions are not limited by Boltzmann distribution to the greatest extent, and the non-thermal coupling energy levels of different ions also show certain temperature dependence characteristics, which are mostly caused by the difference of thermal quenching or the energy transfer process. Therefore, the fluorescence temperature measurement is carried out by utilizing the non-thermal coupling energy level pairs from different ions, so that the sensitivity is further improved, the temperature measurement precision is ensured, the temperature measurement error is reduced, and the high-performance fluorescence intensity ratio temperature measurement is realized.
Disclosure of Invention
The invention aims to provide an efficient fluorescent temperature measurement matrix material, which is doped with rare earth ions Er together 3+ /Tm 3 + /Yb 3+ When the temperature measurement device is used, the high-sensitivity fluorescence intensity ratio temperature measurement can be realized by utilizing the thermal coupling energy level pair and the non-thermal coupling energy level pair from different rare earth ions.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: a self-calibrating fluorescent temperature measurement material, the chemical formula of the self-calibrating fluorescent temperature measurement material is: liLu 0.93-x-y (MoO 4 ) 2 :xEr 3+ ,yTm 3+ ,0.07Yb 3+ Wherein x is more than or equal to 0.002 and less than or equal to 0.01,0, and y is more than or equal to 0.02; the saidx and y each represent Er 3+ 、Tm 3+ Substitution of Lu 3+ Molar content of (2).
A preparation method of a self-calibration fluorescent temperature measurement material comprises the following steps:
1) According to the chemical formula LiLu 0.93-x-y (MoO 4 ) 2 :xEr 3+ ,yTm 3+ ,0.07Yb 3+ The stoichiometric ratio of each element is respectively measured to be lithium-containing compound, lutetium oxide, molybdenum-containing compound, erbium oxide, thulium oxide and ytterbium oxide;
2) Placing the powder weighed in the step 1) into an agate mortar, adding a small amount of absolute ethyl alcohol, and grinding to uniformly mix the powder to obtain a mixture;
3) Placing the mixture obtained in the step 2) in a corundum crucible, then placing the corundum crucible in a muffle furnace, sintering at a high temperature, and cooling to room temperature;
4) And 3) grinding the solid sample obtained in the step 3) in an agate mortar to obtain a target product.
Preferably, the above preparation method, the lithium-containing compound is selected from lithium carbonate or lithium oxide.
Preferably, the above preparation method, the molybdenum-containing compound is selected from molybdenum trioxide or molybdenum trioxide.
Preferably, in the above preparation method, in step 2), the grinding time is 30 to 60 minutes.
Preferably, in the above preparation method, in step 3), the atmosphere of high-temperature sintering is an air atmosphere.
Preferably, in the above preparation method, in step 3), the high temperature sintering is performed at 900-1100 ℃, the temperature rising rate is 3-5 ℃/min, and the calcination time is 3-6 h.
Preferably, in the above preparation method, in step 4), the grinding time is 5 to 10min.
The beneficial effects of the invention are as follows:
according to the invention, lutetium lithium molybdate is used as a matrix material, and the material is stable in physical and chemical properties, simple in preparation process, high-temperature-resistant and environment-friendly. When co-doping Er 3+ /Tm 3+ /Yb 3+ When excited by near infrared 972nm laser, the emission peaks overlap relativelyThe fluorescent temperature measurement device is small, the signal discrimination of fluorescent temperature measurement can be improved, and the temperature measurement error is reduced; respectively utilize Er 3+ 、Tm 3+ The thermal coupling energy level pair and the non-thermal coupling energy level pair can realize high-sensitivity and high-precision temperature measurement in different temperature areas.
Drawings
FIG. 1 is an XRD pattern of the fluorescent thermometry materials prepared in example 1 and example 2.
FIG. 2 is an upconversion temperature change spectrum of the fluorescent temperature measuring material under near infrared excitation in example 5.
FIG. 3 is a graph of Er according to example 5 3+2 H 11/2 / 4 S 3/2 Thermal coupling energy level versus calculated fluorescence thermometry sensitivity versus temperature.
FIG. 4 is Er in example 5 3+ /Tm 3+ The fluorescence intensity ratio of the non-thermally coupled energy level pairs is plotted against temperature T.
Detailed Description
Example 1
The chemical formula of the fluorescent temperature measuring material of the embodiment is LiLu 0.915 (MoO 4 ) 2 :0.005Er 3+ ,0.01Tm 3+ ,0.07Yb 3+ The preparation method comprises the following steps:
respectively weighing 0.0739g of lithium carbonate, 0.3641g of lutetium oxide, 0.5758g of molybdenum trioxide, 0.0019g of erbium oxide, 0.0039g of thulium oxide and 0.0276g of ytterbium oxide; placing the weighed powder into an agate mortar, adding 1ml of absolute ethyl alcohol, grinding clockwise for 30min to uniformly mix, transferring into a corundum crucible, placing the crucible into a high-temperature muffle furnace, heating at a heating rate of 3 ℃/min, heating to 900 ℃ and calcining for 4h, and cooling to room temperature along with the furnace; and (3) grinding the obtained solid sample in an agate mortar for 5min to obtain the fluorescent temperature measuring material of the target product.
Subjecting the sample to phase analysis to obtain XRD patterns as shown in Tm in FIG. 1 3+ : as shown in the 1% graph, compared with a standard pdf card (JPCDS No. 23-1192), diffraction peak positions and diffraction intensities are in one-to-one correspondence, and the pure-phase rare earth doped fluorescent temperature measurement material is proved to be synthesized.
Example 2
The chemical formula of the fluorescent temperature measuring material of the embodiment is LiLu 0.905 (MoO 4 ) 2 :0.005Er 3+ ,0.02Tm 3+ ,0.07Yb 3+ The preparation method comprises the following steps:
respectively weighing 0.0739g of lithium carbonate, 0.3601g of lutetium oxide, 0.5758g of molybdenum trioxide, 0.0019g of erbium oxide, 0.0077g of thulium oxide and 0.0276g of ytterbium oxide; placing the weighed powder into an agate mortar, adding 2ml of absolute ethyl alcohol, grinding clockwise for 40min to uniformly mix, transferring into a corundum crucible, placing the crucible into a high-temperature muffle furnace, heating at a heating rate of 5 ℃/min, heating to 900 ℃ and calcining for 4h, and cooling to room temperature along with the furnace; and (3) grinding the obtained solid sample in an agate mortar for 10min to obtain the fluorescent temperature measuring material of the target product.
Subjecting the sample to phase analysis to obtain XRD patterns as shown in Tm in FIG. 1 3+ : as shown in the 2% graph, compared with a standard pdf card (JPCDS No. 23-1192), diffraction peak positions and diffraction intensities are in one-to-one correspondence, and the pure-phase rare earth doped fluorescent temperature measurement material is proved to be synthesized.
Example 3
The chemical formula of the fluorescent temperature measuring material of the embodiment is LiLu 0.91 (MoO 4 ) 2 :0.01Er 3+ ,0.01Tm 3+ ,0.07Yb 3+ The preparation method comprises the following steps:
respectively weighing 0.0739g of lithium carbonate, 0.3621g of lutetium oxide, 0.4798g of molybdenum trioxide, 0.0038g of erbium oxide, 0.0039g of thulium oxide and 0.0276g of ytterbium oxide; placing the weighed powder into an agate mortar, adding 1ml of absolute ethyl alcohol, grinding clockwise for 35min to uniformly mix the powder, transferring the powder into a corundum crucible, placing the crucible into a high-temperature muffle furnace, heating the crucible at a heating rate of 3 ℃/min, heating the crucible to 1100 ℃ and calcining the crucible for 3h, and cooling the crucible to room temperature along with the furnace; and (3) grinding the obtained solid sample in an agate mortar for 15min to obtain the fluorescent temperature measuring material of the target product.
Example 4
The chemical formula of the fluorescent temperature measuring material of the embodiment is LiLu 0.916 (MoO 4 ) 2 :0.004Er 3+ ,0.01Tm 3+ ,0.07Yb 3+ The preparation method comprises the following steps:
respectively weighing 0.0299g of lithium oxide, 0.3645g of lutetium oxide, 0.5758g of molybdenum trioxide, 0.0015g of erbium oxide, 0.0039g of thulium oxide and 0.0276g of ytterbium oxide; placing the weighed powder into an agate mortar, adding 2ml of absolute ethyl alcohol, grinding clockwise for 45min to uniformly mix the powder, transferring the powder into a corundum crucible, placing the crucible into a high-temperature muffle furnace, heating the crucible to 1000 ℃ at a heating rate of 4 ℃/min, calcining the crucible for 4h, and cooling the crucible to room temperature along with the furnace; and (3) grinding the obtained solid sample in an agate mortar for 10min to obtain the fluorescent temperature measuring material of the target product.
Example 5
The fluorescent temperature measurement material prepared in the embodiment 1 is placed in a testing device, near infrared laser with the central wavelength of 972nm is used as a pumping light source, the optical path is adjusted, the optical path is excited, an up-conversion temperature-changing spectrum is obtained within the range of 300.3-563K and is shown as a graph in fig. 2, and sensitivity calculation is carried out by using a thermal coupling energy level pair and a non-thermal coupling energy level pair respectively. FIG. 3 shows Er-based 3+2 H 11/2 / 4 S 3/2 The sensitivity of thermal coupling energy level calculation is changed along with the temperature, and Er is found out 3+ The relative sensitivity of (2) reaches a maximum at a temperature of 563K, the maximum being 4.54X 10 -3 K -1 . FIG. 4 shows Er 3+2 H 11/2 And Tm 3+1 G 4 The fluorescence intensity ratio of the non-thermally coupled energy level pairs is fitted as a function of the temperature T, and the highest relative sensitivity is calculated to be reached at 463K at a value of 9.9X10 -2 K -1

Claims (3)

1. The self-calibration fluorescent temperature measurement material is characterized by having a chemical formula as follows: liLu 0.93-x-y (MoO 4 ) 2 :xEr 3+ , yTm 3+ , 0.07Yb 3+ The method comprises the steps of carrying out a first treatment on the surface of the Wherein x=0.005, y=0.01; or x=0.005, y=0.02; or x=0.01, y=0.01; or x=0.004, y=0.01; under the excitation of near infrared 972 and nm laser, the up-conversion temperature change spectrum is measured in the range of 300.3-563-K;
the preparation method of the self-calibration fluorescent temperature measurement material comprises the following steps:
1) According to the chemical formula LiLu 0.93-x-y (MoO 4 ) 2 :xEr 3+ , yTm 3+ , 0.07Yb 3+ The stoichiometric ratio of each element is respectively measured to be lithium-containing compound, lutetium oxide, molybdenum-containing compound, erbium oxide, thulium oxide and ytterbium oxide;
2) Placing the powder weighed in the step 1) into an agate mortar, adding a small amount of absolute ethyl alcohol, and grinding for 30-60 min to uniformly mix the powder to obtain a mixture;
3) Placing the mixture obtained in the step 2) in a corundum crucible, then placing the corundum crucible in a muffle furnace, carrying out high-temperature calcination for 3-6 hours in an air atmosphere at a heating rate of 3-5 ℃/min, and cooling to room temperature;
4) And (3) grinding the solid sample obtained in the step (3) in an agate mortar for 5-10 min to obtain a target product.
2. A self-calibrating fluorescent temperature measurement material according to claim 1, wherein: the lithium-containing compound is selected from lithium carbonate or lithium oxide.
3. A self-calibrating fluorescent temperature measurement material according to claim 1, wherein: the molybdenum-containing compound is selected from molybdenum trioxide or molybdenum trioxide.
CN202210393486.4A 2022-04-15 2022-04-15 Self-calibration fluorescent temperature measurement material and preparation method thereof Active CN114656964B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210393486.4A CN114656964B (en) 2022-04-15 2022-04-15 Self-calibration fluorescent temperature measurement material and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210393486.4A CN114656964B (en) 2022-04-15 2022-04-15 Self-calibration fluorescent temperature measurement material and preparation method thereof

Publications (2)

Publication Number Publication Date
CN114656964A CN114656964A (en) 2022-06-24
CN114656964B true CN114656964B (en) 2024-01-02

Family

ID=82035254

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210393486.4A Active CN114656964B (en) 2022-04-15 2022-04-15 Self-calibration fluorescent temperature measurement material and preparation method thereof

Country Status (1)

Country Link
CN (1) CN114656964B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115340864B (en) * 2022-09-15 2023-08-25 厦门理工学院 Red luminescent material and preparation method and application thereof
CN115477946B (en) * 2022-09-30 2023-05-23 云南大学 Green fluorescent material for non-contact temperature sensor and preparation method thereof
CN115820252B (en) * 2022-12-08 2023-11-24 昆明理工大学 Rare earth doped multi-excitation light source optical temperature measurement type fluorescent powder and preparation method thereof
CN116355613A (en) * 2023-03-31 2023-06-30 安徽工业大学 High-sensitivity self-activated fluorescent temperature measurement material and preparation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111253941A (en) * 2020-03-26 2020-06-09 辽宁大学 Temperature-division-area nanometer fluorescence thermometer, preparation method thereof and fluorescence temperature measuring method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111253941A (en) * 2020-03-26 2020-06-09 辽宁大学 Temperature-division-area nanometer fluorescence thermometer, preparation method thereof and fluorescence temperature measuring method

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Linlin Li et al..Synthesis and luminescent properties of high brightness MRE(MoO4)2:Eu3+ (M=Li,Na,K *
RE=Gd,Y,Lu) red phosphors for white LEDs.《Solid State Sciences》.2014,参见摘要部分、第59页右栏第1段. *
Xingxing Yang et al..Optical Temperature Sensing Behavior of High-Efficiency Upconversion:Er3+–Yb3+ Co-Doped NaY(MoO4)2 Phosphor.《Journal of the American Ceramic Society》.2015,参见摘要部分. *

Also Published As

Publication number Publication date
CN114656964A (en) 2022-06-24

Similar Documents

Publication Publication Date Title
CN114656964B (en) Self-calibration fluorescent temperature measurement material and preparation method thereof
Song et al. Photoluminescence and temperature sensing of lanthanide Eu3+ and transition metal Mn4+ dual-doped antimoniate phosphor through site-beneficial occupation
Li et al. Luminescence and optical thermometry strategy based on emission and excitation spectra of Pr3+ doped SrMoO4 phosphors
Lv et al. Negative thermal expansion triggered anomalous thermal upconversion luminescence behaviors in Er 3+/Yb 3+-codoped Y 2 Mo 3 O 12 microparticles for highly sensitive thermometry
Kalinichev et al. Yb3+/Er3+− codoped GeO2–PbO–PbF2 glass ceramics for ratiometric upconversion temperature sensing based on thermally and non-thermally coupled levels
Wang et al. A comparative study of spectral and temperature sensing properties of Er3+ mono-doped LnNbO4 (Ln= Lu, Y, Gd) phosphors under 980 and 1500 nm excitations
Pang et al. Calibration of optical temperature sensing of Ca1-xNaxMoO4: Yb3+, Er3+ with intense green up-conversion luminescence
CN113736461B (en) Cr (chromium)3+/Yb3+Codoped broadband near-infrared luminescent material, preparation method thereof and illumination and display light source
CN111073642A (en) Novel self-calibration fluorescent temperature probe material and preparation method and application thereof
CN107345134B (en) High-sensitivity rare earth doped tungsten bronze fluorescent temperature detection material
Rakov Tm3+, Yb3+: Y2SiO5 up-conversion phosphors: exploration of temperature sensing performance by monitoring the luminescence emission
Wang et al. A colorimetric optical thermometry of host-sensitized Pr 3+-doped niobate phosphors based on electronic-rich-site strategy
CN105219388A (en) A kind of Er ions lanthanum yttrium oxide luminescent material and preparation method thereof
CN114479853A (en) Optical temperature sensing material and application thereof
Lei et al. An up-conversion Ba 3 In (PO 4) 3: Er 3+/Yb 3+ phosphor that enables multi-mode temperature measurements and wide-gamut ‘temperature mapping’
CN111778025B (en) Erbium-ytterbium co-doped scandium molybdate heat-enhanced up-down conversion luminescent material and preparation method thereof
Long et al. A novel multifunctional double perovskite structure phosphor La2MgTiO6: Mn4+, Eu3+
CN116355613A (en) High-sensitivity self-activated fluorescent temperature measurement material and preparation method thereof
CN111253941A (en) Temperature-division-area nanometer fluorescence thermometer, preparation method thereof and fluorescence temperature measuring method
CN114437725B (en) Temperature sensing material based on trivalent terbium and trivalent europium co-doping, and preparation method and application thereof
CN113462389A (en) Thermochromic fluorescent temperature measuring material and preparation method and application thereof
CN115820252A (en) Rare earth doped multi-excitation light source optical temperature measurement type fluorescent powder and preparation method thereof
CN110330971B (en) High-sensitivity up-conversion temperature measurement material and preparation method and application thereof
CN114958332A (en) Luminescent thermochromic fluorescent material and preparation method and application thereof
CN113549459A (en) Based on Yb3+,Mn2+Co-doped yttrium aluminum garnet up-conversion luminescence temperature sensing fluorescent material and preparation method thereof

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