CN114989004A - Application of metal organogel - Google Patents
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- CN114989004A CN114989004A CN202210706545.9A CN202210706545A CN114989004A CN 114989004 A CN114989004 A CN 114989004A CN 202210706545 A CN202210706545 A CN 202210706545A CN 114989004 A CN114989004 A CN 114989004A
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 59
- 239000002184 metal Substances 0.000 title claims abstract description 59
- 239000000463 material Substances 0.000 claims abstract description 56
- 238000003384 imaging method Methods 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000002360 preparation method Methods 0.000 claims abstract description 9
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 20
- 239000008367 deionised water Substances 0.000 claims description 10
- 229910021641 deionized water Inorganic materials 0.000 claims description 10
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 10
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 9
- 239000000243 solution Substances 0.000 claims description 8
- ATKFMEGWDYLXBP-UHFFFAOYSA-N 2-(2,4,5-trichlorophenoxy)ethanol Chemical compound OCCOC1=CC(Cl)=C(Cl)C=C1Cl ATKFMEGWDYLXBP-UHFFFAOYSA-N 0.000 claims description 6
- 238000004108 freeze drying Methods 0.000 claims description 4
- 239000011259 mixed solution Substances 0.000 claims description 4
- 238000001523 electrospinning Methods 0.000 claims description 3
- 238000004090 dissolution Methods 0.000 claims description 2
- 238000010041 electrostatic spinning Methods 0.000 abstract description 11
- 239000012528 membrane Substances 0.000 abstract description 4
- 239000013212 metal-organic material Substances 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 3
- 239000002861 polymer material Substances 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 40
- 238000010521 absorption reaction Methods 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 5
- 230000005469 synchrotron radiation Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 239000003446 ligand Substances 0.000 description 3
- 238000004020 luminiscence type Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 241000254173 Coleoptera Species 0.000 description 2
- 239000013207 UiO-66 Substances 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 238000003760 magnetic stirring Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- 230000000171 quenching effect Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- WXKDNDQLOWPOBY-UHFFFAOYSA-N zirconium(4+);tetranitrate;pentahydrate Chemical compound O.O.O.O.O.[Zr+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O WXKDNDQLOWPOBY-UHFFFAOYSA-N 0.000 description 2
- IRQWEODKXLDORP-UHFFFAOYSA-N 4-ethenylbenzoic acid Chemical compound OC(=O)C1=CC=C(C=C)C=C1 IRQWEODKXLDORP-UHFFFAOYSA-N 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
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- 238000000295 emission spectrum Methods 0.000 description 1
- HOEJXJMZXGNCBJ-UHFFFAOYSA-N ethene 4-ethenylbenzoic acid Chemical group C=CC1=CC=C(C=C1)C(=O)O.C=C HOEJXJMZXGNCBJ-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000001748 luminescence spectrum Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000006862 quantum yield reaction Methods 0.000 description 1
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- JLZUZNKTTIRERF-UHFFFAOYSA-N tetraphenylethylene Chemical group C1=CC=CC=C1C(C=1C=CC=CC=1)=C(C=1C=CC=CC=1)C1=CC=CC=C1 JLZUZNKTTIRERF-UHFFFAOYSA-N 0.000 description 1
- 238000004876 x-ray fluorescence Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/41—Preparation of salts of carboxylic acids
- C07C51/418—Preparation of metal complexes containing carboxylic acid moieties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0052—Preparation of gels
- B01J13/0065—Preparation of gels containing an organic phase
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G83/00—Macromolecular compounds not provided for in groups C08G2/00 - C08G81/00
- C08G83/008—Supramolecular polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
- D04H1/728—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by electro-spinning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/10—Non-macromolecular compounds
- C09K2211/1003—Carbocyclic compounds
- C09K2211/1007—Non-condensed systems
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/18—Metal complexes
- C09K2211/183—Metal complexes of the refractory metals, i.e. Ti, V, Cr, Zr, Nb, Mo, Hf, Ta or W
Abstract
An application of metal organogel relates to the field of leading-edge photoelectric materials, and relates to a high-efficiency organic scintillator material for high-resolution X-ray imaging based on the metal organogel. The invention aims to solve the technical problem that the existing organic scintillator is difficult to realize high-resolution X-ray imaging. The metal organogel of the present invention is useful as a scintillator material for high resolution X-ray imaging. The metal organic gel material has internal and external quantum efficiency of nearly 100 percent, and is beneficial to high-resolution X-ray imaging; the metal organic material has excellent chemical and physical stability, and has excellent thermal stability, water stability and irradiation resistance stability; based on the composition of the metal organogel material and a high polymer material, a large-area flexible membrane material is prepared through electrostatic spinning, high-resolution X-ray imaging is realized, and the resolution can reach 20 lp/mm; the preparation method of the metal organic gel material is simple, efficient and low in cost.
Description
Technical Field
The invention relates to the field of leading edge photoelectric materials, in particular to a high-efficiency organic scintillator material for high-resolution X-ray imaging based on metal organic gel.
Background
Scintillators have been widely used in the fields of crystallography, cosmonautic exploration, and medical treatment. While the traditional inorganic scintillator material PbWO 4 、Bi 4 Ge 3 O 12 And CSI Tl generally employs high temperatures>1700 c) and is bulky and fragile, which undoubtedly greatly increases the cost and difficulty of its preparation. In recent years, perovskite materials have received wide attention as a promising scintillator material, but their prospects as industrial applications are limited by chemical stability and self-absorption effects. Compared with inorganic scintillators, organic scintillators have the advantages of low cost, convenient synthesis, short decay time and the like. However, many conventional organic scintillators, including organic dyes and plastic scintillators, have the disadvantages of weak X-ray absorption, low light yield, poor stability, quenching phenomenon (quenching due to aggregation) in a high concentration state, and the like. Furthermore, for most organic scintillators, direct doping with heavy metals to enhance their scintillation properties is a very difficult task. And the application of luminescent materials with characteristics is expected to solve the above disadvantages of the existing scintillating materials.
Disclosure of Invention
The invention provides application of metal organogel to solve the technical problem that the existing organic scintillator is difficult to realize high-resolution X-ray imaging.
The metal organogel of the present invention is useful as a scintillator material for high resolution X-ray imaging.
The preparation method of the metal organogel comprises the following steps: zr (NO) 3 ) 4 ·5H 2 O and H 4 Dissolving TCPE in a mixed solution of N, N-dimethylformamide and deionized water, ultrasonically dissolving, then placing in a box-type furnace, heating to 90-95 ℃, keeping the temperature for 24-25 h, then cooling to room temperature, washing the obtained gel product with deionized water, and then freeze-drying with a freeze-dryerDrying to obtain the metal organogel YTU-1000.
The invention has the advantages that:
1. the metal organic gel material has internal and external quantum efficiency of nearly 100 percent, and is beneficial to high-resolution X-ray imaging;
2. the metal organic gel material has a detection limit which is 173 times lower than a radiation dosage value required by diagnosis;
3. the metal organic material has excellent chemical and physical stability, and has excellent thermal stability, water stability and irradiation resistance stability;
4. based on the composition of the metal organic gel material and a high polymer material, a large-area flexible film material is prepared through electrostatic spinning, high-resolution X-ray imaging is realized, and the resolution can reach 20 lp/mm;
5. the preparation method of the metal organic gel material is simple, efficient and low in cost.
Drawings
FIG. 1 is synchrotron radiation test X-ray absorption fine structure test data;
FIG. 2 is synchrotron radiation test X-ray absorption edge test data;
FIG. 3 is a graph of specific surface area test data for run one prepared metal organogel YTU-1000;
FIG. 4 is a graph of pore size test data for run one prepared metal organogel YTU-1000;
FIG. 5 is a steady state luminescence spectrum test chart of the gel material and the ligand in experiment three;
FIG. 6 is a graph of the quantum yield of the metal organogel of experiment three;
FIG. 7 is a chart of the XEL spectra of the metal organogel material at different doses of radiation intensity for the four experiments;
FIG. 8 shows the X-ray on-off cycle response of the metal organogel material prepared in test one of test four;
FIG. 9 is a schematic flow chart of the process for preparing a metal organogel into a flexible membrane material by electrostatic spinning in experiment five;
FIG. 10 is a flexible display object diagram of a flexible YTU-1000/PVP scintillation film material prepared by electrospinning metal organogel in experiment five;
FIG. 11 is a graph of line-to-card X-ray imaging performed in trial six using the flexible film material prepared in trial five;
FIG. 12 is an X-ray image of a circuit board in test six using the flexible film material prepared in test five;
FIG. 13 is an X-ray image of beetles in test six using the flexible membrane material prepared in test five;
fig. 14 is a detection limit test chart of the gel material of test seven.
Detailed Description
The first embodiment is as follows: the present embodiment is an application of a metal organogel as a scintillator material required for high resolution X-ray imaging;
the preparation method of the metal organogel comprises the following steps: zr (NO) 3 ) 4 ·5H 2 O and H 4 Dissolving TCPE in a mixed solution of N, N-dimethylformamide and deionized water, ultrasonically dissolving, then placing in a box-type furnace, heating to 90-95 ℃, keeping the temperature for 24-25 h, then cooling to room temperature, washing the obtained gel product with deionized water, and then freeze-drying with a freeze dryer to obtain the metal organogel YTU-1000.
The second embodiment is as follows: the first difference between the present embodiment and the specific embodiment is: then putting the mixture into a box furnace, heating to 90 ℃ at the speed of 3 ℃/min, and preserving the heat for 24 h. The rest is the same as the first embodiment.
The third concrete implementation mode: the present embodiment differs from the first or second embodiment in that: heating to 90 deg.C at 3 deg.C/min, maintaining for 24 hr, and cooling to room temperature at 4 deg.C/min. The others are the same as in the first or second embodiment.
The fourth concrete implementation mode: the difference between this embodiment mode and one of the first to third embodiment modes is: adding 0.11mol of Zr (NO) 3 ) 4 ·5H 2 O and 0.98mmol of H 4 TCPE was dissolved in 4mL of N, N-dimethylformamide and 4mL of deionized water. The rest is the same as one of the first to third embodiments.
The fifth concrete implementation mode: the fourth difference between this embodiment and the specific embodiment is that: 0.5g of metal organogel YTU-1000 and 1g of polyvinylpyrrolidone are dissolved in 10g of methanol solution, magnetic stirring is carried out for 8h to obtain electrostatic spinning solution, then the electrostatic spinning solution is spun on a collecting plate at the voltage of 18kV, the distance between the collecting plate and a spinneret plate is 20cm, the flow rate is 1.5mL/h, and the flexible YTU-1000/PVP scintillation film is obtained after electrostatic spinning for 4 h. The rest is the same as the fourth embodiment.
The invention was verified with the following tests:
the first test: the test is an application of a metal organogel material, the metal organogel is used as a scintillator material required by low-dose X-ray imaging:
the preparation method of the metal organogel comprises the following steps: zr (NO) 3 ) 4 ·5H 2 O (30mg,0.11mmol) and H 4 TCPE (1,12, 2-tetra (4-carboxystyrene) ethylene) (50mg,0.98mmol) is dissolved in N, N-dimethylformamide (DMF,4mL) and deionized water (4mL), ultrasonic dissolution is carried out in a beaker, then a heat-resistant glass bottle is placed in a box furnace, the temperature is raised to 90 ℃ at the speed of 3 ℃/min and kept for 24 hours, the temperature is lowered to room temperature at the speed of 4 ℃/min, the obtained gel product is washed by the deionized water, and then freeze drying is carried out by a freeze dryer, so as to obtain the metal organic gel YTU-1000.
And (2) test II: and (3) respectively carrying out an X-ray absorption fine structure test and an absorption edge test by adopting a synchrotron radiation test, and testing the aperture and the specific surface area of the gel by adopting a specific surface area and an aperture.
FIG. 1 shows synchrotron radiation test X-ray absorption fine structure test data, in order to study the fine structure of a gel material, a metal organogel YTU-1000 prepared in experiment one, a UIO-66MOF material and zirconium nitrate pentahydrate are compared, and the distance of Zr metal in the gel material is obtained
FIG. 2 shows synchrotron radiation X-ray absorption edge test data, and in order to study the fine structure of the gel material, the metal organogel YTU-1000 prepared in the first test, the UIO-66MOF material and zirconium nitrate pentahydrate are compared to obtain the valence of Zr metal in the gel material + 4.
The metal site structure of its clusters is demonstrated by fig. 1 and 2.
FIG. 3 is a graph of specific surface area test data for metal organogels YTU-1000 prepared in run one, and FIG. 4 is a graph of pore size test data for metal organogels YTU-1000 prepared in run one, as shown in FIGS. 3 and 4, having a specific surface area of 24.1m 2 The pore diameter is 0, and the nonporous compact structure of the gel is verified.
And (3) test III: excitation, emission spectra and quantum efficiencies were measured using FLS 980.
As shown in fig. 5, curve 1 is the prepared metal-organic material of test one, and curve 2 is the purchased (1,12, 2-tetrakis (4-carboxystyrene) ligand, the fluorescence intensity of the metal-organic gel is increased by more than 2.5 times compared with the ligand.
The quantum efficiency of the prepared metal organogel was measured by using an integrating sphere of FLS980, and fig. 6 is a quantum efficiency graph of the synthesized metal organogel material, and it can be seen that, due to the nonporous, dense and stable structure of the synthesized metal organogel, the internal and external quantum efficiencies of the metal organogel were 95.45% and 88.15%, respectively, under UV excitation of 397nm, exhibiting extremely high quantum efficiency, which is extremely rare in the case of the light emitting material using tetraphenylethylene as the light emitting group.
And (4) testing: experiment one scintillator property of the synthesized metal organogel material was tested, as shown in fig. 7, the higher the curve corresponds to the larger the X-ray dose, and the metal organogel material shows linear fluorescence intensity under excitation of different X-ray doses. As shown in fig. 8, after a plurality of cycles of X-ray on-off irradiation, the synthesized metal organogel was tested for exhibiting stable X-ray fluorescence intensity.
And (5) testing: the metal organogel material and the high polymer material PVP are compounded by adopting an electrostatic spinning method to prepare the large-area, flexible and stable scintillator film.
Firstly, 0.5g of metal organogel prepared in the first test and 1g of polyvinylpyrrolidone (PVP) are dissolved in 10g of methanol solution, magnetic stirring is carried out for 8h to obtain electrostatic spinning solution, then the solution is spun on a collecting plate at the voltage of 18kV, the distance between the collecting plate and a spinneret plate is 20cm, the flow rate is 1.5mL/h, and the flexible YTU-1000/PVP scintillation film is obtained after electrostatic spinning is carried out for 4 h.
FIG. 9 is a schematic flow chart of the preparation of membrane material by electrostatic spinning.
FIG. 10 is a pictorial representation of a flexible YTU-1000/PVP scintillating film prepared in run five, showing that the metal organogel material is uniformly compounded in the film material and is capable of achieving bright luminescence. The film material has the characteristics of stretchability and flexibility, and can meet the requirement of realizing flexible X-ray imaging under low dosage.
And (6) test six: the flexible scintillator film prepared in the fifth test was matched with an X-ray device to manufacture an X-ray imaging system.
As shown in FIG. 11, the preparation of flexible film material based on electrospinning can realize high resolution X-ray imaging of 20lp/mm, which is very rare in organic scintillator materials. As shown in fig. 12 and 13, the flexible film material prepared based on electrostatic spinning sequentially realizes high-resolution imaging of the circuit board and beetles, and proves the practical application potential of the metal organogel material as a flexible scintillating material.
Test seven: the X-ray source was configured by FS5 fluorescence spectrometer, varying the intensity of current and voltage, and the luminescence spectra of different X-ray excited gel materials (prepared in experiment one) were collected. The dose was proved to be directly proportional to the luminescence intensity by linear fitting, and the limit of detection was obtained by calculating the standard deviation of the 3 times noise value of the instrument divided by the fitted slope. FIG. 14 is a test chart of the detection limit of the gel material of test seven, and as shown in FIG. 14, the metal organogel material prepared in test one has the detection limit of 41nGy/s, which is lower than 173 times the radiation dose value required for diagnosis.
Claims (5)
1. Use of a metal organogel as a scintillator material for high resolution X-ray imaging;
the preparation method of the metal organogel comprises the following steps: zr (NO) 3 ) 4 ·5H 2 O and H 4 TCPE is dissolved in a mixed solution of N, N-dimethylformamide and deionized water, ultrasonic dissolution is carried out, then the mixed solution is placed into a box type furnace, the temperature is increased to 90-95 ℃, the temperature is kept for 24-25 h, then the temperature is reduced to room temperature, the obtained gel product is washed by the deionized water, and then freeze drying is carried out by a freeze dryer, thus obtaining the metal organic gel YTU-1000.
2. Use of a metal organogel according to claim 1, characterised in that it is then placed in a box furnace, heated to 90 ℃ at 3 ℃/min and kept warm for 24 h.
3. Use of a metal organogel according to claim 1, characterised in that the temperature is raised to 90 ℃ at 3 ℃/min and kept for 24h, after which the temperature is lowered to room temperature at 4 ℃/min.
4. Use of a metal organogel according to claim 1, characterized in that 0.11mol of Zr (NO) is added 3 ) 4 ·5H 2 O and 0.98mmol of H 4 TCPE was dissolved in 4mL of N, N-dimethylformamide and 4mL of deionized water.
5. Use of a metal organogel according to claim 1, characterized in that 0.5g of metal organogel YTU-1000 and 1g of polyvinylpyrrolidone are dissolved in 10g of methanol solution and magnetically stirred for 8h to obtain an electrospun solution, which is then spun at a voltage of 18kV onto a collector plate at a distance of 20cm from the spinneret and at a flow rate of 1.5mL/h to obtain a flexible YTU-1000/PVP scintillator film after 4h of electrospinning.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116535665A (en) * | 2023-05-30 | 2023-08-04 | 吉林大学 | Room-temperature preparation method and application of water-stable Zr-MOG material |
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| CN113968928A (en) * | 2021-12-08 | 2022-01-25 | 西北工业大学 | X-ray responsive polymer phosphorescent scintillator and preparation method and application thereof |
| CN114054000A (en) * | 2021-12-09 | 2022-02-18 | 烟台大学 | Application of zirconium-based organogel material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116535665A (en) * | 2023-05-30 | 2023-08-04 | 吉林大学 | Room-temperature preparation method and application of water-stable Zr-MOG material |
| CN116535665B (en) * | 2023-05-30 | 2023-12-08 | 吉林大学 | Room-temperature preparation method and application of water-stable Zr-MOG material |
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