CN114180845B - Metal halide scintillator microcrystalline glass material, preparation method and application thereof - Google Patents
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Abstract
The invention provides a microcrystalline glass material of a metal halide scintillator, which is characterized in that: gold thereofThe chemical formula of the genus halide is (A) 2 MnBr 4 Wherein A is an ethyltriphenylphosphine cation C 20 H 20 P + Mn is a divalent manganese ion Mn 2+ And Br is bromide ion Br ‑ . The invention also provides a preparation method and application of the metal halide scintillator glass ceramic material. The microcrystalline glass material of the metal halide scintillator provided by the invention has the advantages of large and uniform size, good transparency, high spatial resolution, simple and easy preparation and low cost.
Description
Technical Field
The invention relates to the technical field of scintillator glass ceramic materials, in particular to a metal halide scintillator glass ceramic material, a preparation method of the material and an application of the material.
Background
X-ray detection is of great importance in fields related to product quality inspection, medical diagnosis and scientific research. The scintillating material is a material which can emit visible light after being irradiated by X-ray, and plays an important role in the field of X-ray detection. Besides the fluorescent material under the irradiation of X-ray, the scintillating material also can emit fluorescent light under the irradiation of high-energy ray generated by the disintegration of other radioactive isotopes. Therefore, this property of scintillating materials has been exploited to create detectors for measuring various radiation.
In recent years, due to the rapid development of medical, industrial and high-energy physical research imaging technologies, scintillating materials show excellent scintillating performance, and have wide application in the technical fields of medical imaging, luggage security inspection, container inspection, petroleum well logging, environment monitoring, security inspection, industrial nondestructive inspection, aerospace detection, nuclear technology, military monitoring and the like.
Currently, most scintillators (such as CsI: tl, BGO, LAG: ce, etc.) are prepared by a complex pulling method using expensive single crystals, and the size of the prepared scintillator is limited. Based on the above-mentioned disadvantages of scintillators, metal halides, which have recently received much attention, exhibit great application potential in the field of X-ray detection and imaging. Most metal halide scintillators are prepared into single crystals by a solution method, and although the single crystals have the advantages of high radiant light yield, low detection limit and the like, the single crystals prepared by the solution method cannot meet the requirement of large-size scintillators on the market.
Therefore, there is a need to develop a method for preparing a scintillator with characteristics of large size, high transparency, high light yield, low detection limit, etc., which is simple and easy to implement and low in cost, and provides a low-cost scintillator material for technologies such as high-resolution X-ray medical imaging and radiation detection.
Disclosure of Invention
The invention aims to solve the technical problem of providing a simple and easy scintillator preparation method with low cost, and the prepared scintillator has the characteristics of large size, high transparency, high light yield, low detection limit and the like, and provides a low-cost scintillator material for the technical fields of high-resolution X-ray medical images, radiation detection and the like.
In order to solve the above technical problems, the present invention provides a microcrystalline glass material of a metal halide scintillator, wherein the chemical formula of the metal halide is (A) 2 MnBr 4 Wherein A is an ethyltriphenylphosphine cation C 20 H 20 P + Mn is a divalent manganese ion Mn 2+ Br is bromide ion Br - 。
Further, the diameter of the metal halide scintillator glass ceramic material is more than or equal to 10cm.
The invention also provides a preparation method of the metal halide scintillator glass ceramic material, which comprises the following steps:
preparing a metal halide single crystal;
heating the metal halide single crystal to be molten without generating bubbles to obtain a melt;
and solidifying the molten substance to obtain the metal halide scintillator glass ceramic material.
Further, the preparation of the metal halide single crystal comprises the following steps:
at a temperature of 100-120 ℃, mixing the components in a molar ratio of 2:1 ABr and MnBr 2 Dissolving in aqueous HBr solution;
cooling the solution to separate out metal halide single crystals;
filtering the solution, and drying the filtered solid at 40-60 ℃ for 1-2h to obtain the metal halide single crystal.
The invention also provides another preparation method of the metal halide scintillator glass ceramic material, which comprises the following steps:
ABr and MnBr 2 According to the following steps: 1, and grinding to obtain ABr and MnBr 2 A mixture of (a);
ABr and MnBr 2 The mixture of (a) is heated to be molten without generating bubbles to obtain a melt;
and solidifying the molten substance to obtain the metal halide scintillator glass ceramic material.
Further, the metal halide single crystal or ABr and MnBr 2 Heating the mixture at 200-280 deg.C for 1-3 hours to obtain a melt.
Further, the metal halide single crystal or ABr and MnBr 2 The mixture of (2) is first loaded into a corundum crucible, which is then placed in a muffle furnace to heat the melt.
Further, the melt is solidified in a graphite mould with a regular shape for 1-5 minutes to obtain the metal halide scintillator glass ceramic material with the diameter of more than or equal to 10cm.
Further, the mass fraction of the aqueous HBr solution is 45 to 50%.
The invention also provides application of the metal halide scintillator glass ceramic material, the metal halide scintillator glass ceramic material is applied to large-size X-ray imaging, the diameter of the metal halide scintillator glass ceramic material is more than or equal to 10cm, and the metal halide is (A) 2 MnBr 4 Wherein A is an ethyltriphenylphosphine cation C 20 H 20 P + Mn is divalent manganese ion Mn 2+ And Br is bromide ion Br - 。
The invention provides a microcrystalline glass material of a metal halide scintillator, which comprises the following components in a chemical formula (A) 2 MnBr 4 Wherein A is an ethyltriphenylphosphine cation C 20 H 20 P + Mn is divalent manganese ion Mn 2+ Br is bromide ion Br - It contains no toxic metal, does not cause toxic metal pollution, and its size is large and uniform, and its diameter can be over 10cmMeanwhile, the transmittance of the material in a visible region is more than 85%, the defect of insufficient transparency of the current single crystal scintillator is overcome by good transparency of the material, the material can emit light with a luminescence peak in a 520nm broadband emission under the excitation of X-rays, and the spatial resolution (MTF = 0.2) can reach 13.4lp mm -1 The X-ray imaging system can realize high-resolution X-ray display imaging and has great application potential in the aspects of medical imaging and industrial detection.
The invention provides a preparation method of a metal halide scintillator glass ceramic material, which has the advantages of cheap and easily obtained raw materials, no toxic metal, safety, environmental protection, simple preparation process, low requirement on preparation conditions, simplicity, practicability and low preparation cost, and the prepared scintillator glass ceramic material has large and uniform size and diameter of more than 10cm, and simultaneously has good transparency, the transmittance in a visible region is more than 85%, a luminescence peak can be emitted in a 520nm broadband under the excitation of X rays, and the spatial resolution (MTF = 0.2) can reach 13.4lp mm -1 The method can realize high-resolution X-ray display imaging and has great application potential in the aspects of medical imaging and industrial detection.
Drawings
FIG. 1 is an experimental X-ray diffraction pattern of a metal halide scintillator glass-ceramic material, metal halide (C), provided in accordance with an embodiment of the present invention 20 H 20 P) 2 MnBr 4 An experimental X-ray diffraction pattern of a single crystal sample and a single crystal structure simulated X-ray diffraction pattern;
FIG. 2 is a luminescence spectrum of a microcrystalline glass material of a metal halide scintillator prepared by an embodiment of the invention under the excitation of X-rays;
FIG. 3 is a transmittance curve of a microcrystalline glass material of a metal halide scintillator prepared according to an embodiment of the present invention;
FIG. 4 is a Modulation Transfer Function (MTF) of an X-ray image calculated by a hypotenuse method of a microcrystalline glass material of a metal halide scintillator prepared according to an embodiment of the present invention;
fig. 5 is a comparison graph of a real-world image and a flat-panel scintillator imaging image of the metal halide scintillator glass-ceramic material prepared by the embodiment of the invention applied to large-size X-ray imaging.
Detailed Description
The invention provides a microcrystalline glass material of a metal halide scintillator, wherein the chemical formula of the metal halide is (A) 2 MnBr 4 Wherein A is an ethyltriphenylphosphine cation C 20 H 20 P + Mn is a divalent manganese ion Mn 2+ Br is bromide ion Br - . The metal halide scintillator glass ceramic material does not contain toxic metal, does not cause toxic metal pollution, and is safe and environment-friendly in the using process.
Wherein the diameter of the metal halide scintillator glass ceramic material is more than or equal to 10cm. The microcrystalline glass material of the metal halide scintillator has a large size, so that the requirement of large-size scintillators on the market can be completely met.
The invention provides a preparation method of a metal halide scintillator microcrystalline glass material, which comprises the following steps:
step 1) preparing a metal halide single crystal, the preparation method comprising the steps of:
firstly, at a temperature of 100-120 ℃, the molar ratio of 2:1 ABr and MnBr 2 Dissolved in aqueous HBr.
The solution is then cooled to precipitate a metal halide single crystal.
And filtering the solution, and drying the filtered solid at 40-60 ℃ for 1-2h to obtain the metal halide single crystal. The experimental X-ray diffraction pattern of the obtained metal halide single crystal is shown as the X-ray diffraction curve of the crystal in FIG. 1.
And 2) firstly putting the prepared metal halide single crystal into a corundum crucible, then putting the corundum crucible into a muffle furnace, heating for 1-3 hours at 200-280 ℃, and melting the metal halide single crystal until no bubbles are generated to obtain a melt.
And 3) pouring the obtained melt into a graphite mold with a certain regular shape, and solidifying for 1-5 minutes to obtain the metal halide scintillator glass ceramic material with the diameter of more than or equal to 10cm. The experimental X-ray diffraction of the microcrystalline glass material of the metal halide scintillator prepared by the embodiment of the invention is shown as the X-ray diffraction curve of glass microcrystals in figure 1. The diameter of the microcrystalline glass material of the metal halide scintillator obtained by the embodiment of the invention is more than 10cm, so that the microcrystalline glass material can completely meet the requirement of large-size scintillators on the market.
As another specific embodiment of the present invention, the preparation method of the microcrystalline glass material for a metal halide scintillator provided by the present invention can further comprise the following steps:
step 1) pressing (A) 2 MnBr 4 The stoichiometric ratio of (A) to (B) is defined by the ratio of ABr to MnBr 2 According to the following steps: 1 in a mortar, and grinding to obtain ABr and MnBr 2 A mixture of (a).
Step 2) mixing ABr and MnBr 2 The mixture is firstly put into a corundum crucible, then the corundum crucible is put into a muffle furnace and heated for 1 to 3 hours at the temperature of between 200 and 280 ℃, and ABr and MnBr 2 The mixture of (a) is melted until no bubbles are generated to obtain a melt.
And 3) pouring the obtained melt into a graphite mold with a certain regular shape, and solidifying for 1-5 minutes to obtain the metal halide scintillator glass ceramic material with the diameter of more than or equal to 10cm. The experimental X-ray diffraction of the microcrystalline glass material of the metal halide scintillator prepared by the embodiment of the invention is shown as the X-ray diffraction curve of glass microcrystal in figure 1. The diameter of the microcrystalline glass material of the metal halide scintillator obtained by the embodiment of the invention is more than 10cm, so that the microcrystalline glass material can completely meet the requirement of large-size scintillators on the market.
Referring to fig. 1, comparing the experimental X-ray diffraction curve of the microcrystalline glass material of the metal halide scintillator prepared by the embodiment of the present invention with the experimental X-ray diffraction curve and the simulated X-ray diffraction curve of the metal halide single crystal, it can be seen that the XRD spectrum of the microcrystalline glass material of the metal halide scintillator is amorphous peak (C) 20 H 20 P) 2 MnBr 4 Diffraction peaks are all shown in (C) 20 H 20 P) 2 MnBr 4 Quenching in a high-temperature molten state can be achieved (C) 20 H 20 P) 2 MnBr 4 A transformation of the structure from liquid phase to glass phase accompanied by a quenching(C 20 H 20 P) 2 MnBr 4 The presence of recrystallization.
As can be seen from FIG. 2, the microcrystalline glass material of the metal halide scintillator prepared by the embodiment of the invention can be excited by X-rays, has an emission peak at 520nm and has excellent light yield (35000 ph Me V) -1 )。
As can be seen from FIG. 3, the microcrystalline glass material for the metal halide scintillator prepared by the embodiment of the invention has a light transmittance of more than 85% for most wavelengths, and has excellent transmittance.
The diameter of the microcrystalline glass material of the metal halide scintillator prepared by the invention can reach more than 10cm, and large-size X-ray imaging can be realized, and as can be seen from figure 4, when MTF =0.2, the spatial resolution of the X-ray imaging of the microcrystalline glass material of the metal halide scintillator prepared by the embodiment of the invention is 13.4lp mm -1 And high-resolution X-ray detection can be realized. Therefore, the microcrystalline glass material of the metal halide scintillator prepared by the embodiment of the invention can be applied to large-size and high-resolution X-ray imaging.
Moreover, as can be seen from fig. 5, the microcrystalline glass material for a metal halide scintillator prepared according to the embodiment of the present invention can implement X-ray imaging on a circuit board with a size of 5.5cm × 5.5cm, and can implement large-size X-ray detection. Therefore, the microcrystalline glass material of the metal halide scintillator prepared by the embodiment of the invention has a huge application prospect in the aspects of medical imaging and industrial detection.
The following provides a specific description of the preparation method and application of the microcrystalline glass material for metal halide scintillators.
Example 1
(1) 0.371g of C was weighed out separately 20 H 20 PBr，0.107g MnBr 2 In a glass bottle, 1ml of aqueous HBr was added to the bottle and stirred magnetically.
(2) And (2) placing the glass bottle in the step (1) on a stirring heating sleeve, and stirring and dissolving at 110 ℃ until a clear solution is obtained.
(3) And closing the heating device, slowly cooling to precipitate crystals, filtering the solution, and drying the filtered solid at 50 ℃ for 1.5 hours to obtain a single crystal sample.
(4) 10g of the prepared single crystal sample was taken, added to a corundum crucible, and placed in a muffle furnace. Then, the mixture was heated in a muffle furnace at 200 ℃ for 2 hours to obtain a molten liquid.
(5) The obtained molten liquid was poured into a graphite mold having a thickness of 2mm and a diameter of 10cm, and left to cool and solidify, whereby a large size (C) having a diameter of 10cm and a thickness of 2mm was obtained 20 H 20 P) 2 MnBr 4 Bulk samples.
Example 2:
(1) 0.371g of C was weighed out separately 20 H 20 PBr，0.107g MnBr 2 In a glass bottle, 1ml of aqueous HBr was added to the bottle and stirred magnetically.
(2) And (3) placing the glass bottle in the step (1) on a stirring heating sleeve, and stirring and dissolving at 100 ℃ until a clear solution is obtained.
(3) And closing the heating device, slowly cooling to separate out crystals, filtering the solution, and drying the filtered solids at 40 ℃ for 2 hours to obtain a single crystal sample.
(4) 10g of the prepared single crystal sample was taken, put into a corundum crucible, and placed in a muffle furnace. Then, the mixture was heated at 240 ℃ for 2 hours in a muffle furnace to obtain a molten liquid.
(5) The obtained molten liquid was poured into a graphite mold having a thickness of 2mm and a diameter of 10cm, and left to cool and solidify, whereby a large size (C) having a diameter of 10cm and a thickness of 2mm was obtained 20 H 20 P) 2 MnBr 4 Bulk samples.
Example 3:
(1) 0.371g of C was weighed out separately 20 H 20 PBr，0.107g MnBr 2 In a glass bottle, 1ml of aqueous HBr was added to the bottle and stirred magnetically.
(2) And (3) placing the glass bottle in the step (1) on a stirring heating sleeve, and stirring and dissolving at 120 ℃ until a clear solution is obtained.
(3) And closing the heating device, slowly cooling to separate out crystals, filtering the solution, and drying the filtered solids at 60 ℃ for 1h to obtain a single crystal sample.
(4) 10g of the prepared single crystal sample was taken, added to a corundum crucible, and placed in a muffle furnace. Then, the mixture was heated at 280 ℃ for 2 hours in a muffle furnace to obtain a molten liquid.
(5) The resulting molten liquid was poured into a graphite mold having a thickness of 2mm and a diameter of 10cm, and left to cool and solidify to give a large size (C) having a diameter of 10cm and a thickness of 2mm 20 H 20 P) 2 MnBr 4 Bulk samples.
Example 4:
(1) 7.42g of C were weighed out separately 20 H 20 PBr，2.15g MnBr 2 The raw materials were thoroughly mixed in an agate mortar with an agate mortar stick and ground.
(2) Adding the mixture obtained in the step (1) into a corundum crucible, and placing the corundum crucible into a muffle furnace. And then heated in a muffle furnace at 200 ℃ for 2h.
(3) Pouring the molten liquid obtained after heating in the step (2) into a graphite mold with the thickness of 2mm and the diameter of 10cm, waiting for cooling and solidifying to obtain a large-size (C) with the diameter of 10cm and the thickness of 2mm 20 H 20 P) 2 MnBr 4 Bulk samples.
(4) And (4) applying the large-size block sample obtained in the step (3) to X-ray imaging.
Example 5:
(1) Respectively weighing 7.42g of C 20 H 20 PBr，2.15g MnBr 2 Mixing the raw materials in an agate mortar by using an agate mortar rod, and grinding.
(2) Adding the mixture obtained in the step (1) into a corundum crucible, and placing the corundum crucible in a muffle furnace. And then heated in a muffle furnace at 240 ℃ for 2h.
(3) Pouring the molten liquid obtained after heating in the step (2) into a graphite mold with the thickness of 2mm and the diameter of 10cm, waiting for cooling, and solidifying to obtain a large size (C) with the diameter of 10cm and the thickness of 2mm 20 H 20 P) 2 MnBr 4 Bulk samples.
Example 6:
(1) Weighing 7.42g of the powder respectively C 20 H 20 PBr，2.15g MnBr 2 Mixing the raw materials in an agate mortar by using an agate mortar rod, and grinding.
(2) Adding the mixture obtained in the step (1) into a corundum crucible, and placing the corundum crucible in a muffle furnace. And then heated in a muffle furnace at 280 ℃ for 2h.
(3) Pouring the molten liquid obtained after heating in the step (2) into a graphite mold with the thickness of 2mm and the diameter of 10cm, waiting for the molten liquid to be cooled and solidified to obtain a large-size (C) with the diameter of 10cm and the thickness of 2mm 20 H 20 P) 2 MnBr 4 Bulk samples.
Example 7:
the metal halide microcrystalline glass scintillator prepared in example 4 was used for X-ray imaging. As can be seen from fig. 4, when MTF =0.2, the spatial resolution of X-ray imaging of the metal halide scintillator glass-ceramic material prepared in example 4 is 13.4lp mm -1 And high-resolution X-ray detection can be realized. Moreover, as can be seen from fig. 5, the microcrystalline glass material for metal halide scintillator prepared by the embodiment of the invention can realize X-ray imaging for the circuit board with the size of 5.5cm × 5.5 cm.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (5)
1. A preparation method of a metal halide scintillator glass ceramic material is characterized by comprising the following steps:
1) Preparing a metal halide single crystal comprising:
in the range of 100-120 o C, mixing the mixture in a molar ratio of 2:1 ABr and MnBr 2 Dissolving in 48% HBr aqueous solution;
cooling the solution to separate out metal halide single crystal;
filtering the solution, and drying the filtered solid at 40-60 ℃ for 1-2h to obtain metal halide single crystals;
wherein the metal halide has the chemical formula of (A) 2 MnBr 4 A is an ethyltriphenylphosphine cation C 20 H 20 P + Mn is a divalent manganese ion Mn 2+ And Br is bromide ion Br - ；
2) Heating the metal halide single crystal at 200-280 ℃ for 1-3 hours until the metal halide single crystal is molten and no bubbles are generated to obtain a melt;
3) Solidifying the melt to obtain a metal halide scintillator microcrystalline glass material;
wherein the diameter of the metal halide scintillator glass ceramic material is more than or equal to 10cm.
2. A preparation method of a metal halide scintillator glass ceramic material is characterized by comprising the following steps:
1) ABr and MnBr 2 According to the following steps: 1, mixing and grinding to obtain ABr and MnBr 2 A mixture of (a);
2) ABr and MnBr 2 The mixture is heated at 200-280 ℃ for 1-3 hours until the mixture is melted and no bubbles are generated to obtain a melt;
3) Solidifying the melt to obtain a metal halide scintillator microcrystalline glass material;
wherein the metal halide has the chemical formula of (A) 2 MnBr 4 A is an ethyltriphenylphosphine cation C 20 H 20 P + Mn is a divalent manganese ion Mn 2+ And Br is bromide ion Br - And the diameter of the metal halide scintillator glass ceramic material is more than or equal to 10cm.
3. The method for producing a glass-ceramic material for a metal halide scintillator according to claim 1 or 2, wherein the metal halide single crystal or ABr and MnBr 2 The mixture of (a) is first put into a corundum crucible, and then the corundum crucible is placed in a muffle furnace to heat the melt.
4. The method for preparing the metal halide scintillator glass ceramic material as claimed in claim 3, wherein the melt is solidified in a graphite mold with a regular shape for 1-5 minutes to obtain the metal halide scintillator glass ceramic material with the diameter of not less than 10cm.
5. The method for preparing a microcrystalline glass material for a metal halide scintillator as claimed in claim 4, wherein the HBr aqueous solution has a mass fraction of 45-50%.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103597374A (en) * | 2011-03-29 | 2014-02-19 | 佐治亚技术研究公司 | Transparent glass scintillators, methods of making same and devices using same |
| JP2017149883A (en) * | 2016-02-26 | 2017-08-31 | 国立大学法人東北大学 | Scintillator and radiation detector |
| CN112852407A (en) * | 2020-12-31 | 2021-05-28 | 浙江工业大学 | Application of manganese complex as X-ray scintillator material and in preparation of flexible X-ray scintillator film |
| CN113337277A (en) * | 2021-05-20 | 2021-09-03 | 华中科技大学 | Organic-inorganic hybrid copper-based halide scintillator and preparation and application thereof |
| WO2021183855A1 (en) * | 2020-03-13 | 2021-09-16 | The Florida State University Research Foundation, Inc. | X-ray scintillators, metal halide hybrids, devices, and methods |
| CN113582548A (en) * | 2021-08-10 | 2021-11-02 | 上海应用技术大学 | Borate scintillation glass embedded with microcrystalline phase and preparation method thereof |
-
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103597374A (en) * | 2011-03-29 | 2014-02-19 | 佐治亚技术研究公司 | Transparent glass scintillators, methods of making same and devices using same |
| JP2017149883A (en) * | 2016-02-26 | 2017-08-31 | 国立大学法人東北大学 | Scintillator and radiation detector |
| WO2021183855A1 (en) * | 2020-03-13 | 2021-09-16 | The Florida State University Research Foundation, Inc. | X-ray scintillators, metal halide hybrids, devices, and methods |
| CN112852407A (en) * | 2020-12-31 | 2021-05-28 | 浙江工业大学 | Application of manganese complex as X-ray scintillator material and in preparation of flexible X-ray scintillator film |
| CN113337277A (en) * | 2021-05-20 | 2021-09-03 | 华中科技大学 | Organic-inorganic hybrid copper-based halide scintillator and preparation and application thereof |
| CN113582548A (en) * | 2021-08-10 | 2021-11-02 | 上海应用技术大学 | Borate scintillation glass embedded with microcrystalline phase and preparation method thereof |
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