CN109437557A - A kind of cluster doped fluorphosphate glass of green white fluorescence silver content and preparation method thereof based on non-bridging oxygen coordination - Google Patents
A kind of cluster doped fluorphosphate glass of green white fluorescence silver content and preparation method thereof based on non-bridging oxygen coordination Download PDFInfo
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- 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
- C03C3/23—Silica-free oxide glass compositions containing halogen and at least one oxide, e.g. oxide of boron
- C03C3/247—Silica-free oxide glass compositions containing halogen and at least one oxide, e.g. oxide of boron containing fluorine and phosphorus
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- 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
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- 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
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
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- 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
- C03C14/00—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
- C03C14/004—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix the non-glass component being in the form of particles or flakes
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- 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
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Abstract
The invention discloses a kind of cluster doped fluorphosphate glass of green white fluorescence silver content based on non-bridging oxygen coordination, component is by mole being calculated as: ZnF2(30-55%), P2O5(25-55%), SnO2(5-10%), In2O3(5-10%), Ag (0.1-3%) is prepared using high temperature melting two-step method.Glass prepared by the present invention has visible light wave range wide range high-efficiency fluorescence characteristic and good physical and chemical stability, it can laminate and be applied to modulation solar spectrum to improve solar battery energy conversion efficiency, or cooperation UV LED chip is applied to White-light LED illumination as fluorescence conversion layer.
Description
Technical field
The present invention relates to a kind of precious metal doping inorganic fluorescent glass and preparation method thereof, more particularly to one kind to be based on non-bridge
Cluster doped fluorphosphate glass of green white fluorescence silver content of oxygen coordination and preparation method thereof.
Background technique
Sub- the cluster ([Ag of noble metal quantum cluster, especially silver contentm]n+), it is a kind of novel metallic molecule luminescent material, tool
There are the performances such as excellent optics, spectroscopy, catalysis.[Agm]n+Quantum cluster is only by several to dozens of atoms (Ag0)/ion
(Ag+) form, the continuous energy level of bulk metal material is split into discrete energy level herein, produces strong quantum effect and molecule
State fluorescence there is wide range can reconcile fluorescence efficiency high a little, thus bio-sensing can be applied to, data storage, temperature are visited
The fields such as survey, display and illumination.Due to [Agm]n+Quantum cluster has very high chemical activity, therefore obtains this High Efficiency Luminescence
The key of molecule be how stable [Agm]n+Quantum cluster.Utilize organic polymer or protein and [Agm]n+Form complex
Structure can effectively stable [Ag in unorganic glassm]n+Quantum cluster, but there are still the problems of thermal stability difference.
Summary of the invention
In view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of green white fluorescence silver contents based on non-bridging oxygen coordination
Cluster doped fluorphosphate glass of son and preparation method thereof.
The purpose of the present invention is achieved through the following technical solutions: a kind of green white fluorescence silver based on non-bridging oxygen coordination
The cluster doped fluorphosphate glass of quantum has following composition (molar percentage):
The present invention also provides a kind of above-mentioned cluster doped fluorophosphates of green white fluorescence silver content based on non-bridging oxygen coordination
The preparation method of glass, its step are as follows:
(1) ZnF is respectively adopted2、H3PO4、SnO2、In2O3And AgNO3Powder raw material introduces ZnF by mole composition2、
P2O5、SnO2、In2O3And Ag, it calculates its mass percent and weighs each raw material in proportion；
(2) by ZnF2、H3PO4And AgNO3Raw material powder is uniformly mixed in the agate mortar, is placed in corundum crucible, in sky
It is melted 0.5-1 hours at 1150-1250 DEG C in gas atmosphere, glass melt is poured into molding in copper-made mould and obtains glass blocks
Material is then crushed simultaneously grind into powder with agate mortar；
(3) by all glass powders made from step 2 and the weighed SnO of step 12、In2O3Powder raw material, in agate mortar
In be uniformly mixed, be placed in corundum crucible, in air atmosphere at 1000-1100 DEG C be melted 0.5-1 hours, glass is melted
Body pours into molding in copper-made mould and obtains glass bulk；
(4) transparent glass sheet is made through flat surface grinding, polishing in glass made from step 3.
The sub- cluster of fluorescence silver content has the wide range excitation band in ultraviolet band (240-370nm), center in glass of the present invention
Wavelength is located at 280nm；The sub- cluster of fluorescence silver content has in the wide range transmitting band transmitting of visible waveband (350-800) in glass
Cardiac wave is long to be located at 600nm.This is mainly shining for silver ion.The sub- cluster of fluorescence silver content has in ultraviolet band (240- in glass
Wide range excitation band 400nm), central wavelength are located at 320nm；The sub- cluster of fluorescence silver content has in visible waveband (380- in glass
800) central wavelength of wide range transmitting band transmitting is located at 480nm.This is the zinc oxygen tetrahedron [ZnO based on non-charge balance4]
Or the phosphorus oxygen tetrahedron [PO with non-bridging oxygen4] and doping Ag concentration regulation [Agm]n+Quantum cluster shines.Due to
Glass all components of the present invention are inorganic matter, so good physical and chemical stability and thermal stability, can laminate
Solar battery energy conversion efficiency is improved applied to modulation solar spectrum, or cooperation UV LED chip is converted as fluorescence
Layer is applied to White-light LED illumination.
Detailed description of the invention
Fig. 1 is the cluster doped glass of fluorescence silver content of embodiment 1 and the XRD spectrum comparison diagram for not mixing silver-colored glass；
Fig. 2 is the transmission electron microscope picture of the cluster doped glass of fluorescence silver content of embodiment 1；
Fig. 3 is the cluster doped glass of fluorescence silver content of embodiment 1 and the absorption spectrum comparison diagram for not mixing silver-colored glass；
Fig. 4 is the fluorescence spectrum of the cluster doped glass of fluorescence silver content of embodiment 1, wherein figure left side is excitation spectrum,
Supervisory wavelength is 480nm, and right side is emission spectrum, excitation wavelength 320nm.
Specific embodiment
In unorganic glass, there are three types of existence forms for silver, i.e., are followed successively by silver ion (Ag according to size is ascending+), silver
Quantum cluster ([Agm]n+) and silver nano-grain.[Agm]n+With certain charge, by several to dozens of atoms (Ag0)/ion
(Ag+) composition, there is the low degree of polymerization, it is small-sized (Subnano-class).Silver nano-grain is all by Ag0Atomic building, scale exist
Nanoscale, has the high degree of polymerization, and size is larger (nanoscale).Green white fluorescence silver of the present invention based on non-bridging oxygen coordination
Need to inhibit the formation of nano silver in the cluster doped fluorphosphate glass of quantum, this is primarily due to have in visible light wave range strong
Strong surface plasma body resonant vibration (SPR) sink effect, does not generate any fluorescent emission.In order to be given birth in large quantities in glass matrix
At [Agm]n+, it is necessary to Ag+Ag should be partly reduced into0, while also to inhibit Ag+It is completely reduced into Ag0.Due to Ag+
It is easier to be reduced Ag in unorganic glass network0, therefore, we introduce appropriate Sn in the present invention4+Come part as oxidant
It is Ag that silver is stablized on ground+, while the Ag concentration for regulating and controlling doping regulates and controls [Ag by solubility strategym]n+Degree of polymerization m value, utilize
The zinc oxygen tetrahedron [ZnO of non-charge balance4] or phosphorus oxygen tetrahedron [PO with non-bridging oxygen4] pass through [Agm]n+It is mended as charge
The strategy of agent is repaid to regulate and control [Agm]n+Charge number n value.
The present invention is using the non-bridging oxygen or non-charge balance cation polyhedron and [Ag in unorganic glass networkm]n+Quantum
Cluster forms similar complex structure, not only can effectively stable [Agm]n+Quantum cluster, moreover it is possible to improve such fluorescent material
High-temperature stability and dimensional homogeneity.
Glass of the present invention has visible light wave range wide range high-efficiency fluorescence characteristic and good physical and chemical stability, can make
Flakiness is applied to modulation solar spectrum to improve solar battery energy conversion efficiency, or cooperation UV LED chip as glimmering
Light conversion layer is applied to White-light LED illumination.
Embodiment 1
By composition 38.4ZnF2-40P2O5-10SnO2-10In2O3- 1.6Ag (mol%), weighs ZnF2、H3PO4、SnO2、
In2O3And AgNO3Powder raw material.By ZnF2、H3PO4And AgNO3Raw material powder is uniformly mixed in the agate mortar, is placed in corundum earthenware
It in crucible, is melted 45 minutes at 1150 DEG C in air atmosphere, glass melt is poured into molding in copper-made mould and obtains glass blocks
Material is then crushed simultaneously grind into powder with agate mortar.By glass powder and SnO2、In2O3Powder raw material is in agate mortar
In be uniformly mixed, be placed in corundum crucible, in air atmosphere at 1000 DEG C be melted 45 minutes, glass melt is poured into copper
Die for molding obtains glass bulk, and through flat surface grinding, polishing, transparent glass sheet is made.
As shown in Figure 1, XRD analysis shows that glass sample is amorphous phase.By transmission electron microscope, Absorption and fluorescence spectrum
It tests and the sub- cluster of silver content present in glass can be detected.Glass transmission electron microscope photo as shown in Figure 2 is visible: in glass uniformly
The sub- cluster of silver content of a large amount of Subnano-class is distributed with.Abosrption spectrogram as shown in Figure 3 is visible: the sub- cluster of fluorescence silver content in glass
Central absorption wavelength be 320nm position at have absorption peak.Fluorescence spectrum is visible as shown in Figure 4: fluorescence silver content in glass
Cluster has the wide range excitation band in ultraviolet band (240-400nm), and central wavelength is located at 320nm；Fluorescence silver content in glass
There is cluster the central wavelength emitted in the wide range transmitting band of visible waveband (380-800) to be located at 480nm.Utilize integrating sphere and glimmering
Light spectrum test, the fluorescence quantum efficiency for the present embodiment sample tested is 90.2%, therefore the embodiment of the present invention is glimmering
The cluster doped glass of light silver content has the characteristic that ultraviolet photon is efficiently converted into optical photon in compared with broadband.Due to this
Invention glass all components are inorganic matter, so good physical and chemical stability and thermal stability, can laminate and answer
Solar battery energy conversion efficiency, or cooperation UV LED chip are improved for modulating solar spectrum as fluorescence conversion layer
Applied to White-light LED illumination.
Embodiment 2
By composition 29.9ZnF2-55P2O5-10SnO2-5In2O3- 0.1Ag (mol%), weighs ZnF2、H3PO4、SnO2、
In2O3And AgNO3Powder raw material.By ZnF2、H3PO4And AgNO3Raw material powder is uniformly mixed in the agate mortar, is placed in corundum earthenware
It in crucible, is melted 30 minutes at 1150 DEG C in air atmosphere, glass melt is poured into molding in copper-made mould and obtains glass blocks
Material is then crushed simultaneously grind into powder with agate mortar.By glass powder and SnO2、In2O3Powder raw material is in agate mortar
In be uniformly mixed, be placed in corundum crucible, in air atmosphere at 1000 DEG C be melted 30 minutes, glass melt is poured into copper
Die for molding obtains glass bulk, and through flat surface grinding, polishing, transparent glass sheet is made.
XRD analysis shows that glass sample is amorphous phase.Glass transmission electron microscope photo is visible: being evenly distributed in glass big
Measure the sub- cluster of silver content of Subnano-class.Abosrption spectrogram is visible: the central absorption wavelength of the sub- cluster of fluorescence silver content is in glass
There is absorption peak at the position of 320nm.Fluorescence spectrum is visible: the sub- cluster of fluorescence silver content has in ultraviolet band (240- in glass
Wide range excitation band 400nm), central wavelength are located at 320nm；The sub- cluster of fluorescence silver content has in visible waveband (380- in glass
800) central wavelength of wide range transmitting band transmitting is located at 480nm.It is tested using integrating sphere and fluorescence spectrum, the sheet tested
The fluorescence quantum efficiency of embodiment sample is 72.6%, therefore the cluster doped glass of fluorescence silver content of the embodiment of the present invention has
Ultraviolet photon is efficiently converted into the characteristic of optical photon in compared with broadband.Since glass all components of the present invention are inorganic
Object, so good physical and chemical stability and thermal stability, can laminate and be applied to modulation solar spectrum to improve too
Positive energy cell power conversion efficiency, or cooperation UV LED chip are applied to White-light LED illumination as fluorescence conversion layer.
Embodiment 3
By composition 55ZnF2-32P2O5-5SnO2-5In2O3- 3Ag (mol%), weighs ZnF2、H3PO4、SnO2、In2O3With
AgNO3Powder raw material.By ZnF2、H3PO4And AgNO3Raw material powder is uniformly mixed in the agate mortar, is placed in corundum crucible,
It is melted 60 minutes at 1250 DEG C in air atmosphere, glass melt is poured into molding in copper-made mould and obtains glass bulk, then
Simultaneously grind into powder is crushed with agate mortar.By glass powder and SnO2、In2O3Powder raw material mixes in the agate mortar
Uniformly, it is placed in corundum crucible, is melted 60 minutes at 1100 DEG C in air atmosphere, glass melt is poured into copper-made mould
Molding obtains glass bulk, and through flat surface grinding, polishing, transparent glass sheet is made.
XRD analysis shows that glass sample is amorphous phase.Glass transmission electron microscope photo is visible: being evenly distributed in glass big
Measure the sub- cluster of silver content of Subnano-class.Abosrption spectrogram is visible: the central absorption wavelength of the sub- cluster of fluorescence silver content is in glass
There is absorption peak at the position of 320nm.Fluorescence spectrum is visible: the sub- cluster of fluorescence silver content has in ultraviolet band (240- in glass
Wide range excitation band 400nm), central wavelength are located at 320nm；The sub- cluster of fluorescence silver content has in visible waveband (380- in glass
800) central wavelength of wide range transmitting band transmitting is located at 480nm.It is tested using integrating sphere and fluorescence spectrum, the sheet tested
The fluorescence quantum efficiency of embodiment sample is 70.1%, therefore the cluster doped glass of fluorescence silver content of the embodiment of the present invention has
Ultraviolet photon is efficiently converted into the characteristic of optical photon in compared with broadband.Since glass all components of the present invention are inorganic
Object, so good physical and chemical stability and thermal stability, can laminate and be applied to modulation solar spectrum to improve too
Positive energy cell power conversion efficiency, or cooperation UV LED chip are applied to White-light LED illumination as fluorescence conversion layer.
Embodiment 4
By composition 53.5ZnF2-25P2O5-10SnO2-10In2O3- 1.5Ag (mol%), weighs ZnF2、H3PO4、SnO2、
In2O3And AgNO3Powder raw material.By ZnF2、H3PO4And AgNO3Raw material powder is uniformly mixed in the agate mortar, is placed in corundum earthenware
It in crucible, is melted 60 minutes at 1200 DEG C in air atmosphere, glass melt is poured into molding in copper-made mould and obtains glass blocks
Material is then crushed simultaneously grind into powder with agate mortar.By glass powder and SnO2、In2O3Powder raw material is in agate mortar
In be uniformly mixed, be placed in corundum crucible, in air atmosphere at 1050 DEG C be melted 60 minutes, glass melt is poured into copper
Die for molding obtains glass bulk, and through flat surface grinding, polishing, transparent glass sheet is made.
XRD analysis shows that glass sample is amorphous phase.Glass transmission electron microscope photo is visible: being evenly distributed in glass big
Measure the sub- cluster of silver content of Subnano-class.Abosrption spectrogram is visible: the central absorption wavelength of the sub- cluster of fluorescence silver content is in glass
There is absorption peak at the position of 320nm.Fluorescence spectrum is visible: the sub- cluster of fluorescence silver content has in ultraviolet band (240- in glass
Wide range excitation band 400nm), central wavelength are located at 320nm；The sub- cluster of fluorescence silver content has in visible waveband (380- in glass
800) central wavelength of wide range transmitting band transmitting is located at 480nm.It is tested using integrating sphere and fluorescence spectrum, the sheet tested
The fluorescence quantum efficiency of embodiment sample is 87.4%, therefore the cluster doped glass of fluorescence silver content of the embodiment of the present invention has
Ultraviolet photon is efficiently converted into the characteristic of optical photon in compared with broadband.Since glass all components of the present invention are inorganic
Object, so good physical and chemical stability and thermal stability, can laminate and be applied to modulation solar spectrum to improve too
Positive energy cell power conversion efficiency, or cooperation UV LED chip are applied to White-light LED illumination as fluorescence conversion layer.
Embodiment 5
By composition 30ZnF2-50P2O5-10SnO2-9.6In2O3- 0.4Ag (mol%), weighs ZnF2、H3PO4、SnO2、
In2O3And AgNO3Powder raw material.By ZnF2、H3PO4And AgNO3Raw material powder is uniformly mixed in the agate mortar, is placed in corundum earthenware
It in crucible, is melted 45 minutes at 1150 DEG C in air atmosphere, glass melt is poured into molding in copper-made mould and obtains glass blocks
Material is then crushed simultaneously grind into powder with agate mortar.By glass powder and SnO2、In2O3Powder raw material is in agate mortar
In be uniformly mixed, be placed in corundum crucible, in air atmosphere at 1050 DEG C be melted 45 minutes, glass melt is poured into copper
Die for molding obtains glass bulk, and through flat surface grinding, polishing, transparent glass sheet is made.
XRD analysis shows that glass sample is amorphous phase.Glass transmission electron microscope photo is visible: being evenly distributed in glass big
Measure the sub- cluster of silver content of Subnano-class.Abosrption spectrogram is visible: the central absorption wavelength of the sub- cluster of fluorescence silver content is in glass
There is absorption peak at the position of 320nm.Fluorescence spectrum is visible: the sub- cluster of fluorescence silver content has in ultraviolet band (240- in glass
Wide range excitation band 400nm), central wavelength are located at 320nm；The sub- cluster of fluorescence silver content has in visible waveband (380- in glass
800) central wavelength of wide range transmitting band transmitting is located at 480nm.It is tested using integrating sphere and fluorescence spectrum, the sheet tested
The fluorescence quantum efficiency of embodiment sample is 78.6%, therefore the cluster doped glass of fluorescence silver content of the embodiment of the present invention has
Ultraviolet photon is efficiently converted into the characteristic of optical photon in compared with broadband.Since glass all components of the present invention are inorganic
Object, so good physical and chemical stability and thermal stability, can laminate and be applied to modulation solar spectrum to improve too
Positive energy cell power conversion efficiency, or cooperation UV LED chip are applied to White-light LED illumination as fluorescence conversion layer.
Embodiment 6
By composition 40ZnF2-40P2O5-8SnO2-10In2O3- 2Ag (mol%), weighs ZnF2、H3PO4、SnO2、In2O3With
AgNO3Powder raw material.By ZnF2、H3PO4And AgNO3Raw material powder is uniformly mixed in the agate mortar, is placed in corundum crucible,
It is melted 60 minutes at 1200 DEG C in air atmosphere, glass melt is poured into molding in copper-made mould and obtains glass bulk, then
Simultaneously grind into powder is crushed with agate mortar.By glass powder and SnO2、In2O3Powder raw material mixes in the agate mortar
Uniformly, it is placed in corundum crucible, is melted 45 minutes at 1100 DEG C in air atmosphere, glass melt is poured into copper-made mould
Molding obtains glass bulk, and through flat surface grinding, polishing, transparent glass sheet is made.
XRD analysis shows that glass sample is amorphous phase.Glass transmission electron microscope photo is visible: being evenly distributed in glass big
Measure the sub- cluster of silver content of Subnano-class.Abosrption spectrogram is visible: the central absorption wavelength of the sub- cluster of fluorescence silver content is in glass
There is absorption peak at the position of 320nm.Fluorescence spectrum is visible: the sub- cluster of fluorescence silver content has in ultraviolet band (240- in glass
Wide range excitation band 400nm), central wavelength are located at 320nm；The sub- cluster of fluorescence silver content has in visible waveband (380- in glass
800) central wavelength of wide range transmitting band transmitting is located at 480nm.It is tested using integrating sphere and fluorescence spectrum, the sheet tested
The fluorescence quantum efficiency of embodiment sample is 74.5%, therefore the cluster doped glass of fluorescence silver content of the embodiment of the present invention has
Ultraviolet photon is efficiently converted into the characteristic of optical photon in compared with broadband.Since glass all components of the present invention are inorganic
Object, so good physical and chemical stability and thermal stability, can laminate and be applied to modulation solar spectrum to improve too
Positive energy cell power conversion efficiency, or cooperation UV LED chip are applied to White-light LED illumination as fluorescence conversion layer.
Embodiment 7
By composition 38.8ZnF2-45P2O5-10SnO2-5In2O3- 1.2Ag (mol%), weighs ZnF2、H3PO4、SnO2、
In2O3And AgNO3Powder raw material.By ZnF2、H3PO4And AgNO3Raw material powder is uniformly mixed in the agate mortar, is placed in corundum earthenware
It in crucible, is melted 45 minutes at 1200 DEG C in air atmosphere, glass melt is poured into molding in copper-made mould and obtains glass blocks
Material is then crushed simultaneously grind into powder with agate mortar.By glass powder and SnO2、In2O3Powder raw material is in agate mortar
In be uniformly mixed, be placed in corundum crucible, in air atmosphere at 1100 DEG C be melted 45 minutes, glass melt is poured into copper
Die for molding obtains glass bulk, and through flat surface grinding, polishing, transparent glass sheet is made.
XRD analysis shows that glass sample is amorphous phase.Glass transmission electron microscope photo is visible: being evenly distributed in glass big
Measure the sub- cluster of silver content of Subnano-class.Abosrption spectrogram is visible: the central absorption wavelength of the sub- cluster of fluorescence silver content is in glass
There is absorption peak at the position of 320nm.Fluorescence spectrum is visible: the sub- cluster of fluorescence silver content has in ultraviolet band (240- in glass
Wide range excitation band 400nm), central wavelength are located at 320nm；The sub- cluster of fluorescence silver content has in visible waveband (380- in glass
800) central wavelength of wide range transmitting band transmitting is located at 480nm.It is tested using integrating sphere and fluorescence spectrum, the sheet tested
The fluorescence quantum efficiency of embodiment sample is 86.7%, therefore the cluster doped glass of fluorescence silver content of the embodiment of the present invention has
Ultraviolet photon is efficiently converted into the characteristic of optical photon in compared with broadband.Since glass all components of the present invention are inorganic
Object, so good physical and chemical stability and thermal stability, can laminate and be applied to modulation solar spectrum to improve too
Positive energy cell power conversion efficiency, or cooperation UV LED chip are applied to White-light LED illumination as fluorescence conversion layer.
Above-described embodiment is used to illustrate the present invention, rather than limits the invention, in spirit of the invention and
In scope of protection of the claims, to any modifications and changes that the present invention makes, protection scope of the present invention is both fallen within.
Claims (2)
1. a kind of cluster doped fluorphosphate glass of green white fluorescence silver content based on non-bridging oxygen coordination, which is characterized in that massage
That percentages have following composition:
2. a kind of system of the cluster doped fluorphosphate glass of green white fluorescence silver content described in claim 1 based on non-bridging oxygen coordination
Preparation Method, which comprises the following steps:
(1) by ZnF2、H3PO4、SnO2、In2O3And AgNO3Powder raw material is by mole materials.
(2) by ZnF2、H3PO4And AgNO3Powder raw material is uniformly mixed, and is melted about at 1150~1250 DEG C in air atmosphere
0.5~1 hour, die for molding is poured into, obtains glass bulk, is then crushed simultaneously grind into powder.
(3) by powder made from step 2 and the weighed SnO of step 12、In2O3Powder raw material be uniformly mixed, in air atmosphere in
It is melted about 0.5~1 hour at 1000~1100 DEG C, pours into die for molding and obtain glass bulk.
(4) transparent glass sheet is made through flat surface grinding, polishing in glass bulk made from step 3.
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| CN111018348A (en) * | 2019-12-26 | 2020-04-17 | 浙江大学 | Multicolor silver quantum cluster doped multiphase fluorescent glass and preparation method thereof |
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| KR20120104818A (en) * | 2011-03-14 | 2012-09-24 | 포항공과대학교 산학협력단 | Fabrication method of silicate glass including lead sulfide quantum dots containing silver nano-particle |
| CN105236750A (en) * | 2015-07-20 | 2016-01-13 | 桂林电子科技大学 | Rare earth-doped white-light fluorescent phosphate glass ceramics material and preparation method thereof |
| CN105906215A (en) * | 2016-04-05 | 2016-08-31 | 温州大学 | Highly transparent quantum dot glass containing silver nanoparticles and preparation method thereof |
| CN105906205A (en) * | 2016-04-13 | 2016-08-31 | 同济大学 | Luminescent glass used for controllable precipitation of ML-Ag cluster and Ag nanocrystals through rare earth compound codoping, and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111018348A (en) * | 2019-12-26 | 2020-04-17 | 浙江大学 | Multicolor silver quantum cluster doped multiphase fluorescent glass and preparation method thereof |
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