CN104692660A - Preparation method of cadmium selenide quantum dot glass - Google Patents

Preparation method of cadmium selenide quantum dot glass Download PDF

Info

Publication number
CN104692660A
CN104692660A CN201510089608.0A CN201510089608A CN104692660A CN 104692660 A CN104692660 A CN 104692660A CN 201510089608 A CN201510089608 A CN 201510089608A CN 104692660 A CN104692660 A CN 104692660A
Authority
CN
China
Prior art keywords
glass
cadmium sulfoselenide
quantum dot
cadmium
sulfoselenide
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.)
Granted
Application number
CN201510089608.0A
Other languages
Chinese (zh)
Other versions
CN104692660B (en
Inventor
李宏
陈方祎
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.)
Wuhan University of Technology WUT
Original Assignee
Wuhan University of Technology WUT
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 Wuhan University of Technology WUT filed Critical Wuhan University of Technology WUT
Priority to CN201510089608.0A priority Critical patent/CN104692660B/en
Publication of CN104692660A publication Critical patent/CN104692660A/en
Application granted granted Critical
Publication of CN104692660B publication Critical patent/CN104692660B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Glass Compositions (AREA)

Abstract

The invention relates to a preparation method of cadmium selenide quantum dot glass, and the preparation method is characterized by comprising the following steps of 1) preparing cadmium selenide colored glass, and 2) preparing the cadmium selenide quantum dot glass, wherein in the step 2), the prepared cadmium selenide colored glass is subjected to heat treatment, and the cadmium selenide quantum dot glass different in quantum dot size and distribution is obtained under different heat treatment systems within the range of 580-670 DEG C. According to the preparation method, the appropriate heat treatment system is adopted and cadmium selenide is controlled to grow to the range of the quantum spot size. By virtue of the preparation method of the cadmium selenide quantum dot glass, a good solution is provided for a cadmium selenide quantum dot glass preparation technique and a quantum spot controllable crystallization technique, and a novel solution is provided for improving the luminescence property of the existing white-light LED (Light-emitting Diode) and improving the frequency spectrum conversion efficiency of a solar cell.

Description

A kind of method preparing cadmium sulfoselenide Quantum Dot Glass
Technical field
The present invention relates to coloured glass and Quantum Dot Glass preparation field, be specifically related to a kind of method preparing cadmium sulfoselenide Quantum Dot Glass.
Background technology
White light LEDs is 21 century the most promising electric light source, be a class can be directly the light emitting semiconductor device of visible ray by electric energy conversion.Mostly commercialization white light LEDs is to utilize diode blue light-emitting in the market, produces gold-tinted, then is combined into white light, and encapsulate with epoxy resin by blue-light excited fluorescent material.Have that fluorescent material is aging in actual applications, the problem such as brightness decline, epoxy resin heat conduction are poor, weather stain, and driving voltage and fluorescent material thickness comparatively large on glow color impact, had a strong impact on luminescent properties and the work-ing life of white light LEDs.
Quantum dot is as the state-of-the art fluorescent material of one, and its maximum advantage is Color tunable.The monochromatic ray of quanta point material by regulating dimensional change to produce different colours of single kind.In addition, it also has exciting light spectrum width and continuous distribution, and emmission spectrum monochromaticity is good, stability high.CdS xse 1-xquantum dot can produce the light from yellow to red colour system train wave section, and due to the snappiness of glass basis network internal key, and glass is easy to preparation, so glass is very desirable semiconductor-quantum-point body material.Therefore, carry out alternative yellow fluorescent powder by cadmium sulfoselenide Quantum Dot Glass to realize white light emission and as spectral conversion material, for the improvement luminescent properties of white light LEDs and the efficiency of conversion of solar cell, all there is very large Practical significance.
For this reason, the method preparing cadmium sulfoselenide Quantum Dot Glass provided by the invention is that the acquisition of cadmium sulfoselenide Quantum Dot Glass technology of preparing and quantum dot controlled crystallization technology provides good solution, and the spectral conversion efficiency also for improving existing white light LEDs luminescent properties and raising solar cell provides new solution route.
Do not retrieve the patent identical with a kind of method preparing cadmium sulfoselenide Quantum Dot Glass.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of method preparing cadmium sulfoselenide Quantum Dot Glass, the method can obtain cadmium sulfoselenide Quantum Dot Glass.
The present invention solves its technical problem and adopts following technical scheme:
Prepare a method for cadmium sulfoselenide Quantum Dot Glass, it is characterized in that comprising the following steps:
1) cadmium sulfoselenide coloured glass is prepared:
1. by B 2o 3, SiO 2, Al 2o 3, Na 3alF 6, CaO and R 2o, as raw material, mixes a small amount of zinc powder (Zn:1%-3%), wherein B 2o 3by H 3bO 3introduce, R 2o is by R 2cO 3introduce, CaO is by CaCO 3introduce, shared by each component, mass percent is: SiO 2: 55.5-68.5%, R 2o:15-25%, B 2o 3: 2%-6%, Al 2o 3: 0.5-3%, Na 3alF 6: 0.5-4%, CaO:0.5-3.5%, Zn:1%-3%, mass percent sum shared by each component is 100%; Described R 2o refers to Li 2o, Na 2o, K 2a kind of or several mixing by any proportioning arbitrarily arbitrarily in O;
2. the H will taken 3bO 3, SiO 2, Al 2o 3, R 2cO 3, Zn, Na 3alF 6, CaCO 3raw material fully grinds in ceramic mortar, mixes, and then crosses 60 mesh sieves, forms host glass material;
3. cadmium sulfoselenide pre-treatment material
The component of cadmium sulfoselenide pre-treatment material comprises CdS, Se and ZnO, and the add-on of CdS is the 1-2% of host glass material quality, and the add-on of Se is the 0.2-0.7% of host glass material quality, and the add-on of ZnO is the 5-15% of host glass material quality;
CdS, Se and ZnO raw material taken fully is ground in ceramic mortar, mixes rear mistake 60 mesh sieve, pour crucible into, take out after 0.5-2 hour 300-400 DEG C of insulation, obtain cadmium sulfoselenide pre-treatment material;
4. host glass material and cadmium sulfoselenide pre-treatment material are all poured in ceramic mortar and fully grind, crucible is poured into after mixing, at 700-1000 DEG C, crucible is put into kiln, be warmed up to 1200 DEG C-1350 DEG C insulations discharging in 0.5-2 hour, glass metal is poured in heat-resisting die shaping, and to send in retort furnace in 400-500 DEG C of annealing 0.5-1.5 hour, cool to room temperature with the furnace, obtain block cadmium sulfoselenide coloured glass;
2) cadmium sulfoselenide Quantum Dot Glass is prepared:
By the cadmium sulfoselenide coloured glass prepared, heat-treat under the different heat treatment system within the scope of 580 DEG C-670 DEG C, obtain cadmium sulfoselenide Quantum Dot Glass (obtaining the cadmium sulfoselenide Quantum Dot Glass that quantum dot size is different with distribution).
Described step 1) 1. in H 3bO 3introduction volume should consider the volatile quantity of its 10% (quality).
Described step 2) in heat treating regime: thermal treatment temp is 580 DEG C-670 DEG C, and soaking time is 4h.
Described step 2) in heat treating regime: thermal treatment temp is 610 DEG C, and soaking time is 2h-8h.
The present invention compared with prior art, there is following main advantage: devise suitable matrix glass composition, optimize the melting technology of glass, the cadmium sulphoselenide glass of colour stable can be obtained, rational heat treating regime is devised, to prepare cadmium sulfoselenide Quantum Dot Glass according to DTA test result.The quanta point material of the single kind monochromatic ray by regulating dimensional change to produce different colours, exciting light spectrum width and continuous distribution, emmission spectrum monochromaticity is good, and stability is high.CdS xse 1-xquantum dot can produce the light from yellow to red colour system train wave section, all has very large Practical significance for the improvement luminescent properties of white light LEDs and the efficiency of conversion of solar cell.
Accompanying drawing explanation
Fig. 1 is differential thermal analysis (DTA) figure of cadmium sulfoselenide coloured glass in the embodiment of the present invention.
Fig. 2 is cadmium sulfoselenide Quantum Dot Glass transmission electron microscope (TEM) collection of illustrative plates (collection of illustrative plates of the TEM of 580 DEG C of-4h glass) in the embodiment of the present invention 1; Wherein, a is collection of illustrative plates under 50nm scale, and b is collection of illustrative plates under 20nm scale, and c is collection of illustrative plates under 5nm scale, and d is lattice image collection of illustrative plates under 5nm scale.
Fig. 3 a, Fig. 3 b and Fig. 3 c are cadmium sulfoselenide Quantum Dot Glass TEM electronic energy spectrum in the embodiment of the present invention 1 (580 DEG C of-4h power spectrums and data analysis).
Fig. 4 is cadmium sulfoselenide Quantum Dot Glass TEM collection of illustrative plates (collection of illustrative plates of the TEM of 610 DEG C of-4h glass) in the embodiment of the present invention 2; Wherein, a is collection of illustrative plates under 50nm scale, and b is collection of illustrative plates under 20nm scale, and c is collection of illustrative plates under 5nm scale, and d is lattice image collection of illustrative plates under 5nm scale.
Fig. 5 a, Fig. 5 b, Fig. 5 c are cadmium sulfoselenide Quantum Dot Glass TEM electronic energy spectrum (power spectrum of 610 DEG C of-4h and data analysis) in the embodiment of the present invention 2.
Fig. 6 is cadmium sulfoselenide Quantum Dot Glass TEM collection of illustrative plates (collection of illustrative plates of the TEM of 640 DEG C of-4h glass) in the embodiment of the present invention 3; Wherein, a is collection of illustrative plates under 50nm scale, and b is collection of illustrative plates under 20nm scale, and c is collection of illustrative plates under 5nm scale, and d is lattice image collection of illustrative plates under 5nm scale.
Fig. 7 a, Fig. 7 b, Fig. 7 c are cadmium sulfoselenide Quantum Dot Glass TEM electronic energy spectrum (power spectrum of 640 DEG C of-4h and data analysis) in the embodiment of the present invention 3.
Fig. 8 is cadmium sulfoselenide Quantum Dot Glass TEM collection of illustrative plates (collection of illustrative plates of the TEM of 670 DEG C of-4h glass) in the embodiment of the present invention 4; Wherein, a is collection of illustrative plates under 50nm scale, and b is collection of illustrative plates under 20nm scale, and c is collection of illustrative plates under 5nm scale, and d is lattice image collection of illustrative plates under 5nm scale.
Fig. 9 a, Fig. 9 b, Fig. 9 c are cadmium sulfoselenide Quantum Dot Glass TEM electronic energy spectrum (power spectrum of 670 DEG C of-4h and data analysis) in the embodiment of the present invention 4.
Figure 10 is cadmium sulfoselenide Quantum Dot Glass TEM collection of illustrative plates (collection of illustrative plates of the TEM of 610 DEG C of-2h glass) in the embodiment of the present invention 5; Wherein, a is collection of illustrative plates under 50nm scale, and b is collection of illustrative plates under 20nm scale, and c is collection of illustrative plates under 5nm scale, and d is lattice image collection of illustrative plates under 5nm scale.
Figure 11 a, Figure 11 b, Figure 11 c are cadmium sulfoselenide Quantum Dot Glass TEM electronic energy spectrum (power spectrum of 610 DEG C of-2h and data analysis) in the embodiment of the present invention 5.
Figure 12 is cadmium sulfoselenide Quantum Dot Glass TEM collection of illustrative plates (collection of illustrative plates of the TEM of 610 DEG C of-6h glass) in the embodiment of the present invention 6; Wherein, a is collection of illustrative plates under 50nm scale, and b is collection of illustrative plates under 20nm scale, and c is collection of illustrative plates under 5nm scale, and d is lattice image collection of illustrative plates under 5nm scale.
Figure 13 a, Figure 13 b and Figure 13 c are cadmium sulfoselenide Quantum Dot Glass TEM electronic energy spectrum (power spectrum of 610 DEG C of-6h and data analysis) in the embodiment of the present invention 6.
Figure 14 is cadmium sulfoselenide Quantum Dot Glass TEM collection of illustrative plates (collection of illustrative plates of the TEM of 610 DEG C of-8h glass) in the embodiment of the present invention 7; Wherein, a is collection of illustrative plates under 50nm scale, and b is collection of illustrative plates under 20nm scale, and c is collection of illustrative plates under 5nm scale, and d is lattice image collection of illustrative plates under 5nm scale.
Figure 15 a, Figure 15 b and Figure 15 c are cadmium sulfoselenide Quantum Dot Glass TEM electronic energy spectrum (power spectrum of 610 DEG C of-8h and data analysis) in the embodiment of the present invention 7.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the invention will be further described, but be not limited to described content below.
Embodiment 1:
Prepare a method for cadmium sulfoselenide Quantum Dot Glass, comprise the following steps:
(1) cadmium sulfoselenide coloured glass is prepared:
1. by B 2o 3, SiO 2, Al 2o 3, Na 3alF 6, Zn[mixes a small amount of zinc powder (Zn:3%)], CaO and R 2o (is Na 2o, K 2o and Li 2o) as raw material, wherein B 2o 3by H 3bO 3introduce, R 2o is by R 2cO 3introduce (Na 2cO 3, K 2cO 3), CaO is by CaCO 3introduce, mass percent shared by each component for: shared by each component, percentage ratio is: SiO 2: 64%, Na 2o:9%, K 2o:13%, Li 2o:3%, B 2o 3: 2%, Al 2o 3: 1.5%, Na 3alF 6: 1.5%, CaO:3%, Zn:3%;
Wherein step (1) 1. middle H 3bO 3introduction volume should consider the volatile quantity of its 10% (quality);
2. the H will taken 3bO 3, SiO 2, Al 2o 3, Zn, Na 2cO 3, K 2cO 3, CaCO 3raw material fully grinds in ceramic mortar, mixes, and then crosses 60 mesh sieves, forms host glass material;
3. cadmium sulfoselenide pre-treatment material:
The component of cadmium sulfoselenide pre-treatment material comprises CdS, Se and ZnO, and the add-on of the add-on of CdS to be the add-on of 1.5%, Se of host glass material quality be 0.5%, ZnO of host glass material quality is 8% of host glass material quality;
CdS, Se and ZnO raw material taken fully grinds in ceramic mortar, mixes rear mistake 60 mesh sieve, pours crucible into, takes out, obtain cadmium sulfoselenide pre-treatment material 350 DEG C of insulations after 2 hours;
4. host glass material and cadmium sulfoselenide pre-treatment material are all poured in ceramic mortar and fully grind, crucible is poured into after mixing, at 1000 DEG C, crucible is put into kiln, be warmed up to 1250 DEG C of insulations discharging in 2 hours, obtained glass metal, pours in heat-resisting die shaping by glass metal, and sends in retort furnace in 450 DEG C of annealing 1 hour, cool to room temperature with the furnace, obtain block cadmium sulfoselenide coloured glass;
(2) cadmium sulfoselenide Quantum Dot Glass is prepared:
Heat-treated by the cadmium sulfoselenide coloured glass prepared, heat treating regime is 580 DEG C of insulation 4h, obtains cadmium sulfoselenide Quantum Dot Glass.
Fig. 1 is differential thermal analysis (DTA) collection of illustrative plates of cadmium sulfoselenide coloured glass in all embodiments of the present invention, can be determined the thermal treatment temp of glass by this figure.Fig. 2 (a)-(d) for be incubated 4h (580 DEG C of-4h at thermal treatment temp 580 DEG C, TEM figure down together), as can be seen from Fig. 2 (a)-(d), after Overheating Treatment, inside glass quantum dot quantity and size change, the distribution of quantum dot is very extensive, and large quantum dot size reaches 4.0nm.Fig. 3 a, Fig. 3 b, Fig. 3 c are the TEM electronic energy spectrum of 580 DEG C of-4h glass.As can be seen from Fig. 3 a, Fig. 3 b, Fig. 3 c, the content of S, Se, Cd is all very low, composition graphs 2 (d), uses Digital Micrograph software to mark out, calculates spacing of lattice d value for 0.2452nm, contrast PDF card, and Cd 10s 8.13se 1.87material 36.536 ° peak can on, so now define a certain amount of Cd in glass 10s 8.13se 1.87quantum dot.
Embodiment 2:
Prepare a method for cadmium sulfoselenide Quantum Dot Glass, comprise the following steps:
(1) cadmium sulfoselenide coloured glass is prepared:
1. by B 2o 3, SiO 2, Al 2o 3, Na 3alF 6, Zn[mixes a small amount of zinc powder (Zn:3%)], CaO and R 2o (is Na 2o, K 2o and Li 2o) as raw material, wherein B 2o 3by H 3bO 3introduce, R 2o is by R 2cO 3introduce (Na 2cO 3, K 2cO 3), CaO is by CaCO 3introduce, mass percent shared by each component for: shared by each component, percentage ratio is: SiO 2: 64%, Na 2o:9%, K 2o:13%, Li 2o:3%, B 2o 3: 2%, Al 2o 3: 1.5%, Na 3alF 6: 1.5%, CaO:3%, Zn:3%;
Wherein step (1) 1. middle H 3bO 3introduction volume should consider the volatile quantity of its 10% (quality);
2. the H will taken 3bO 3, SiO 2, Al 2o 3, Zn, Na 2cO 3, K 2cO 3, CaCO 3raw material fully grinds in ceramic mortar, mixes, and then crosses 60 mesh sieves, forms host glass material;
3. cadmium sulfoselenide pre-treatment material:
The component of cadmium sulfoselenide pre-treatment material comprises CdS, Se and ZnO, and the add-on of the add-on of CdS to be the add-on of 1.5%, Se of host glass material quality be 0.5%, ZnO of host glass material quality is 8% of host glass material quality;
CdS, Se and ZnO raw material taken fully grinds in ceramic mortar, mixes rear mistake 60 mesh sieve, pours crucible into, takes out, obtain cadmium sulfoselenide pre-treatment material 350 DEG C of insulations after 2 hours;
4. host glass material and cadmium sulfoselenide pre-treatment material are all poured in ceramic mortar and fully grind, crucible is poured into after mixing, at 1000 DEG C, crucible is put into kiln, be warmed up to 1250 DEG C of insulations discharging in 2 hours, obtained glass metal, pours in heat-resisting die shaping by glass metal, and sends in retort furnace in 450 DEG C of annealing 1 hour, cool to room temperature with the furnace, obtain block cadmium sulfoselenide coloured glass;
(2) cadmium sulfoselenide Quantum Dot Glass is prepared:
Heat-treated by the cadmium sulfoselenide coloured glass prepared, heat treating regime is 610 DEG C of insulation 4h, obtains cadmium sulfoselenide Quantum Dot Glass.
Fig. 4 (a)-(d) is the TEM figure under 610 DEG C of-4h thermal treatment, and as can be seen from Fig. 4 (a)-(d), quantum dot continues to grow up, widely distributed, and large quantum dot size reaches 4.6nm.Fig. 5 a, Fig. 5 b, Fig. 5 c are the TEM electronic energy spectrum of 610 DEG C of-4h glass.From the power spectrum of Fig. 5 a, Fig. 5 b, Fig. 5 c, S, Se, Cd have certain content, and composition graphs 4 (d) calculates spacing of lattice d value for 0.2446nm, contrast PDF card, and Cd 10s 8.13se 1.87material 36.536 ° peak can on, so now define a certain amount of Cd in glass 10s 8.13se 1.87quantum dot.
Embodiment 3:
Prepare a method for cadmium sulfoselenide Quantum Dot Glass, comprise the following steps:
(1) cadmium sulfoselenide coloured glass is prepared:
1. by B 2o 3, SiO 2, Al 2o 3, Na 3alF 6, Zn[mixes a small amount of zinc powder (Zn:2%)], CaO and R 2o (is Na 2o) as raw material, wherein B 2o 3by H 3bO 3introduce, R 2o is by R 2cO 3introduce (Na 2cO 3, K 2cO 3), CaO is by CaCO 3introduce, mass percent shared by each component for: shared by each component, percentage ratio is: SiO 2: 66%, Na 2o:20%, B 2o 3: 3%, Al 2o 3: 2.5%, Na 3alF 6: 3%, CaO:3.5%, Zn:2%;
Wherein step (1) 1. middle H 3bO 3introduction volume should consider the volatile quantity of its 10% (quality);
2. the H will taken 3bO 3, SiO 2, Al 2o 3, Zn, Na 2cO 3, K 2cO 3, CaCO 3raw material fully grinds in ceramic mortar, mixes, and then crosses 60 mesh sieves, forms host glass material;
3. cadmium sulfoselenide pre-treatment material:
The component of cadmium sulfoselenide pre-treatment material comprises CdS, Se and ZnO, and the add-on of the add-on of CdS to be the add-on of 1.5%, Se of host glass material quality be 0.5%, ZnO of host glass material quality is 8% of host glass material quality;
CdS, Se and ZnO raw material taken fully grinds in ceramic mortar, mixes rear mistake 60 mesh sieve, pours crucible into, takes out, obtain cadmium sulfoselenide pre-treatment material 350 DEG C of insulations after 2 hours;
4. host glass material and cadmium sulfoselenide pre-treatment material are all poured in ceramic mortar and fully grind, crucible is poured into after mixing, at 1000 DEG C, crucible is put into kiln, be warmed up to 1250 DEG C of insulations discharging in 2 hours, obtained glass metal, pours in heat-resisting die shaping by glass metal, and sends in retort furnace in 450 DEG C of annealing 1 hour, cool to room temperature with the furnace, obtain block cadmium sulfoselenide coloured glass;
(2) cadmium sulfoselenide Quantum Dot Glass is prepared:
Heat-treated by the cadmium sulfoselenide coloured glass prepared, heat treating regime is 640 DEG C of insulation 4h, obtains cadmium sulfoselenide Quantum Dot Glass.
Fig. 6 (a)-(d) is the TEM figure under 640 DEG C of-4h thermal treatment, and as can be seen from Fig. 6 (a)-(d), quantum dot continues to grow up, widely distributed, and large quantum dot size reaches 4.9nm.Fig. 7 a, Fig. 7 b, Fig. 7 c are the TEM electronic energy spectrum of 640 DEG C of-4h glass.From the power spectrum of Fig. 7 a, Fig. 7 b, Fig. 7 c, S, Se, Cd have certain content, and composition graphs 6 (d) calculates spacing of lattice d value for 0.2450nm, contrast PDF card, and Cd 10s 8.13se 1.87material 36.536 ° peak can on, so now define a certain amount of Cd in glass 10s 8.13se 1.87quantum dot.
Embodiment 4:
Prepare a method for cadmium sulfoselenide Quantum Dot Glass, comprise the following steps:
(1) cadmium sulfoselenide coloured glass is prepared:
1. by B 2o 3, SiO 2, Al 2o 3, Na 3alF 6, Zn[mixes a small amount of zinc powder (Zn:2%)], CaO and R 2o (is K 2o) as raw material, wherein B 2o 3by H 3bO 3introduce, R 2o is by R 2cO 3introduce (Na 2cO 3, K 2cO 3), CaO is by CaCO 3introduce, mass percent shared by each component for: shared by each component, percentage ratio is: SiO 2: 66%, K 2o:20%, B 2o 3: 3%, Al 2o 3: 2.5%, Na 3alF 6: 3%, CaO:3.5%, Zn:2%;
Wherein step (1) 1. middle H 3bO 3introduction volume should consider the volatile quantity of its 10% (quality);
2. the H will taken 3bO 3, SiO 2, Al 2o 3, Zn, Na 2cO 3, K 2cO 3, CaCO 3raw material fully grinds in ceramic mortar, mixes, and then crosses 60 mesh sieves, forms host glass material;
3. cadmium sulfoselenide pre-treatment material:
The component of cadmium sulfoselenide pre-treatment material comprises CdS, Se and ZnO, and the add-on of the add-on of CdS to be the add-on of 1.5%, Se of host glass material quality be 0.5%, ZnO of host glass material quality is 8% of host glass material quality;
CdS, Se and ZnO raw material taken fully grinds in ceramic mortar, mixes rear mistake 60 mesh sieve, pours crucible into, takes out, obtain cadmium sulfoselenide pre-treatment material 350 DEG C of insulations after 2 hours;
4. host glass material and cadmium sulfoselenide pre-treatment material are all poured in ceramic mortar and fully grind, crucible is poured into after mixing, at 1000 DEG C, crucible is put into kiln, be warmed up to 1250 DEG C of insulations discharging in 2 hours, obtained glass metal, pours in heat-resisting die shaping by glass metal, and sends in retort furnace in 450 DEG C of annealing 1 hour, cool to room temperature with the furnace, obtain block cadmium sulfoselenide coloured glass;
(2) cadmium sulfoselenide Quantum Dot Glass is prepared:
Heat-treated by the cadmium sulfoselenide coloured glass prepared, heat treating regime is 670 DEG C of insulation 4h, obtains cadmium sulfoselenide Quantum Dot Glass.
Fig. 8 (a)-(d) is the TEM figure under 670 DEG C of-4h thermal treatment, and as can be seen from Fig. 8 (a)-(d), quantum dot continues to grow up, widely distributed, and large quantum dot size reaches 5.8nm.Fig. 9 a, Fig. 9 b, Fig. 9 c are that the TEM of 670 DEG C of-4h glass can spectrogram.From the power spectrum of Fig. 9 a, Fig. 9 b, Fig. 9 c, S, Se, Cd have certain content, and composition graphs 8 (d) calculates spacing of lattice d value for 0.2443nm, contrast PDF card, and Cd 10s 8.13se 1.87material 36.536 ° peak can on, so now define a certain amount of Cd in glass 10s 8.13se 1.87quantum dot.
Embodiment 5:
Prepare a method for cadmium sulfoselenide Quantum Dot Glass, comprise the following steps:
(1) cadmium sulfoselenide coloured glass is prepared:
1. by B 2o 3, SiO 2, Al 2o 3, Na 3alF 6, Zn[mixes a small amount of zinc powder (Zn:2%)], CaO and R 2o (is Li 2o) as raw material, wherein B 2o 3by H 3bO 3introduce, R 2o is by R 2cO 3introduce (Na 2cO 3, K 2cO 3), CaO is by CaCO 3introduce, mass percent shared by each component for: shared by each component, percentage ratio is: SiO 2: 65.5%, Li 2o:20%, B 2o 3: 4%, Al 2o 3: 2%, Na 3alF 6: 3.5%, CaO:3%, Zn:2%;
Wherein step (1) 1. middle H 3bO 3introduction volume should consider the volatile quantity of its 10% (quality);
2. the H will taken 3bO 3, SiO 2, Al 2o 3, Zn, Na 2cO 3, K 2cO 3, CaCO 3raw material fully grinds in ceramic mortar, mixes, and then crosses 60 mesh sieves, forms host glass material;
3. cadmium sulfoselenide pre-treatment material:
The component of cadmium sulfoselenide pre-treatment material comprises CdS, Se and ZnO, and the add-on of the add-on of CdS to be the add-on of 1.5%, Se of host glass material quality be 0.5%, ZnO of host glass material quality is 8% of host glass material quality;
CdS, Se and ZnO raw material taken fully grinds in ceramic mortar, mixes rear mistake 60 mesh sieve, pours crucible into, takes out, obtain cadmium sulfoselenide pre-treatment material 350 DEG C of insulations after 2 hours;
4. host glass material and cadmium sulfoselenide pre-treatment material are all poured in ceramic mortar and fully grind, crucible is poured into after mixing, at 1000 DEG C, crucible is put into kiln, be warmed up to 1250 DEG C of insulations discharging in 2 hours, obtained glass metal, pours in heat-resisting die shaping by glass metal, and sends in retort furnace in 450 DEG C of annealing 1 hour, cool to room temperature with the furnace, obtain block cadmium sulfoselenide coloured glass;
(2) cadmium sulfoselenide Quantum Dot Glass is prepared:
Heat-treated by the cadmium sulfoselenide coloured glass prepared, heat treating regime is 610 DEG C of insulation 2h, obtains cadmium sulfoselenide Quantum Dot Glass.
The sample preparation of soaking time P series glass is done TEM test.Figure 10 (a)-(d) is the TEM figure of 610 DEG C of-2h, as can be seen from Figure 10 (a)-(d), after Overheating Treatment, inside glass quantum dot quantity and size change, the distribution of quantum dot is very extensive, and large quantum dot size arrives 4.3nm.Figure 11 a, Figure 11 b and Figure 11 c are that 610 DEG C of-2h glass TEM can spectrograms, and from the power spectrum of Figure 11 a, Figure 11 b and Figure 11 c, the content of S, Se, Cd is all very low, calculates spacing of lattice d value for 0.2416nm, contrast PDF card in conjunction with Figure 10 (d), and Cd 10s 8.13se 1.87material 36.536 ° peak can on, so now define a certain amount of Cd in glass 10s 8.13se 1.87quantum dot.
Embodiment 6:
Prepare a method for cadmium sulfoselenide Quantum Dot Glass, comprise the following steps:
(1) cadmium sulfoselenide coloured glass is prepared:
1. by B 2o 3, SiO 2, Al 2o 3, Na 3alF 6, Zn[mixes a small amount of zinc powder (Zn:2%)], CaO and R 2o (is Na 2o and K 2o) as raw material, wherein B 2o 3by H 3bO 3introduce, R 2o is by R 2cO 3introduce (Na 2cO 3, K 2cO 3), CaO is by CaCO 3introduce, mass percent shared by each component for: shared by each component, percentage ratio is: SiO 2: 65.5%, Na 2o:10%, K 2o:10%, B 2o 3: 4%, Al 2o 3: 2%, Na 3alF 6: 3.5%, CaO:3%, Zn:2%;
Wherein step (1) 1. middle H 3bO 3introduction volume should consider the volatile quantity of its 10% (quality);
2. the H will taken 3bO 3, SiO 2, Al 2o 3, Zn, Na 2cO 3, K 2cO 3, CaCO 3raw material fully grinds in ceramic mortar, mixes, and then crosses 60 mesh sieves, forms host glass material;
3. cadmium sulfoselenide pre-treatment material:
The component of cadmium sulfoselenide pre-treatment material comprises CdS, Se and ZnO, and the add-on of the add-on of CdS to be the add-on of 1.5%, Se of host glass material quality be 0.5%, ZnO of host glass material quality is 8% of host glass material quality;
CdS, Se and ZnO raw material taken fully grinds in ceramic mortar, mixes rear mistake 60 mesh sieve, pours crucible into, takes out, obtain cadmium sulfoselenide pre-treatment material 350 DEG C of insulations after 2 hours;
4. host glass material and cadmium sulfoselenide pre-treatment material are all poured in ceramic mortar and fully grind, crucible is poured into after mixing, at 1000 DEG C, crucible is put into kiln, be warmed up to 1250 DEG C of insulations discharging in 2 hours, obtained glass metal, pours in heat-resisting die shaping by glass metal, and sends in retort furnace in 450 DEG C of annealing 1 hour, cool to room temperature with the furnace, obtain block cadmium sulfoselenide coloured glass;
(2) cadmium sulfoselenide Quantum Dot Glass is prepared:
Heat-treated by the cadmium sulfoselenide coloured glass prepared, heat treating regime is 610 DEG C of insulation 6h, obtains cadmium sulfoselenide Quantum Dot Glass.
Figure 12 (a)-(d) is the TEM figure of 610 DEG C of-6h, as can be seen from Figure 12 (a)-(d), after Overheating Treatment, inside glass quantum dot quantity and size change, the distribution of quantum dot is very extensive, and constantly growing up, large quantum dot size arrives 4.8nm.Figure 13 a, Figure 13 b and Figure 13 c are that 610 DEG C of-6h glass TEM can spectrograms, and from the power spectrum of Figure 13 a, Figure 13 b and Figure 13 c, the content of S, Se, Cd is all very low, calculates spacing of lattice d value for 0.2424nm, contrast PDF card in conjunction with Figure 12 (d), and Cd 10s 8.13se 1.87material 36.536 ° peak can on, so now define a certain amount of Cd in glass 10s 8.13se 1.87quantum dot.
Embodiment 7:
Prepare a method for cadmium sulfoselenide Quantum Dot Glass, comprise the following steps:
(1) cadmium sulfoselenide coloured glass is prepared:
1. by B 2o 3, SiO 2, Al 2o 3, Na 3alF 6, Zn[mixes a small amount of zinc powder (Zn:2%)], CaO and R 2o (is Na 2o and K 2o) as raw material, wherein B 2o 3by H 3bO 3introduce, R 2o is by R 2cO 3introduce (Na 2cO 3, K 2cO 3), CaO is by CaCO 3introduce, mass percent shared by each component for: shared by each component, percentage ratio is: SiO 2: 62%, Na 2o:10%, K 2o:12.5%, B 2o 3: 5%, Al 2o 3: 2%, Na 3alF 6: 3.5%, CaO:3%, Zn:2%;
Wherein step (1) 1. middle H 3bO 3introduction volume should consider the volatile quantity of its 10% (quality);
2. the H will taken 3bO 3, SiO 2, Al 2o 3, Zn, Na 2cO 3, K 2cO 3, CaCO 3raw material fully grinds in ceramic mortar, mixes, and then crosses 60 mesh sieves, forms host glass material;
3. cadmium sulfoselenide pre-treatment material:
The component of cadmium sulfoselenide pre-treatment material comprises CdS, Se and ZnO, and the add-on of the add-on of CdS to be the add-on of 1.5%, Se of host glass material quality be 0.5%, ZnO of host glass material quality is 8% of host glass material quality;
CdS, Se and ZnO raw material taken fully grinds in ceramic mortar, mixes rear mistake 60 mesh sieve, pours crucible into, takes out, obtain cadmium sulfoselenide pre-treatment material 350 DEG C of insulations after 2 hours;
4. host glass material and cadmium sulfoselenide pre-treatment material are all poured in ceramic mortar and fully grind, crucible is poured into after mixing, at 1000 DEG C, crucible is put into kiln, be warmed up to 1250 DEG C of insulations discharging in 2 hours, obtained glass metal, pours in heat-resisting die shaping by glass metal, and sends in retort furnace in 450 DEG C of annealing 1 hour, cool to room temperature with the furnace, obtain block cadmium sulfoselenide coloured glass;
(2) cadmium sulfoselenide Quantum Dot Glass is prepared:
Heat-treated by the cadmium sulfoselenide coloured glass prepared, heat treating regime is 610 DEG C of insulation 8h, obtains cadmium sulfoselenide Quantum Dot Glass.
Figure 14 (a)-(d) is the TEM figure of 610 DEG C of-8h, as can be seen from Figure 14 (a)-(d), after Overheating Treatment, inside glass quantum dot quantity and size change, the distribution of quantum dot is very extensive, and constantly growing up, large quantum dot size can arrive 5.5nm.Figure 15 a, Figure 15 b and Figure 15 c are that 610 DEG C of-8h glass TEM can spectrograms, and from the power spectrum of Figure 15 a, Figure 15 b and Figure 15 c, the content of S, Se, Cd is all very low, calculates spacing of lattice d value for 0.2086nm, contrast PDF card in conjunction with Figure 14 (d), and Cd 10s 8.13se 1.87material 43.519 ° peak can on, so now define a certain amount of Cd in glass 10s 8.13se 1.87quantum dot.
Embodiment 8:
Prepare a method for cadmium sulfoselenide Quantum Dot Glass, comprise the following steps:
1) cadmium sulfoselenide coloured glass is prepared:
1. by B 2o 3, SiO 2, Al 2o 3, Na 3alF 6, CaO and R 2o, as raw material, mixes a small amount of zinc powder (Zn:3%), wherein B 2o 3by H 3bO 3introduce, R 2o is by Li 2cO 3introduce, CaO is by CaCO 3introduce, shared by each component, mass percent is: SiO 2: 55.5%, R 2o:25%, B 2o 3: 6%, Al 2o 3: 3%, Na 3alF 6: 4%, CaO:3.5%, Zn:3%, described R 2o refers to Li 2o;
Described step 1) 1. in H 3bO 3introduction volume should consider the volatile quantity of its 10% (quality);
2. the H will taken 3bO 3, SiO 2, Al 2o 3, Li 2cO 3, Zn, Na 3alF 6, CaCO 3raw material fully grinds in ceramic mortar, mixes, and then crosses 60 mesh sieves, forms host glass material;
3. cadmium sulfoselenide pre-treatment material
The component of cadmium sulfoselenide pre-treatment material comprises CdS, Se and ZnO, and the add-on of the add-on of CdS to be the add-on of 1%, Se of host glass material quality be 0.2%, ZnO of host glass material quality is 5% of host glass material quality;
CdS, Se and ZnO raw material taken fully is ground in ceramic mortar, mixes rear mistake 60 mesh sieve, pour crucible into, take out after 0.5 hour 300 DEG C of insulations, obtain cadmium sulfoselenide pre-treatment material;
4. host glass material and cadmium sulfoselenide pre-treatment material are all poured in ceramic mortar and fully grind, crucible is poured into after mixing, at 700 DEG C, crucible is put into kiln, be warmed up to 1200 DEG C of insulations discharging in 0.5 hour, glass metal is poured in heat-resisting die shaping, and to send in retort furnace in 400 DEG C of annealing 0.5 hour, cool to room temperature with the furnace, obtain block cadmium sulfoselenide coloured glass;
2) cadmium sulfoselenide Quantum Dot Glass is prepared:
By the cadmium sulfoselenide coloured glass prepared, 580 DEG C, insulation 4h under heat-treat, obtain cadmium sulfoselenide Quantum Dot Glass.
Embodiment 9:
Prepare a method for cadmium sulfoselenide Quantum Dot Glass, comprise the following steps:
1) cadmium sulfoselenide coloured glass is prepared:
1. by B 2o 3, SiO 2, Al 2o 3, Na 3alF 6, CaO and R 2o, as raw material, mixes a small amount of zinc powder (Zn:2.5%), wherein B 2o 3by H 3bO 3introduce, R 2o is by Na 2cO 3introduce, CaO is by CaCO 3introduce, shared by each component, mass percent is: SiO 2: 65%, R 2o:25%, B 2o 3: 6%, Al 2o 3: 0.5%, Na 3alF 6: 0.5%, CaO:0.5%, Zn:2.5%, described R 2o refers to Na 2o;
Described step 1) 1. in H 3bO 3introduction volume should consider the volatile quantity of its 10% (quality);
2. the H will taken 3bO 3, SiO 2, Al 2o 3, Na 2cO 3, Zn, Na 3alF 6, CaCO 3raw material fully grinds in ceramic mortar, mixes, and then crosses 60 mesh sieves, forms host glass material;
3. cadmium sulfoselenide pre-treatment material
The component of cadmium sulfoselenide pre-treatment material comprises CdS, Se and ZnO, and the add-on of the add-on of CdS to be the add-on of 2%, Se of host glass material quality be 0.7%, ZnO of host glass material quality is 15% of host glass material quality;
CdS, Se and ZnO raw material taken fully is ground in ceramic mortar, mixes rear mistake 60 mesh sieve, pour crucible into, take out after 2 hours 400 DEG C of insulations, obtain cadmium sulfoselenide pre-treatment material;
4. host glass material and cadmium sulfoselenide pre-treatment material are all poured in ceramic mortar and fully grind, crucible is poured into after mixing, at 1000 DEG C, crucible is put into kiln, be warmed up to 1350 DEG C of insulations discharging in 2 hours, glass metal is poured in heat-resisting die shaping, and to send in retort furnace in 500 DEG C of annealing 1.5 hours, cool to room temperature with the furnace, obtain block cadmium sulfoselenide coloured glass;
2) cadmium sulfoselenide Quantum Dot Glass is prepared:
By the cadmium sulfoselenide coloured glass prepared, 610 DEG C, insulation heat-treat for 4 times, obtain cadmium sulfoselenide Quantum Dot Glass.
Embodiment 10:
Prepare a method for cadmium sulfoselenide Quantum Dot Glass, it is characterized in that comprising the following steps:
1) cadmium sulfoselenide coloured glass is prepared:
1. by B 2o 3, SiO 2, Al 2o 3, Na 3alF 6, CaO and R 2o, as raw material, mixes a small amount of zinc powder (Zn:1%), wherein B 2o 3by H 3bO 3introduce, R 2o is by R 2cO 3introduce, CaO is by CaCO 3introduce, shared by each component, mass percent is: SiO 2: 68.5%, R 2o:15%, B 2o 3: 6%, Al 2o 3: 2%, Na 3alF 6: 4%, CaO:3.5%, Zn:1%, described R 2o refers to K 2o;
Described step 1) 1. in H 3bO 3introduction volume should consider the volatile quantity of its 10% (quality);
2. the H will taken 3bO 3, SiO 2, Al 2o 3, R 2cO 3, Zn, Na 3alF 6, CaCO 3raw material fully grinds in ceramic mortar, mixes, and then crosses 60 mesh sieves, forms host glass material;
3. cadmium sulfoselenide pre-treatment material
The component of cadmium sulfoselenide pre-treatment material comprises CdS, Se and ZnO, and the add-on of the add-on of CdS to be the add-on of 2%, Se of host glass material quality be 0.2%, ZnO of host glass material quality is 5% of host glass material quality;
CdS, Se and ZnO raw material taken fully is ground in ceramic mortar, mixes rear mistake 60 mesh sieve, pour crucible into, take out after 0.5 hour 400 DEG C of insulations, obtain cadmium sulfoselenide pre-treatment material;
4. host glass material and cadmium sulfoselenide pre-treatment material are all poured in ceramic mortar and fully grind, crucible is poured into after mixing, at 700 DEG C, crucible is put into kiln, be warmed up to 1350 DEG C of insulations discharging in 0.5 hour, glass metal is poured in heat-resisting die shaping, and to send in retort furnace in 500 DEG C of annealing 0.5 hour, cool to room temperature with the furnace, obtain block cadmium sulfoselenide coloured glass;
2) cadmium sulfoselenide Quantum Dot Glass is prepared:
By the cadmium sulfoselenide coloured glass prepared, 670 DEG C, insulation 4h under heat-treat, obtain cadmium sulfoselenide Quantum Dot Glass.
Each raw material cited by the present invention and the bound value of each raw material, and the bound value of each processing parameter, can realize the present invention, not enumerate embodiment at this.

Claims (4)

1. prepare a method for cadmium sulfoselenide Quantum Dot Glass, it is characterized in that comprising the following steps:
1) cadmium sulfoselenide coloured glass is prepared:
1. by B 2o 3, SiO 2, Al 2o 3, Zn, Na 3alF 6, CaO and R 2o as raw material, wherein B 2o 3by H 3bO 3introduce, R 2o is by R 2cO 3introduce, CaO is by CaCO 3introduce, shared by each component, mass percent is: SiO 2: 55.5-68.5%, R 2o:15-25%, B 2o 3: 2%-6%, Al 2o 3: 0.5-3%, Na 3alF 6: 0.5-4%, CaO:0.5-3.5%, Zn:1%-3%, mass percent sum shared by each component is 100%; Described R 2o refers to Li 2o, Na 2o, K 2a kind of or several mixing by any proportioning arbitrarily arbitrarily in O;
2. the H will taken 3bO 3, SiO 2, Al 2o 3, R 2cO 3, Zn, Na 3alF 6, CaCO 3raw material fully grinds in ceramic mortar, mixes, and then crosses 60 mesh sieves, forms host glass material;
3. cadmium sulfoselenide pre-treatment material
The component of cadmium sulfoselenide pre-treatment material comprises CdS, Se and ZnO, and the add-on of CdS is the 1-2% of host glass material quality, and the add-on of Se is the 0.2-0.7% of host glass material quality, and the add-on of ZnO is the 5-15% of host glass material quality;
CdS, Se and ZnO raw material taken fully is ground in ceramic mortar, mixes rear mistake 60 mesh sieve, pour crucible into, take out after 0.5-2 hour 300-400 DEG C of insulation, obtain cadmium sulfoselenide pre-treatment material;
4. host glass material and cadmium sulfoselenide pre-treatment material are all poured in ceramic mortar and fully grind, crucible is poured into after mixing, at 700-1000 DEG C, crucible is put into kiln, be warmed up to 1200 DEG C-1350 DEG C insulations discharging in 0.5-2 hour, glass metal is poured in heat-resisting die shaping, and to send in retort furnace in 400-500 DEG C of annealing 0.5-1.5 hour, cool to room temperature with the furnace, obtain block cadmium sulfoselenide coloured glass;
2) cadmium sulfoselenide Quantum Dot Glass is prepared:
By the cadmium sulfoselenide coloured glass prepared, heat-treat under the different heat treatment system within the scope of 580 DEG C-670 DEG C, obtain cadmium sulfoselenide Quantum Dot Glass.
2. a kind of method preparing cadmium sulfoselenide Quantum Dot Glass according to claim 1, is characterized in that: described step 1) is middle H 1. 3bO 3introduction volume should consider its 10%(quality) volatile quantity.
3. a kind of method preparing cadmium sulfoselenide Quantum Dot Glass according to claim 1, is characterized in that: described step 2) in heat treating regime: thermal treatment temp is 580 DEG C-670 DEG C, and soaking time is 4h.
4. a kind of method preparing cadmium sulfoselenide Quantum Dot Glass according to claim 1, is characterized in that: described step 2) in heat treating regime: thermal treatment temp is 610 DEG C, and soaking time is 2h-8h.
CN201510089608.0A 2015-02-27 2015-02-27 Preparation method of cadmium selenide quantum dot glass Active CN104692660B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510089608.0A CN104692660B (en) 2015-02-27 2015-02-27 Preparation method of cadmium selenide quantum dot glass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510089608.0A CN104692660B (en) 2015-02-27 2015-02-27 Preparation method of cadmium selenide quantum dot glass

Publications (2)

Publication Number Publication Date
CN104692660A true CN104692660A (en) 2015-06-10
CN104692660B CN104692660B (en) 2017-05-17

Family

ID=53340267

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510089608.0A Active CN104692660B (en) 2015-02-27 2015-02-27 Preparation method of cadmium selenide quantum dot glass

Country Status (1)

Country Link
CN (1) CN104692660B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107445481A (en) * 2017-09-08 2017-12-08 蚌埠玻璃工业设计研究院 A kind of anti-blue light high transmission glass and preparation method thereof
CN112028477A (en) * 2020-09-04 2020-12-04 彩虹集团（邵阳）特种玻璃有限公司 Quantum dot luminescent glass and preparation method and application thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140021368A1 (en) * 2012-07-21 2014-01-23 Nanoaxis, Llc Quantum Dot Luminescent Materials
CN103904166A (en) * 2014-04-23 2014-07-02 桂林理工大学 Method for preparing CdSexTey quantum dot optoelectronic film
CN104230167A (en) * 2014-08-28 2014-12-24 华南理工大学 Quantum dot doped glass and preparation method thereof
CN104310784A (en) * 2014-10-17 2015-01-28 东华大学 Quantum dot LED light emitting glass and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140021368A1 (en) * 2012-07-21 2014-01-23 Nanoaxis, Llc Quantum Dot Luminescent Materials
CN103904166A (en) * 2014-04-23 2014-07-02 桂林理工大学 Method for preparing CdSexTey quantum dot optoelectronic film
CN104230167A (en) * 2014-08-28 2014-12-24 华南理工大学 Quantum dot doped glass and preparation method thereof
CN104310784A (en) * 2014-10-17 2015-01-28 东华大学 Quantum dot LED light emitting glass and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
陈方祎: "硫硒化镉量子点微晶玻璃制备及发光性能研究", 《武汉理工大学硕士论文》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107445481A (en) * 2017-09-08 2017-12-08 蚌埠玻璃工业设计研究院 A kind of anti-blue light high transmission glass and preparation method thereof
CN112028477A (en) * 2020-09-04 2020-12-04 彩虹集团（邵阳）特种玻璃有限公司 Quantum dot luminescent glass and preparation method and application thereof

Also Published As

Publication number Publication date
CN104692660B (en) 2017-05-17

Similar Documents

Publication Publication Date Title
CN110194593B (en) Method for promoting crystallization of all-inorganic perovskite quantum dots in glass by adding fluoride
CN102730975B (en) Glass-ceramic and preparation method thereof
CN103936281B (en) A kind of rare earth doped luminescent glass and preparation method thereof
CN109111120B (en) Spontaneous crystallization fluorescent microcrystalline glass for warm white LED and preparation method thereof
CN109592907B (en) Boron bismuthate glass-based Ce: YAG glass ceramic for white light LED and preparation method thereof
CN104529165B (en) Yellow afterglow microcrystalline glass for AC-LED and preparation technology thereof
CN104692658A (en) Method for fixing CdS and Se in borosilicate glass
CN109761498A (en) A kind of KxCs1-xPbBr3Devitrified glass and preparation method thereof
Praveena et al. White light generation from Dy3+-doped yttrium aluminium gallium mixed garnet nano-powders
CN103725285A (en) Single-substrate white-light fluorescent powder for white-light LEDs (light-emitting diodes) and preparation method thereof
CN104692660A (en) Preparation method of cadmium selenide quantum dot glass
US9580650B1 (en) Method of manufacturing Ce:YAG polycrystalline phosphor
CN106865980B (en) A kind of praseodymium doped CdS quantum dot glass and preparation method thereof
CN105347677B (en) A kind of photic white light glass and its preparation technology
CN104163572A (en) Transparent glass ceramic having high efficiency white light emission and preparation method thereof
CN102060442A (en) Preparation method of fluorescent microcrystalline glass for white light-emitting diode (LED)
CN104531144A (en) CaMg<2>Al<16>O<27>:Mn <4+> red fluorescent powder and preparation technology thereof
CN104876441B (en) A kind of Quantum Dot Glass fluorescent material and its preparation method and application
Jose et al. Novel red emitting Phosphor-in-Glass (PiG) based on Na6CaP2O9: Eu3+ phosphor as an inorganic colour converter for w-LED applications
Liu et al. Highly thermally stable single-component warm-white-emitting ZANP glass: Synthesis, luminescence, energy transfer, and color tunability
CN102381841B (en) Yellow green luminescent glass ceramic material and preparation method thereof
CN102092952A (en) Transparent glass ceramic with tunable light emitting colors and preparation technique thereof
CN103602335A (en) Blue fluorescent powder for white light LED and preparation method thereof
CN108558204B (en) Spectrum-adjustable Eu and Dy-doped luminescent glass and preparation method thereof
CN104910916B (en) A kind of glow color adjustable New Phosphorus lime stone structure light-emitting material and application thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant