CN103936300B - Quantum dot-doped aluminium phosphate mesoporous glass nano complex and preparation method thereof - Google Patents
Quantum dot-doped aluminium phosphate mesoporous glass nano complex and preparation method thereof Download PDFInfo
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Abstract
A kind of novel near infrared band broad tuning and PbS quantum AlPO of bimodal luminescence4Mesoporous glass nano complex and preparation method thereof, PbS quantum AlPO4Mesoporous glass nano complex is the AlPO doped with different size PbS quantum4Mesoporous glass.Its preparation process is as follows: one, the PbS quantum solution of two kinds of peak luminous wavelengths of preparation and mixed solution thereof；Two, the AlPO that sol-gal process is prepared4Mesoporous glass single-steeping or be impregnated into the quantum dot solution of step one respectively for twice；Three, the mesoporous glass after dipping is taken out from solution, after rinse, drying, obtains PbS quantum AlPO4Mesoporous glass nano complex.Prove after tested: under the pumping of near infrared light, PbS quantum AlPO4Mesoporous glass nano complex can produce and be positioned at that the broad tuning of near infrared band is luminous or bimodal luminescence, has important application at wide band optical transmission, multiband response light communication material with devices field.
Description
Technical field
The present invention relates to luminous mesoporous glass nano complex, a kind of quantum dot-doped aluminium phosphate mesoporous
Glass nano complex and preparation method thereof.
Background technology
Quantum dot is by the semiconductor nanocrystals of a limited number of atomic building, and its particle diameter is less, typically only has
Several nanometers.Due to quantum confined effect, quantum dot continuous print energy band becomes discrete energy levels structure, can realize being subject to
Excite and penetrate luminescence.Quantum dot has wide absorption spectra and the narrow and luminous spectrum of symmetry, based on quantum size effect,
By regulating and the size of quantum dot size can be controlled and then regulate its glow peak position, it is achieved commaterial
Multicolor luminous.But, quantum dot the most often faces Railway Project:
First, easily reunite.The quantum dot of nano-scale has bigger specific surface area and high surface energy, from
Easily reunited by scattered quantum dot and have a strong impact on its luminescent properties.
Second, in-convenience in use.Quantum dot polydispersion is in organic solvent at present, exists steady in actual use
The fixed difficulty extracted and solidify so that it is the application in optics faces many obstructions.
For the problem run in using, the solidification of quantum dot is a focus of research at present, reports both at home and abroad
All multi layered quantum dots at melten glass, glass powder, filter paper, the solidification in the substrate such as optical fiber and doping luminescence.So
And, it is achieved quantum dot different size of the same race is co-doped with and spectrum assembles and is still a research puzzle and emphasis.Mesoporous
Glass is uniform due to pore distribution, and specific surface area is big, and surface activity is high, and nanoparticle can obtain in glass
Effectively dispersion.Controllably disperse near-infrared luminous quantum dot to be doped in transparent mesoporous glass, it becomes possible to
To having the composite of excellent luminance performance, at the potential that optical communication direction is widely used.
Summary of the invention
It is an object of the invention to provide a kind of near infrared band broad tuning and bimodal luminous PbS quantum doping
AlPO4The preparation method of mesoporous glass nano complex.Use mesoporous AlPO4Glass, as carrier, by one is
The preparation condition regulation of row and different dipping methods, it is achieved at AlPO4Different size PbS quantum in mesoporous glass
The codope of point, obtains the broad tuning (more than half-peak breadth 150nm) of near infrared band and bimodal luminescence.
It is an object of the invention to be achieved through the following technical solutions.
A kind of PbS quantum doping AlPO4Mesoporous glass nano complex, its feature is: described AlPO4
The mesoporous pore size of mesoporous glass is distributed as 2～50nm, and described PbS quantum is aqueous phase quantum point；Amount
Son point particle diameter is not more than 10nm.
Above-mentioned PbS quantum doping AlPO4The preparation method of mesoporous glass nano complex, its feature is,
Comprise the steps:
1. with PbAc, Na2S is presoma, and sulfur is stabilizer for propanol and dithio alcohol, uses Aqueous phase
Prepare fresh PbS quantum solution；
2. taking fresh quantum dot solution lucifuge to seal and ripening in an oven, curing temperature is 4～90 DEG C；Ripe
The change time is 0～4 months, obtains ripening quantum dot solution；
3. described fresh quantum dot solution and ripening quantum dot solution are mixed in proportion, form dipping molten
Liquid, described fresh quantum dot solution and the mixed proportion of ripening quantum dot solution are in the range of 1:0～0:1；
4. by AlPO4Mesoporous glass uses sol-gal process preparation to have high-specific surface area, holes of nano size
The AlPO in road4Mesoporous glass；
5. two step infusion processes or a step infusion process is used to prepare PbS quantum doping AlPO4Mesoporous glass nano is multiple
Compound.
Two described step infusion processes are as follows:
By AlPO4Mesoporous glass is put in described fresh quantum dot solution and is impregnated at least 5 minutes, will leaching
Mesoporous glass after stain takes out from fresh quantum dot solution, with dehydrated alcohol rinse for several times, dried
To PbS quantum-AlPO4Mesoporous glass nano complex M, this complex M is in 100～250 DEG C of vacuum
Bleed at least 30 minutes, place in ripening quantum dot solution and impregnate at least 5 minutes, by Jie after dipping
Hole glass takes out from solution, obtains PbS quantum doping AlPO after rinse, drying4Mesoporous glass is received
Rice complex.
A described step infusion process is as follows:
By AlPO4Mesoporous glass is put in described dipping solution and is impregnated at least 5 minutes, after dipping
Mesoporous glass takes out from solution, with dehydrated alcohol rinse for several times, obtains PbS quantum doping after drying
AlPO4Mesoporous glass nano complex.
The present invention contrasts prior art and has a following innovative point:
1. the present invention is at an i.e. AlPO of novel glass system4Mesoporous glass is successfully realized the doping of quantum dot with
It is co-doped with.Disclose the PbS quantum-AlPO of a kind of near infrared band broad tuning and bimodal luminescence4Mesoporous glass
Glass nano-complex.
2. the present invention is at AlPO4Mesoporous glass is doped with the PbS quantum of two peak luminous wavelengths, discloses
The method that different size is quantum dot-doped, can obtain characteristics of luminescence difference by changing different dipping method
Light-emitting composite: when using two step infusion processes, peak luminous wavelength continuous print two kind PbSs amount is distributed
The complex of son point, under near infrared light excites, produces broad tuning luminous；When using a step infusion process,
The complex of peak luminous wavelength discrete two kind PbS quantum is distributed, under near infrared light excites,
Produce bimodal luminescence.
The present invention contrasts prior art and has a following remarkable advantage:
Preparation method preparation condition the most disclosed in this invention is simple, and method is simple, easy to operate effectively.
2. the invention discloses quantum dot-doped different dipping methods and can obtain the different luminescence of the characteristics of luminescence again
Compound: when using two step infusion processes, is distributed answering of two kinds of PbS quantum of peak luminous wavelength continuous print
Compound, under near infrared light excites, produces broad tuning luminous；When using a step infusion process, it is distributed and sends out
The complex of two kinds of PbS quantum that peak wavelength is discrete, under near infrared light excites, produces bimodal
Luminous.
PbS quantum-AlPO the most disclosed in this invention4Mesoporous glass nano complex is block inorganic material,
Compared with organic polymer and various porous powder material, high temperature resistant, corrosion-resistant, light transmission is good.
Prior art is typically only capable to realize the effective of quantum dot in mesoporous powder body material and micropore, large pore material
Doping, the most reported inlay quantum dot porous silica silicon composite (patent publication No.:
CN102690658A).Powder body material used is limited in the application of optics neighborhood, and light transmission, integrated level are poor,
And this material aperture is big, and quantum dot is easily reunited and grown up, thus affects optical characteristics.The present invention is in monoblock
Transparent aluminium phosphate mesoporous glass on achieve many doping of quantum dot, this complex has excellent printing opacity
Property, optical homogeneity and stability, and easily process, easily coordinate other materials device composition optical system
System, has at fields of light devices and is more widely applied.The silicon oxide micropore glass dipping quantum reported
Point (patent publication No.: CN102770386A), uses hot acid etch to obtain micropore glass, aperture chi
Very little relatively big, the topmost micropore size haveing a problem in that the method obtains is difficult to obtain uniform size control
System, and it is the best to corrode the porous skeleton stability that raw material structure obtains.The aluminum phosphate that the present invention uses
Mesoporous glass mesoporous skeleton is that complete three-dimensional net structure, mechanical stability and heat stability are more preferable.Prominent
The advantage gone out has two aspects, one, and aluminium phosphate mesoporous aperture is little, Stability Analysis of Structures, the quantum of dipping absorption
Point is limited in the hole of nanoscale, limits the growth of quantum dot, improves quantum dot stability.
Its two, aluminium phosphate mesoporous size is controlled, convenient artificial assembles various sizes of quantum dot, thus real
Existing broad tuning, bimodal luminescence.
4. present invention achieves in the broad peak of near infrared band and bimodal luminescence, at same AlPO4In mesoporous glass
It is doped with the PbS quantum of two peak luminous wavelengths.The quanta point optical fiber wideband white light source reported
(right notification number: CN101393299B), the optical fiber being doped with quantum dot has in visible-range
Broad-band illumination, by comparison, the doped substrate of the present invention is the transparent aluminum phosphate glass of monoblock, and real
Show in the ultra broadband of near infrared band and bimodal luminescence, widened quantum dot curing materials near infrared light
Communication, the application of fields of light devices.
Accompanying drawing explanation
Fig. 1 is the complex of embodiment 1～4 preparation luminescent spectrum under wavelength is 808nm excitation；
Fig. 2 is the complex of embodiment 5～12 preparation luminescent spectrum under wavelength is 808nm excitation；
Fig. 3 is the PbS quantum-AlPO of the embodiment of the present invention4Two kinds of dipping method streams of mesoporous glass nano complex
Cheng Tu, (a) is two step infusion processes, and (b) is a step infusion process.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Embodiment 1:
(1) by lead acetate water solution, sulfur for propanol, dithio alcohol mixing and stirring after, ice bath 15min, add
Na2S aqueous solution, stirring is reacted at least 5min, is obtained fresh quantum dot solution；
(2) by AlPO4Mesoporous glass-impregnated is 15min in fresh quantum dot solution, then takes out glass, with anhydrous
It is put in 50 DEG C of baking ovens after ethanol rinse 3～5 times and is dried 30min, obtain single quantum dot-doped PbS
Quantum dot-AlPO4Mesoporous glass nano complex.
This complex produces the unimodal luminescence of near-infrared, peak luminous wavelength 990nm, peak under 808nm laser excitation
Wide 120nm, as shown in Fig. 1 curve a.
Embodiment 2:
(1) by lead acetate water solution, sulfur for propanol, dithio alcohol mixing and stirring after, ice bath 15min, add
Na2S aqueous solution, stirring is reacted at least 5min, is obtained fresh quantum dot solution；
(2) take quantum dot solution lucifuge to seal and at 50 DEG C of ripening 1h, obtain ripening quantum dot solution；
(3) by AlPO4Mesoporous glass-impregnated is 15min in fresh quantum dot solution, then takes out glass, with anhydrous
Be put in 200 DEG C of vacuum drying ovens after ethanol rinse 3～5 times, constant temp. heating process 6h with organics removal and
Water；
(4), after heat treatment terminates, glass is cooled to room temperature with case and takes out, and is immersed in ripening quantum dot solution 15 immediately
Min, then takes out glass, is put in dry 30min in 50 DEG C of baking ovens with after dehydrated alcohol rinse 5 times, obtains
The near infrared band broad tuning luminescence PbS quantum-AlPO of two amounts point doping4Mesoporous glass nano is multiple
Compound.
This complex produces near infrared light, peak luminous wavelength 1060nm, peak width under 808nm laser excitation
205nm, as shown in Fig. 1 curve b.It can be seen that two step infusion process [Fig. 3 (a)] described in employing the present embodiment
The luminous substantially ratio luminous width of single dipping (embodiment 1) obtained, peak width increases by 71%.
Embodiment 3:
(1) embodiment 2 step (1) is repeated；
(2) take quantum dot solution lucifuge to seal and at 50 DEG C of ripening 2h, obtain ripening quantum dot solution；
(3) by AlPO4Mesoporous glass-impregnated is 15min in fresh quantum dot solution, then takes out glass, with anhydrous
Be put in 200 DEG C of vacuum drying ovens after ethanol rinse 3～5 times, constant temp. heating process 6h with organics removal and
Water；
(4), after heat treatment terminates, glass is cooled to room temperature with case and takes out, and is immersed in ripening quantum dot solution 15 immediately
Min, then takes out glass, is put in dry 30min in 50 DEG C of baking ovens with after dehydrated alcohol rinse 5 times, obtains
The near infrared band broad tuning luminescence PbS quantum-AlPO of two amounts point doping4Mesoporous glass nano is multiple
Compound.
This complex produces near infrared light, peak luminous wavelength 1117nm, peak width under 808nm laser excitation
242nm, as shown in Fig. 1 curve c.It can be seen that the glow peak that two step infusion processes described in employing the present embodiment obtain
The substantially ratio width of single dipping (embodiment 1), peak width increases by 102%.
Embodiment 4:
(1) embodiment 2 step (1) is repeated；
(2) take quantum dot solution lucifuge to seal and 4 DEG C of ripenings 4 months, obtain ripening quantum dot solution；
(3) by AlPO4Mesoporous glass-impregnated is 15min in fresh quantum dot solution, then takes out glass, with anhydrous
Be put in 200 DEG C of vacuum drying ovens after ethanol rinse 3～5 times, constant temp. heating process 6h with organics removal and
Water；
(4), after heat treatment terminates, glass is cooled to room temperature with case and takes out, and is immersed in ripening quantum dot solution 15 immediately
Min, then takes out glass, is put in dry 30min in 50 DEG C of baking ovens with after dehydrated alcohol rinse 5 times, obtains
The near infrared band broad tuning luminescence PbS quantum-AlPO of two amounts point doping4Mesoporous glass nano is multiple
Compound.
This complex produces near infrared light, peak luminous wavelength 1130nm, peak width under 808nm laser excitation
240nm, as shown in Fig. 1 curve d.It can be seen that the luminescence that two step infusion processes described in employing the present embodiment obtain
The peak substantially ratio width of single dipping (embodiment 1), peak width increases by 100%.
Embodiment 5:
(1) embodiment 2 step (1) is repeated；
(2) take quantum dot solution lucifuge to seal and at 50 DEG C of ripening 4h, obtain ripening quantum dot solution；
(3) 1:3 mixes fresh quantum dot solution and ripening quantum dot solution to obtain the dipping of bimodal luminescence molten by volume
Liquid, its peak luminous wavelength is respectively 1050nm and 1272n, and corresponding quantum dot average-size is respectively
3.3nm and 4.6nm.
(4) by AlPO4Mesoporous glass-impregnated is 30min in dipping solution m/n, then takes out glass, uses anhydrous second
It is put in dry 30min in 50 DEG C of baking ovens after alcohol rinse 5 times, obtains two amounts point doping near infrared band double
PbS quantum-the AlPO that peak is luminous4Mesoporous glass nano complex.
This complex produces bimodal luminescence near infrared band under 808nm laser excitation, as shown in figure two curve a.
It can be seen that a step infusion process [Fig. 3 (b)] obtains two discrete glow peaks described in employing the present embodiment, send out
Peak wavelength is respectively 970nm and 1224nm.
Embodiment 6:
(1) embodiment 2 step (1) is repeated；
(2) take quantum dot solution lucifuge to seal and at 50 DEG C of ripening 4h, obtain ripening quantum dot solution；
(3) 1:5 mixes fresh quantum dot solution and ripening quantum dot solution to obtain the dipping of bimodal luminescence molten by volume
Liquid, its peak luminous wavelength is respectively 1050nm and 1272n, and corresponding quantum dot average-size is respectively
3.3nm and 4.6nm.
(4) by AlPO4Mesoporous glass-impregnated 30min in dipping solution, then takes out glass, moistens with dehydrated alcohol
It is put in dry 30min in 50 DEG C of baking ovens after washing 5 times, obtains two amounts point bimodal of near infrared band of doping
PbS quantum-the AlPO of light4Mesoporous glass nano complex.
This complex produces bimodal luminescence near infrared band under 808nm laser excitation, as shown in figure two curve b.
It can be seen that a step infusion process [Fig. 3 (b)] obtains two discrete glow peaks described in employing the present embodiment, send out
Peak wavelength is respectively 968nm and 1228nm.
Embodiment 7:
(1) embodiment 2 step (1) is repeated；
(2) take quantum dot solution lucifuge to seal and at 50 DEG C of ripening 4h, obtain ripening quantum dot solution；
(3) 1:7 mixes fresh quantum dot solution and ripening quantum dot solution to obtain the dipping of bimodal luminescence molten by volume
Liquid m/n, its peak luminous wavelength is respectively 1050nm and 1272n, and corresponding quantum dot average-size is respectively
For 3.3nm and 4.6nm.
(4) by AlPO4Mesoporous glass-impregnated 30min in dipping solution, then takes out glass, moistens with dehydrated alcohol
It is put in dry 30min in 50 DEG C of baking ovens after washing 5 times, obtains two amounts point bimodal of near infrared band of doping
PbS quantum-the AlPO of light4Mesoporous glass nano complex.
This complex produces bimodal luminescence near infrared band under 808nm laser excitation, as shown in figure two curve c.
It can be seen that a step infusion process [Fig. 3 (b)] obtains two discrete glow peaks described in employing the present embodiment, send out
Peak wavelength is respectively 970nm and 1224nm.
Embodiment 8:
(1) embodiment 2 step (1) is repeated；
(2) take quantum dot solution lucifuge to seal and at 80 DEG C of ripening 3h, obtain ripening quantum dot solution；
(3) 1:10 mixes fresh quantum dot solution and ripening quantum dot solution to obtain the dipping of bimodal luminescence molten by volume
Liquid m/n, its peak luminous wavelength is respectively 1050nm and 1365n, and corresponding quantum dot average-size is respectively
For 3.3nm and 5.3nm.
(4) by AlPO4Mesoporous glass-impregnated 30min in dipping solution, then takes out glass, moistens with dehydrated alcohol
It is put in dry 30min in 50 DEG C of baking ovens after washing 5 times, obtains two amounts point bimodal of near infrared band of doping
PbS quantum-the AlPO of light4Mesoporous glass nano complex.
This complex produces bimodal luminescence near infrared band under 808nm laser excitation, as shown in figure two curve d.
It can be seen that a step infusion process [Fig. 3 (b)] obtains two discrete glow peaks described in employing the present embodiment, send out
Peak wavelength is respectively 1010nm and 1275nm.
Embodiment 9:
(1) embodiment 2 step (1) is repeated；
(2) take quantum dot solution lucifuge to seal and 25 DEG C of ripenings 20 days, obtain ripening quantum dot solution；
(3) 1:1 mixes fresh quantum dot solution and ripening quantum dot solution to obtain the dipping of bimodal luminescence molten by volume
Liquid, its peak luminous wavelength is respectively 1050nm and 1315nm, and corresponding quantum dot average-size is respectively
3.3nm and 4.9nm.
(4) by AlPO4Mesoporous glass-impregnated 30min in dipping solution, then takes out glass, moistens with dehydrated alcohol
It is put in dry 30min in 50 DEG C of baking ovens after washing 5 times, obtains two amounts point bimodal of near infrared band of doping
PbS quantum-the AlPO of light4Mesoporous glass nano complex.
This complex produces bimodal luminescence near infrared band under 808nm laser excitation, as shown in figure two curve e.
It can be seen that a step infusion process [Fig. 3 (b)] obtains two discrete glow peaks described in employing the present embodiment, send out
Peak wavelength is respectively 950nm and 1280nm.
Embodiment 10:
(1) embodiment 2 step (1) is repeated；
(2) take quantum dot solution lucifuge to seal and at 25 DEG C of ripening 10h, obtain ripening quantum dot solution；
(3) 1:3 mixes fresh quantum dot solution and ripening quantum dot solution to obtain the dipping of bimodal luminescence molten by volume
Liquid m/n, its peak luminous wavelength is respectively 1050nm and 1090nm, and corresponding quantum dot average-size is divided
Wei 3.3nm and 3.5nm.
(4) by AlPO4Mesoporous glass-impregnated 30min in dipping solution, then takes out glass, moistens with dehydrated alcohol
It is put in dry 30min in 50 DEG C of baking ovens after washing 5 times, obtains two amounts point bimodal of near infrared band of doping
PbS quantum-the AlPO of light4Mesoporous glass nano complex.
This complex produces bimodal luminescence near infrared band under 808nm laser excitation, and peak luminous wavelength is respectively
For 1140nm and 1192nm.
Embodiment 11:
(1) embodiment 2 step (1) is repeated；
(2) take quantum dot solution lucifuge to seal and 25 DEG C of ripenings 13 days, obtain ripening quantum dot solution；
(3) 3:1 mixes fresh quantum dot solution and ripening quantum dot solution to obtain the dipping of bimodal luminescence molten by volume
Liquid m/n, its peak luminous wavelength is respectively 1050nm and 1292nm, and corresponding quantum dot average-size is divided
Wei 3.3nm and 4.7nm.
(4) by AlPO4Mesoporous glass-impregnated 30min in dipping solution, then takes out glass, moistens with dehydrated alcohol
It is put in dry 30min in 50 DEG C of baking ovens after washing 5 times, obtains two amounts point bimodal of near infrared band of doping
PbS quantum-the AlPO of light4Mesoporous glass nano complex.
This complex produces bimodal luminescence near infrared band under 808nm laser excitation, as shown in figure two curve f.
It can be seen that a step infusion process [Fig. 3 (b)] obtains two discrete glow peaks described in employing the present embodiment, send out
Peak wavelength is respectively 934nm and 1236nm.
Embodiment 12:
(1) embodiment 2 step (1) is repeated；
(2) take quantum dot solution lucifuge to seal and 25 DEG C of ripenings 13 days, obtain ripening quantum dot solution；
(3) 10:1 mixes fresh quantum dot solution and ripening quantum dot solution to obtain the dipping of bimodal luminescence molten by volume
Liquid m/n, its peak luminous wavelength is respectively 1050nm and 1292nm, and corresponding quantum dot average-size is divided
Wei 3.3nm and 4.7nm.
(4) by AlPO4Mesoporous glass-impregnated 30min in dipping solution, then takes out glass, moistens with dehydrated alcohol
It is put in dry 30min in 50 DEG C of baking ovens after washing 5 times, obtains two amounts point bimodal of near infrared band of doping
PbS quantum-the AlPO of light4Mesoporous glass nano complex.
This complex produces bimodal luminescence near infrared band under 808nm laser excitation, as shown in Fig. 2 curve g.
It can be seen that a step infusion process [Fig. 3 (b)] obtains two discrete glow peaks described in employing the present embodiment, send out
Peak wavelength is respectively 926nm and 1240nm.
Above in association with accompanying drawing, the detailed description of the invention of the present invention is described, but only being preferable to carry out of the present invention
Example, these explanations can not be considered as limiting the scope of the present invention, and protection scope of the present invention is by the power enclosed
Profit claim limits.It should be pointed out that, to those of ordinary skill in the art, according to the technology of the present invention
Principle and thought, it may also be made that some changes and improvement, such as the parameter area related in technical solution of the present invention
In, this scope includes curing temperature and the time changing dipping solution, changes joining of two kinds of dipping solution mixing
Ratio, changes dip time etc., and these changes and improvement are all protection scope of the present invention.
Claims (1)
1. a PbS quantum doping AlPO4The preparation method of mesoporous glass nano complex, described
AlPO4The mesoporous pore size of mesoporous glass is distributed as 2～50nm, and described PbS quantum is aqueous phase quantum point；
Quantum point grain diameter is not more than 10nm, it is characterised in that comprise the steps:
1. with PbAc, Na2S is presoma, and sulfur is stabilizer for propanol and dithio alcohol, uses Aqueous phase
Prepare fresh PbS quantum solution；
2. taking fresh quantum dot solution lucifuge to seal and ripening in an oven, curing temperature is 4～90 DEG C；Ripe
The change time is 1 hour～4 months, obtains ripening quantum dot solution；
3. sol-gal process preparation is used to have high-specific surface area, the AlPO in nano-scale duct4Mesoporous glass
Glass；
4. by AlPO4Mesoporous glass uses two step infusion processes to prepare PbS quantum doping AlPO4Mesoporous glass
Nano-complex；
Two described step infusion processes are as follows:
By AlPO4Mesoporous glass is put in described fresh quantum dot solution and is impregnated at least 5 minutes, will leaching
Mesoporous glass after stain takes out from fresh quantum dot solution, with dehydrated alcohol rinse for several times, dried
To PbS quantum-AlPO4Mesoporous glass nano complex M, this complex M is in 100～250 DEG C of vacuum
Bleed at least 30 minutes, place in ripening quantum dot solution and impregnate at least 5 minutes, by Jie after dipping
Hole glass takes out from solution, obtains PbS quantum doping AlPO after rinse, drying4Mesoporous glass is received
Rice complex.
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| CN105693096B (en) * | 2016-01-14 | 2018-02-13 | 中国科学院上海光学精密机械研究所 | Sulphur system quantum dot and the mesoporous glass composite of phosphate and preparation method thereof |
| CN108947242B (en) * | 2018-08-14 | 2021-07-20 | 华南理工大学 | Intelligent response glass for moisture environment and preparation method and application thereof |
| CN110396407B (en) * | 2019-07-31 | 2022-05-24 | 深圳市联宝威科技有限公司 | Preparation method of infrared quantum dot fluorescent powder and prepared infrared quantum dot fluorescent powder |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080121955A1 (en) * | 2006-11-28 | 2008-05-29 | National Applied Research Laboratories | Silicon-based ferroelectric memory material and memory |
| US20090217967A1 (en) * | 2008-02-29 | 2009-09-03 | International Business Machines Corporation | Porous silicon quantum dot photodetector |
| CN101774628B (en) * | 2010-01-29 | 2011-12-21 | 浙江大学 | Preparation method of water-soluble metal sulfide semiconductor nanoparticle |
| CN102770386A (en) * | 2010-04-22 | 2012-11-07 | 海洋王照明科技股份有限公司 | Quantum dot-glass composite luminescent material and manufacturing method thereof |
| EP2446961A1 (en) * | 2010-10-29 | 2012-05-02 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. | Method for modifying the structural properties of silicon by ultrasonication |
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| CN103193386B (en) * | 2013-03-22 | 2015-07-29 | 中国科学院上海光学精密机械研究所 | The preparation method of the mesoporous glass of europium doping phosphoric acid aluminium |
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