CN108384530A - A kind of carbazyl conjugation microporous polymer microballoon and preparation method thereof, a kind of quantum dot film and its application of package quantum dot - Google Patents
A kind of carbazyl conjugation microporous polymer microballoon and preparation method thereof, a kind of quantum dot film and its application of package quantum dot Download PDFInfo
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- CN108384530A CN108384530A CN201810095335.4A CN201810095335A CN108384530A CN 108384530 A CN108384530 A CN 108384530A CN 201810095335 A CN201810095335 A CN 201810095335A CN 108384530 A CN108384530 A CN 108384530A
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Abstract
The present invention relates to quantum dot films, and particularly, the present invention relates to a kind of carbazyls of package quantum dot to be conjugated microporous polymer microballoon and preparation method thereof, a kind of quantum dot film and its application.In order to solve the problems, such as blue light purity in existing quantum dot use and to blue light utilization ratio it is low, on the other hand, in order to solve the problems, such as that existing quantum dot film light transmittance is low, stability is poor, the present invention provides a kind of carbazyl conjugation microporous polymer microballoon and preparation method thereof, a kind of quantum dot film and its application of package quantum dot.The quantum dot is distributed in carbazyl conjugation microporous polymer microballoon.The carbazyl conjugation microporous polymer microballoon of package quantum dot provided by the invention can effectively solve the problem that the quantum dot problem low to blue light utilization ratio, improve the purity of blue light and is avoided that quantum dot by the oxygen and steam oxidation in air;So that quantum dot film provided by the invention has excellent optical property.
Description
Technical field
The present invention relates to quantum dot films, and particularly, the present invention relates to a kind of carbazyls of package quantum dot to be conjugated micropore
Polymer microballoon and preparation method thereof, a kind of quantum dot film and its application.
Background technology
Quantum dot is a kind of size in nano level three-dimensional cluster, so the nano dot or nanocrystalline that is otherwise known as.Due to amount
The special construction of son point causes it with quantum size effect, macro quanta tunnel effect, Dielectric confinement effect and skin effect,
Unique physics, chemical property and distinctive luminescent properties thus are generated, this is but also quanta point material is related to managing as one
The multi-disciplinary crossing domain such as change, optics, nano material technology.With the fast development that semiconductor-quantum-point synthesizes, it is had
Have the advantages that at low cost, stability is strong, quantum yield is high and can large-scale production so that it is considered as answering many forward positions
With the solid foundation further studied.Especially quantum dot is unique because its diameter approximation exciton Bohr radius causes it to show
The characteristics of luminescence makes it have a good application prospect in luminescent material, display etc..
But currently, it is commonly encountered problems with during the use of quantum dot:1) quantum dot oxidation resistance is poor.Quantum
Point is contacted with air in use, and easy oxygen and steam oxidation by air causes fluorescence intensity to decline.2) at present
Red, green quantum dot is relatively low to the utilization rate for the blue light that backlight is sent out, and cannot effectively play its fluorescence quantum efficiency.3) blue
Backlight excitation quantum point makes quantum dot provide red green, and the purity of red green is higher than with the common TV of white light source, because
This red green light is more bright-coloured, but its blue light is that backlight directly obtains, therefore the purity of blue light is relatively low.Problem (2) and (3)
The color domain coverage ratio of backlight module can be influenced.
Carbazole is a kind of nitrogenous heteroaromatic with unique rigid condensed cyclic structure, the organic molecule of carbazolyl-containing group and
Polymer shows good photoelectric properties, is more applied to organic photoelectrical material field.The structure of carbazoles material has
There are following characteristics:1) intramolecular has larger conjugated system and strong cyclic voltammetry method, therefore shines with good
Performance;2) rigid condensed ring has higher heat, oxidative stability;3) the N atoms in carbazole molecules have the lone pair electrons of delocalization,
It can play the role of electron screening oxygen molecule.
Therefore, the advantage of organic carbazoles material is attached in the optical application of inorganic-quantum-dot material and can be effectively solved
The certainly inorganic-quantum-dot problem low to blue light utilization rate.
Invention content
In order to solve, the blue light purity in existing quantum dot use is relatively low and quantum dot is low to blue light utilization ratio asks
Topic, the present invention provide a kind of carbazyl conjugation microporous polymer microballoon and preparation method thereof, a kind of quantum dot of package quantum dot
Film and its application.On the other hand, in order to solve the problems, such as that existing quantum dot film light transmittance is low, stability is poor, the present invention carries
It is conjugated microporous polymer microballoon and preparation method thereof, a kind of quantum dot film for a kind of carbazyl of package quantum dot and its answers
With.The carbazyl conjugation microporous polymer microballoon of package quantum dot provided by the invention can effectively solve the problem that quantum dot to blue light profit
With the low problem of efficiency, improves the purity of blue light and be avoided that quantum dot by the oxygen and steam oxidation in air;To
So that quantum dot film provided by the invention has excellent optical property.
In order to solve the above technical problem, the present invention provides following technical solutions:
The present invention provides a kind of carbazyl conjugation microporous polymer microballoon of package quantum dot, and the quantum dot is distributed in click
Oxazolyl is conjugated in microporous polymer microballoon.
Further, a diameter of 50-750nm of the carbazyl conjugation microporous polymer microballoon of the package quantum dot.
Further, the diameter of the carbazyl conjugation microporous polymer microballoon of the package quantum dot is preferably 150nm.
Further, mixture of the quantum dot selected from green quantum dot, red quantum dot or the two.
The green quantum is clicked from green CdSe quantum dots, and the red quantum dot is selected from red cadmium selenide quantum
Point.
Further, the quantum dot is made of green quantum dot and red quantum dot.
Further, the grain size of the green quantum dot is 3.1nm, and the grain size of red quantum dot is 6.2nm.The matter of the two
Amount according to specific optics display performance than can require to be adjusted.
Further, the weight ratio of the green quantum dot and red quantum dot is 1:1.
The present invention also provides the preparation method that a kind of carbazyl of package quantum dot is conjugated microporous polymer microballoon, the sides
Method includes the following steps:
(1) appropriate ferric trichloride powder is added to dissolved in the ethanol solution of sodium citrate and CdSe quantum dots, with
The chloroformic solution dissolved with carbazolyl monomers is added dropwise dropwise afterwards, room temperature reaction is for 24 hours;
(2) the carbazyl conjugation microporous polymer microballoon of package quantum dot is obtained through being filtered, washed, after Soxhlet extraction.
Further, the carbazolyl monomers are Isosorbide-5-Nitrae-two (9- carbazoles) benzene.
Further, the reaction equation of carbazyl conjugation microporous polymer microballoon is as follows:
Asterisk in the structural formula of above-mentioned reaction product indicates repetitive unit.
Further, the preparation method of the carbazyl conjugation microporous polymer microballoon of the package quantum dot is:To 250mL
There-necked flask substitute nitrogen after, quickly weigh and FeCl be added3And chloroform.Then it is added dissolved with CdSe quantum dots and citric acid
The ethanol solution of sodium is used in combination syringe that the chloroformic solution dissolved with 1g Isosorbide-5-Nitraes-two (9- carbazoles) benzene is slowly added dropwise, starts to stir.
It reacts at room temperature 24 hours, 300mL methanol is then added and stirs 1 hour, filters and is respectively drenched with methanol, concentrated hydrochloric acid and deionized water
It washes 1 time, finally with methanol and tetrahydrofuran, rope puies forward (Soxhlet extraction) 24 hours respectively, obtains crude product.Last 60 DEG C of vacuum are dry
Yellow powder is obtained within dry 12 hours, the carbazyl for as wrapping up quantum dot is conjugated microporous polymer microballoon.
Further, the rate of charge of the carbazolyl monomers and ferric trichloride is 1:0.2-20.
The rate of charge refers to the weight ratio for the raw material being added.Ferric trichloride is catalysts.
Further, the purity requirement of the ferric trichloride is 99.9%;Carbazolyl monomers and ferric trichloride feed intake
Than can be adjusted according to the requirement of the specific surface area of required polymer.
Further, the rate of charge of the carbazolyl monomers and CdSe quantum dots is 1: 0.1-10.
Further, the rate of charge of carbazolyl monomers and CdSe quantum dots can be wanted according to the optical property of material requested
It asks and is adjusted.
Further, the rate of charge of the carbazolyl monomers and sodium citrate is 1:0.1-10.
The rate of charge of pH value of the sodium citrate for adjusting reaction system, carbazolyl monomers and sodium citrate can be according to required
The requirement of microsphere volume is adjusted.
Further, the rate of charge of the carbazolyl monomers and ferric trichloride is 1:2, carbazolyl monomers and cadmium selenide quantum
The rate of charge of point is 1:1, the rate of charge of carbazolyl monomers and sodium citrate is 1:1.
The present invention also provides a kind of quantum dot film, the quantum dot film includes quantum dot glue-line, the quantum dispensing
Layer includes that the carbazyl of package quantum dot is conjugated microporous polymer microballoon.
The present invention also provides a kind of preparation methods of quantum dot film:The conjugation microporous polymer and third of quantum dot will be wrapped up
Olefin(e) acid esters UV solidification glues stir evenly the coating fluid to form quantum dispensing layer, after above-mentioned coating fluid is uniformly coated on one
The surface of PET film, cures through UV lamp, obtains quantum dot film.
The present invention also provides a kind of application of quantum dot film, the quantum dot film is used for liquid crystal display die set.
Quantum dot diaphragm prepared by the carbazyl conjugation microporous polymer microballoon of package quantum dot provided by the invention is answered
Used in field of display devices.
Further, the liquid crystal display die set includes light source, light guide plate, quantum dot film, prismatic lens, polaroid successively
And liquid crystal display panel.
Further, the light source is direct-insert or side entering type light source.The liquid crystal display die set is that direct-insert or side enter
Formula.
Compared with prior art, the beneficial effects of the present invention are:
(1) the sub- point of red, green two amounts has been wrapped up in conjugation microporous polymer microballoon provided by the invention, on smaller scale
The introducing of single white point is accomplished so that show that the pixel of equipment greatly improves.
(2) indigo plant that polymer microballoon is inspired in the conjugation microporous polymer microballoon of package quantum dot provided by the invention
The purity of light is higher than blue backlight, to improve excitation quantum point blue light purity;And it is wrapped in interior quantum dot
Multiple diffusing reflection can be carried out inside microballoon to the blue light that polymer microballoon is inspired, to improve quantum dot to blue light
Utilization ratio;The quantum dot film of preparation is set to be improved while reducing the actual use amount of quantum dot, reducing cost
The whole optical property of system.
(3) the organic conjugate microporous polymer microballoon of present invention bigger serface wraps up inorganic-quantum-dot, fundamentally
The disadvantage for overcoming current inorganic-quantum-dot and organic polymer glue Miscibility difference is avoided by the incompatible institute of system
Cause the destabilizing factors such as the dispersion occurred in process of production is uneven, diaphragm thickness is not easy to control, color coordinate drift is big.
(4) microporous polymer microballoon provided by the invention shields the harmful effect of water, oxygen to quantum dot stability, this is matched
Side is still with good stability under harsh aging condition (high temperature, high humidity, strong blue light), can effectively prevent quantum dot
The characteristic that optical property declines due to unstability substantially increases the normal service life of display equipment.
(5) concise in technology of conjugation the microporous polymer microballoon and quantum dot film of package quantum dot provided by the invention,
Raw material is cheap and easy to get, thus the feasibility with relatively broad application power and volume production.
(6) light transmittance of quantum dot film provided by the invention is high, stability is good.
Description of the drawings
Fig. 1 is that the carbazyl of package quantum dot provided by the invention is conjugated the structural schematic diagram of microporous polymer microballoon;
Fig. 2 is the synthetic route chart that carbazyl provided by the invention is conjugated microporous polymer microballoon;
Fig. 3 is that the carbazyl of the package quantum dot prepared by the embodiment of the present invention 1 is conjugated sweeping for microporous polymer microballoon
Retouch electron microscope;
Fig. 4 is that the carbazyl of the package quantum dot prepared by the embodiment of the present invention 1 is conjugated Fu of microporous polymer microballoon
In leaf infrared spectrogram;
Fig. 5 is that the carbazyl of red, the green quantum dot of package prepared by the embodiment of the present invention 1 is conjugated microporous polymer microballoon
Fluorescence emission spectrogram of compound;
Fig. 6 is that the carbazyl of red, the green quantum dot of package prepared by the embodiment of the present invention 1 is conjugated microporous polymer microballoon
UV-visible absorption spectrum;
Fig. 7 is the structural schematic diagram of liquid crystal display die set provided by the invention.
Specific implementation mode
It is clearly and completely described below in conjunction with the technical solution in the embodiment of the present invention, it is clear that described reality
Example is only one of present invention embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field
All other embodiments that those of ordinary skill is obtained under the premise of not making creative work, belong to the present invention
The range of protection.
The preparation method of the carbazyl conjugation microporous polymer microballoon of package quantum dot provided by the invention includes following step
Suddenly:
(1) appropriate ferric trichloride powder is added to by the preparation of the carbazyl conjugation microporous polymer microballoon of package quantum dot
Dissolved in the ethanol solution of sodium citrate and CdSe quantum dots, the chloroformic solution dissolved with carbazolyl monomers is then added dropwise dropwise,
Last room temperature is for 24 hours;
(2) the carbazyl conjugation microporous polymer microballoon of package quantum dot is obtained through being filtered, washed, after Soxhlet extraction.
The present invention also provides a kind of preparation methods of quantum dot film:The carbazyl for wrapping up quantum dot is conjugated microporous polymer
Object microballoon and esters of acrylic acid UV solidification glues stir evenly the coating fluid to form quantum dispensing layer, after above-mentioned coating fluid is uniform
It is coated on the surface of a PET film, is cured through UV lamp, quantum dot film is obtained.
Fig. 1 is the structural schematic diagram of the carbazyl conjugation microporous polymer microballoon for the package quantum dot that invention provides, wherein
Green CdSe quantum dots 1 and red CdSe quantum dots 2 are wrapped in carbazyl conjugation microporous polymer microballoon 3.
As shown in fig. 7, quantum dot film 1 is placed in the top of light guide plate 100, prismatic lens 2 are placed in the upper of quantum dot film 1
Side, polaroid 3 are placed in the top of prismatic lens 2, and liquid crystal display panel 4 is placed in the top of polaroid 3.100 lower section of light guide plate is straight-down negative
Blue led light source can also select side entering type light source.
The correlation of microporous polymer microballoon is conjugated to the carbazyl of package quantum dot provided by the invention in the following manner
Performance is tested, and the results are shown in tables 1.
1, encapsulation ratio
Smoke filtrate in experimental procedure (2) is collected and centrifuged, dries, weigh after removal supernatant, do not wrapped up
The quality of the CdSe quantum dots of microballoon;
Encapsulation ratio=(gained quantum point mass after gross mass-centrifugation of reaction input quantum dot)/reaction input quantum
The gross mass of point.
2, reaction yield
Reaction yield=(quality-encapsulation ratio × reaction of the carbazyl conjugation microporous polymer microballoon of package quantum dot is thrown
The gross mass of the quantum dot entered)/react the gross mass for putting into monomer.
3, dispersed
The carbazyl conjugation microporous polymer microballoon of package quantum dot prepared by 5g is added to 100ml IBOA solution
After middle mechanical agitation 30min, start to stand and observe sedimentation situation.Evaluation criterion is as follows:
Very well:It stands 5 hours and does not observe apparent sedimentation;
Generally:It stands 1 hour and does not observe apparent sedimentation, stand 5 hours and observe that part settles;
It is bad:Apparent sedimentation is observed in standing 1 hour.
4, specific surface area
150mg samples are taken to be encased in nitrogen adsorption instrument, the nitrogen adsorption situation of test sample in liquid nitrogen atmosphere, and from
Move and is counted as specific surface area.
5, microsphere diameter
Gained sample is observed and measures the average diameter of microballoon under a scanning electron microscope.
The major optical performance of quantum dot film provided by the invention is tested in the following manner.
1, light transmittance and mist degree test:The quantum dot film to be measured for taking an A4 is put into light transmittance mist degree tester
(NDH7000) its light transmittance or haze value are measured in.
2, briliancy and colour gamut test:The quantum dot film to be measured for taking A4 sizes, according to test structure (side entrance back+sheet
The quantum dot film provided is provided) it is put into 10 cun of backlight modules, it lights under the voltage of 24V, is surveyed with briliancy instrument (CS-2000)
Try its briliancy and color domain coverage ratio.Briliancy is higher to illustrate that brightness is higher;Color domain coverage ratio is higher to illustrate that color contrast is higher.
3, optical assessment standard is as follows:
Stability:Briliancy conservation rate includes the briliancy conservation rate under high temperature, the briliancy conservation rate under high temperature and humidity and blue light
Lower briliancy conservation rate;By the quantum dot film of preparation be respectively placed in 80 DEG C of high temperature ovens, 80 DEG C/95% humidity high temperature and humidity case
With aging in 70 times strong blue light box, the briliancy after aging, the brightness before briliancy/aging after briliancy conservation rate=aging are tested
Degree;Briliancy conservation rate is higher, shows that the stability of quantum dot film is better.Evaluation criterion is as follows:
It is excellent:Briliancy conservation rate >=95%;
Generally:85%≤briliancy conservation rate < 95%;
It is bad:Briliancy conservation rate≤80%.
Optical property:Summary to diaphragm overall performance contains color domain coverage ratio, briliancy and light transmittance.
It is excellent:Film surface light transmittance is more than 90% (containing), color domain coverage ratio >=108%, briliancy >=3500cd/ before aging
m2;
Generally:Film surface light transmittance is more than 90% (containing), 101%≤color domain coverage ratio < 108%, 3000cd/m2≤ old
Briliancy < 3500cd/m before change2;
It is bad:Film surface light transmittance is more than 90% (containing), color domain coverage ratio≤100%, briliancy≤2800cd/ before aging
m2。
Embodiment 1
The present invention provides a kind of carbazyl conjugation microporous polymer microballoon of package quantum dot, and the quantum dot is distributed in click
Oxazolyl is conjugated in microporous polymer microballoon.
After substituting nitrogen to the there-necked flask of 250mL, quickly weighs and 2g FeCl are added3With 30 mL chloroforms.Then it is added
20mL is used in combination syringe slowly to drip dissolved with 0.5g red cadmium selenide, the ethanol solution of 0.5g greens cadmium selenide and 1g sodium citrates
50mL is added to start to stir dissolved with the chloroformic solution of 1g Isosorbide-5-Nitraes-two (9- carbazoles) benzene.It reacts 24 hours, is then added at room temperature
300mL methanol stirs 1 hour, filters and is respectively eluted 1 time with methanol, concentrated hydrochloric acid and deionized water, finally uses methanol and tetrahydrochysene furan
Rope respectively of muttering carries 24 hours, obtains crude product.Last 60 DEG C of vacuum drying obtain 1.97g yellow powders in 12 hours, as wrap up
The carbazyl of quantum dot is conjugated microporous polymer microballoon.
The performance test results of the carbazyl conjugation microporous polymer microballoon of package quantum dot obtained are shown in Table 1.
Embodiment 2
As the carbazyl for the package quantum dot that embodiment 1 provides is conjugated microporous polymer microballoon.
After substituting nitrogen to the there-necked flask of 250mL, quickly weighs and 2g FeCl are added3With 30 mL chloroforms.Then it is added
20mL is used in combination syringe slow dissolved with 0.5g red cadmium selenide, the ethanol solution of 0.5g greens cadmium selenide and 0.1g sodium citrates
50mL is added dropwise dissolved with the chloroformic solution of 1g Isosorbide-5-Nitraes-two (9- carbazoles) benzene, starts to stir.It reacts 24 hours, then adds at room temperature
Enter 300mL methanol to stir 1 hour, filter and respectively eluted 1 time with methanol, concentrated hydrochloric acid and deionized water, finally uses methanol and tetrahydrochysene
Rope carries 24 hours furans respectively, obtains crude product.Last 60 DEG C of vacuum drying obtain 1.67g yellow powders in 12 hours, as wrap
Wrap up in the carbazyl conjugation microporous polymer microballoon of quantum dot.
The performance test results of the carbazyl conjugation microporous polymer microballoon of package quantum dot obtained are shown in Table 1.
Embodiment 3
As the carbazyl for the package quantum dot that embodiment 1 provides is conjugated microporous polymer microballoon.
After substituting nitrogen to the there-necked flask of 250mL, quickly weighs and 2g FeCl are added3With 30 mL chloroforms.Then it is added
20mL is used in combination syringe slow dissolved with 0.5g red cadmium selenide, the ethanol solution of 0.5g greens cadmium selenide and 10g sodium citrates
50mL is added dropwise dissolved with the chloroformic solution of 1g Isosorbide-5-Nitraes-two (9- carbazoles) benzene, starts to stir.It reacts 24 hours, then adds at room temperature
Enter 300mL methanol to stir 1 hour, filter and respectively eluted 1 time with methanol, concentrated hydrochloric acid and deionized water, finally uses methanol and tetrahydrochysene
Rope carries 24 hours furans respectively, obtains crude product.Last 60 DEG C of vacuum drying obtain 1.95g yellow powders in 12 hours, as wrap
Wrap up in the carbazyl conjugation microporous polymer microballoon of quantum dot.
The performance test results of the carbazyl conjugation microporous polymer microballoon of package quantum dot obtained are shown in Table 1.
Embodiment 4
As the carbazyl for the package quantum dot that embodiment 1 provides is conjugated microporous polymer microballoon.
After substituting nitrogen to the there-necked flask of 250mL, quickly weighs and 0.2g FeCl are added3With 30mL chloroforms.Then add
Enter 20mL dissolved with 0.5g red cadmium selenide, the ethanol solution of 0.5g greens cadmium selenide and 1g sodium citrates, is used in combination syringe slow
50mL is added dropwise dissolved with the chloroformic solution of 1g Isosorbide-5-Nitraes-two (9- carbazoles) benzene, starts to stir.It reacts 24 hours, then adds at room temperature
Enter 300mL methanol to stir 1 hour, filter and respectively eluted 1 time with methanol, concentrated hydrochloric acid and deionized water, finally uses methanol and tetrahydrochysene
Rope carries 24 hours furans respectively, obtains crude product.Last 60 DEG C of vacuum drying obtain 1.85g yellow powders in 12 hours, as wrap
Wrap up in the carbazyl conjugation microporous polymer microballoon of quantum dot.
The performance test results of the carbazyl conjugation microporous polymer microballoon of package quantum dot obtained are shown in Table 1.
Embodiment 5
As the carbazyl for the package quantum dot that embodiment 1 provides is conjugated microporous polymer microballoon.
After substituting nitrogen to the there-necked flask of 250mL, quickly weighs and 20g FeCl are added3With 30mL chloroforms.Then it is added
20mL is used in combination syringe slowly to drip dissolved with 0.5g red cadmium selenide, the ethanol solution of 0.5g greens cadmium selenide and 1g sodium citrates
50mL is added to start to stir dissolved with the chloroformic solution of 1g Isosorbide-5-Nitraes-two (9- carbazoles) benzene.It reacts 24 hours, is then added at room temperature
300mL methanol stirs 1 hour, filters and is respectively eluted 1 time with methanol, concentrated hydrochloric acid and deionized water, finally uses methanol and tetrahydrochysene furan
Rope respectively of muttering carries 24 hours, obtains crude product.Last 60 DEG C of vacuum drying obtain 1.72g yellow powders in 12 hours, as wrap up
The carbazyl of quantum dot is conjugated microporous polymer microballoon.
The performance test results of the carbazyl conjugation microporous polymer microballoon of package quantum dot obtained are shown in Table 1.
Embodiment 6
As the carbazyl for the package quantum dot that embodiment 1 provides is conjugated microporous polymer microballoon.
After substituting nitrogen to the there-necked flask of 250mL, quickly weighs and 2g FeCl are added3With 30 mL chloroforms.Then it is added
20mL is used in combination syringe slow dissolved with 0.05g red cadmium selenide, the ethanol solution of 0.05g greens cadmium selenide and 1g sodium citrates
50mL is added dropwise dissolved with the chloroformic solution of 1g Isosorbide-5-Nitraes-two (9- carbazoles) benzene, starts to stir.It reacts 24 hours, then adds at room temperature
Enter 300mL methanol to stir 1 hour, filter and respectively eluted 1 time with methanol, concentrated hydrochloric acid and deionized water, finally uses methanol and tetrahydrochysene
Rope carries 24 hours furans respectively, obtains crude product.Last 60 DEG C of vacuum drying obtain 1.097g yellow powders in 12 hours, as wrap
Wrap up in the carbazyl conjugation microporous polymer microballoon of quantum dot.
The performance test results of the carbazyl conjugation microporous polymer microballoon of package quantum dot obtained are shown in Table 1.
Embodiment 7
As the carbazyl for the package quantum dot that embodiment 1 provides is conjugated microporous polymer microballoon.
After substituting nitrogen to the there-necked flask of 250mL, quickly weighs and 2g FeCl are added3With 30 mL chloroforms.Then it is added
20mL is used in combination syringe to be slowly added dropwise dissolved with 5g red cadmium selenide, the ethanol solution of 5g greens cadmium selenide and 1g sodium citrates
50mL starts to stir dissolved with the chloroformic solution of 1g Isosorbide-5-Nitraes-two (9- carbazoles) benzene.It reacts 24 hours, is then added at room temperature
300mL methanol stirs 1 hour, filters and is respectively eluted 1 time with methanol, concentrated hydrochloric acid and deionized water, finally uses methanol and tetrahydrochysene furan
Rope respectively of muttering carries 24 hours, obtains crude product.Last 60 DEG C of vacuum drying obtain 7.98g yellow powders in 12 hours, as wrap up
The carbazyl of quantum dot is conjugated microporous polymer microballoon.
The performance test results of the carbazyl conjugation microporous polymer microballoon of package quantum dot obtained are shown in Table 1.
Embodiment 8
The present invention provides a kind of quantum dot film, and the quantum dot film includes quantum dot glue-line, the quantum dot glue-line
Carbazyl including wrapping up quantum dot is conjugated microporous polymer microballoon.
Weigh the carbazyl conjugation microporous polymer microballoon and 100g propylene of the package quantum dot prepared in 25g embodiments 1
After being stirred and evenly mixed on sour isobornyl thiocyanoacetate (IBOA) earthquake device, it is added in the mixed liquor of 1000g esters of acrylic acid UV solidification glues
And mechanical agitation 2 hours, standing obtain quantum dot glue.
The quantum dot glue of above-mentioned mixing is injected into die head through screw pump and is uniformly coated on the surfaces PET, through roll-in and purple
External exposure solidification cuts to obtain the quantum dot diaphragm of A4 sizes, and bondline thickness is 50 microns.
The performance test results of quantum dot film obtained are shown in Table 2.
Embodiment 9
The quantum dot film provided such as embodiment 8.
Weigh the carbazyl conjugation microporous polymer microballoon and 100g propylene of the package quantum dot prepared in 25g embodiments 4
After being stirred and evenly mixed on sour isobornyl thiocyanoacetate (IBOA) earthquake device, it is added in the mixed liquor of 1000g esters of acrylic acid UV solidification glues
And mechanical agitation 2 hours, standing obtain quantum dot glue.
The quantum dot glue of above-mentioned mixing is injected into die head through screw pump and is uniformly coated on the surfaces PET, through roll-in and purple
External exposure solidification cuts to obtain the quantum dot diaphragm of A4 sizes, and bondline thickness is 50 microns.
The performance test results of quantum dot film obtained are shown in Table 2.
Embodiment 10
The quantum dot film provided such as embodiment 8.
Weigh the carbazyl conjugation microporous polymer microballoon and 100g propylene of the package quantum dot prepared in 25g embodiments 5
After being stirred and evenly mixed on sour isobornyl thiocyanoacetate (IBOA) earthquake device, it is added in the mixed liquor of 1000g esters of acrylic acid UV solidification glues
And mechanical agitation 2 hours, standing obtain quantum dot glue.
The quantum dot glue of above-mentioned mixing is injected into die head through screw pump and is uniformly coated on the surfaces PET, through roll-in and purple
External exposure solidification cuts to obtain the quantum dot diaphragm of A4 sizes, and bondline thickness is 50 microns.
The performance test results of quantum dot film obtained are shown in Table 2.
Comparative example 1
As the carbazyl for the package quantum dot that embodiment 1 provides is conjugated microporous polymer microballoon.
After substituting nitrogen to the there-necked flask of 250mL, quickly weighs and 2g FeCl are added3With 30 mL chloroforms.Then it is added
20mL is used in combination syringe slow dissolved with 0.5g red cadmium selenide, the ethanol solution of 0.5g greens cadmium selenide and 0.01g sodium citrates
The slow 50mL that is added dropwise starts to stir dissolved with the chloroformic solution of 1g Isosorbide-5-Nitraes-two (9- carbazoles) benzene.Reaction 24 hours at room temperature, then
300mL methanol is added to stir 1 hour, filter and is respectively eluted 1 time with methanol, concentrated hydrochloric acid and deionized water, finally uses methanol and four
Rope carries 24 hours hydrogen furans respectively, obtains crude product.Last 60 DEG C of vacuum drying obtain 1.18g yellow powders in 12 hours, as
The carbazyl for wrapping up quantum dot is conjugated microporous polymer microballoon.
The performance test results of the carbazyl conjugation microporous polymer microballoon of package quantum dot obtained are shown in Table 1.
Comparative example 2
As the carbazyl for the package quantum dot that embodiment 1 provides is conjugated microporous polymer microballoon.
After substituting nitrogen to the there-necked flask of 250mL, quickly weighs and 2g FeCl are added3With 30 mL chloroforms.Then it is added
20mL is used in combination syringe slow dissolved with 0.5g red cadmium selenide, the ethanol solution of 0.5g greens cadmium selenide and 15g sodium citrates
50mL is added dropwise dissolved with the chloroformic solution of 1g Isosorbide-5-Nitraes-two (9- carbazoles) benzene, starts to stir.It reacts 24 hours, then adds at room temperature
Enter 300mL methanol to stir 1 hour, filter and respectively eluted 1 time with methanol, concentrated hydrochloric acid and deionized water, finally uses methanol and tetrahydrochysene
Rope carries 24 hours furans respectively, obtains crude product.Last 60 DEG C of vacuum drying obtain 1.95g yellow powders in 12 hours, as wrap
Wrap up in the carbazyl conjugation microporous polymer microballoon of quantum dot.
The performance test results of the carbazyl conjugation microporous polymer microballoon of package quantum dot obtained are shown in Table 1.
Comparative example 3
As the carbazyl for the package quantum dot that embodiment 1 provides is conjugated microporous polymer microballoon.
After substituting nitrogen to the there-necked flask of 250mL, quickly weighs and 0.1g FeCl are added3With 30mL chloroforms.Then add
Enter 20mL dissolved with 0.5g red cadmium selenide, the ethanol solution of 0.5g greens cadmium selenide and 1g sodium citrates, is used in combination syringe slow
50mL is added dropwise dissolved with the chloroformic solution of 1g Isosorbide-5-Nitraes-two (9- carbazoles) benzene, starts to stir.It reacts 24 hours, then adds at room temperature
Enter 300mL methanol to stir 1 hour, filter and respectively eluted 1 time with methanol, concentrated hydrochloric acid and deionized water, finally uses methanol and tetrahydrochysene
Rope carries 24 hours furans respectively, obtains crude product.Last 60 DEG C of vacuum drying obtain 0.44g yellow powders in 12 hours, as wrap
Wrap up in the carbazyl conjugation microporous polymer microballoon of quantum dot.
The performance test results of the carbazyl conjugation microporous polymer microballoon of package quantum dot obtained are shown in Table 1.
Comparative example 4
As the carbazyl for the package quantum dot that embodiment 1 provides is conjugated microporous polymer microballoon.
After substituting nitrogen to the there-necked flask of 250mL, quickly weighs and 50g FeCl are added3With 30mL chloroforms.Then it is added
20mL is used in combination syringe slowly to drip dissolved with 0.5g red cadmium selenide, the ethanol solution of 0.5g greens cadmium selenide and 1g sodium citrates
50mL is added to start to stir dissolved with the chloroformic solution of 1g Isosorbide-5-Nitraes-two (9- carbazoles) benzene.It reacts 24 hours, is then added at room temperature
300mL methanol stirs 1 hour, filters and is respectively eluted 1 time with methanol, concentrated hydrochloric acid and deionized water, finally uses methanol and tetrahydrochysene furan
Rope respectively of muttering carries 24 hours, obtains crude product.Last 60 DEG C of vacuum drying obtain 0.55g yellow powders in 12 hours, as wrap up
The carbazyl of quantum dot is conjugated microporous polymer microballoon.
The performance test results of the carbazyl conjugation microporous polymer microballoon of package quantum dot obtained are shown in Table 1.
Comparative example 5
As the carbazyl for the package quantum dot that embodiment 1 provides is conjugated microporous polymer microballoon.
After substituting nitrogen to the there-necked flask of 250mL, quickly weighs and 2g FeCl are added3With 30 mL chloroforms.Then it is added
20mL is used in combination syringe to be slowly added dropwise dissolved with 15g red cadmium selenide, the ethanol solution of 15g greens cadmium selenide and 1g sodium citrates
50mL starts to stir dissolved with the chloroformic solution of 1g Isosorbide-5-Nitraes-two (9- carbazoles) benzene.It reacts 24 hours, is then added at room temperature
300mL methanol stirs 1 hour, filters and is respectively eluted 1 time with methanol, concentrated hydrochloric acid and deionized water, finally uses methanol and tetrahydrochysene furan
Rope respectively of muttering carries 24 hours, obtains crude product.Last 60 DEG C of vacuum drying obtain 5.79g yellow powders in 12 hours, as wrap up
The carbazyl of quantum dot is conjugated microporous polymer microballoon.
The performance test results of the carbazyl conjugation microporous polymer microballoon of package quantum dot obtained are shown in Table 1.
Comparative example 6
The quantum dot film provided such as embodiment 8.
Weigh the carbazyl conjugation microporous polymer microballoon and 100g propylene of the package quantum dot prepared in 25g comparative examples 2
After being stirred and evenly mixed on sour isobornyl thiocyanoacetate (IBOA) earthquake device, it is added in the mixed liquor of 1000g esters of acrylic acid UV solidification glues
And mechanical agitation 2 hours, standing obtain quantum dot glue.
The quantum dot glue of above-mentioned mixing is injected into die head through screw pump and is uniformly coated on the surfaces PET, through roll-in and purple
External exposure solidification cuts to obtain the quantum dot diaphragm of A4 sizes, and bondline thickness is 50 microns.
The performance test results of quantum dot film obtained are shown in Table 2.
Dependency structure characterization is carried out to the carbazyl conjugation microporous polymer microballoon for wrapping up in quantum dot prepared by embodiment 1 to survey
Examination, test result is as follows:
Fig. 3 is that the carbazyl of the package quantum dot prepared by embodiment 1 is conjugated the scanning electron microscope (SEM) photograph of microporous polymer microballoon,
Test result shows that the material of gained is the interior rough porous microballoon for having and containing substance.
Fig. 4 is that the Fourier of the carbazyl conjugation microporous polymer microballoon of the package quantum dot prepared by embodiment 1 is infrared
Spectrogram, in 1400~1550cm-1With 700~850cm-1The vibration absorption peak that region occurs illustrates exist in material prepared
Benzene ring structure.In 1200~1300cm-1Carbazole unit of the C-N stretching vibration absworption peaks that place occurs in polymer.This
A bit results showed that the chemical constitution and theory expectation of the carbazyl conjugation microporous polymer microballoon of prepared package quantum dot
It is consistent.
Fig. 5 is that the carbazyl for the package quantum dot that the embodiment of the present invention 1 provides is conjugated microporous polymer microballoon in 250nm
Fluorescence emission spectrogram of compound under excitation wavelength, spectrogram is to occur a strong peak at 448nm in wavelength, to be conjugated microporous polymer
The blue light of transmitting;It is to occur a strong peak at 531nm in wavelength, for the lower gained of green quantum dot excitation, shows that carbazyl is conjugated
Microporous polymer microballoon can rationally utilize the green quantum dot of package;It is a strong peak also occur at 624nm in wavelength,
Lower gained is excited for red quantum dot, shows that carbazyl conjugation microporous polymer microballoon can rationally utilize the red quantum of package
Point.
The ultraviolet-visible of the carbazyl conjugation microporous polymer for the package quantum dot that Fig. 6 the embodiment of the present invention 1 provides is inhaled
Receive spectrogram.It is to occur two absorption peaks at 470-530nm and 580-620nm from being can be seen that in spectrogram in wavelength, shows
The carbazyl conjugation microporous polymer microballoon of package quantum dot can absorb red, green light;When wavelength starts less than 450nm, material
Absorption intensity be remarkably reinforced, show wrap up quantum dot carbazyl conjugation microporous polymer microballoon for wavelength be less than or equal to indigo plant
The electromagnetic wave of optical wavelength has strong absorption, illustrates that the material can efficiently use backlight.
The property of the carbazyl conjugation microporous polymer microballoon for the package quantum dot that 1 embodiment 1-7 of table and comparative example 1-5 are provided
It can test result
The optical performance test result for the quantum dot film that 2 embodiment 8-10 of table and comparative example 6 provide
The carbazyl conjugation microporous polymer microballoon of package quantum dot provided by the invention has good specific surface area, divides
It is good to dissipate property, yield and encapsulation ratio, comprehensive performance:Specific surface area is 358-1027m2/ g, yield are at least 82%, encapsulation ratio
At least 70%, dispersibility is at least general;Quantum dot film provided by the invention has good optical property and stability.
Particularly, the comprehensive performance of the carbazyl conjugation microporous polymer microballoon for the package quantum dot that embodiment 1 provides is more preferable:Specific surface
Product is 767m2/ g, yield 99%, encapsulation ratio 98%, dispersibility are very well.The synthesis for the quantum dot film that embodiment 8 provides
Performance is more preferable:Excellent in optical properties, excellent in stability.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of carbazyl of package quantum dot is conjugated microporous polymer microballoon, which is characterized in that the quantum dot is distributed in click
Oxazolyl is conjugated in microporous polymer microballoon.
2. the carbazyl of package quantum dot according to claim 1 is conjugated microporous polymer microballoon, which is characterized in that described
Wrap up a diameter of 50-750nm of the carbazyl conjugation microporous polymer microballoon of quantum dot.
3. the carbazyl of package quantum dot according to claim 1 is conjugated microporous polymer microballoon, which is characterized in that described
Mixture of the quantum dot selected from green quantum dot, red quantum dot or the two.
4. the carbazyl of package quantum dot according to claim 3 is conjugated microporous polymer microballoon, which is characterized in that described
Quantum dot is made of green quantum dot and red quantum dot.
5. the carbazyl of package quantum dot according to claim 4 is conjugated microporous polymer microballoon, which is characterized in that described
The weight ratio of green quantum dot and red quantum dot is 1:1.
6. a kind of carbazyl conjugation microporous polymer microballoon of the package quantum dot prepared described in any one of claim 1-5
Method, which is characterized in that the described method comprises the following steps:
(1) ferric trichloride powder is added to dissolved in the ethanol solution of sodium citrate and CdSe quantum dots, is then dripped dropwise
Solubilization has the chloroformic solution of carbazolyl monomers, room temperature reaction;
(2) the carbazyl conjugation microporous polymer microballoon of package quantum dot is obtained through being filtered, washed, after Soxhlet extraction.
7. the preparation method of the carbazyl conjugation microporous polymer microballoon of package quantum dot according to claim 6, special
Sign is that the rate of charge of the carbazolyl monomers and CdSe quantum dots is 1:0.1-10.
8. the preparation method of the carbazyl conjugation microporous polymer microballoon of package quantum dot according to claim 6, special
Sign is that the rate of charge of the carbazolyl monomers and sodium citrate is 1:0.1-10.
9. a kind of quantum dot film, which is characterized in that the quantum dot film includes quantum dot glue-line, the quantum dot glue-line packet
Include the carbazyl conjugation microporous polymer microballoon of the package quantum dot described in any one of claim 1-5.
10. a kind of application of the quantum dot film described in claim 9, which is characterized in that the quantum dot film is used for liquid
Brilliant display module.
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