CN108977199A - Perovskite quantum dots-polymer composite membrane and preparation method thereof - Google Patents
Perovskite quantum dots-polymer composite membrane and preparation method thereof Download PDFInfo
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- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/66—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing germanium, tin or lead
- C09K11/664—Halogenides
- C09K11/665—Halogenides with alkali or alkaline earth metals
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- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
- C09K11/025—Use of particular materials as binders, particle coatings or suspension media therefor non-luminescent particle coatings or suspension media
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- C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
- C08J2325/02—Homopolymers or copolymers of hydrocarbons
- C08J2325/04—Homopolymers or copolymers of styrene
- C08J2325/06—Polystyrene
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- C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2333/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2333/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C08J2333/10—Homopolymers or copolymers of methacrylic acid esters
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- C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2333/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2333/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C08J2333/10—Homopolymers or copolymers of methacrylic acid esters
- C08J2333/12—Homopolymers or copolymers of methyl methacrylate
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
Abstract
Present disclose provides a kind of preparation methods of perovskite quantum dots-polymer composite membrane comprising: perovskite quantum dot solution is provided；By perovskite quantum dot solution and mixed with polymers, mixed solution is formed；And by mixed solution drop coating in substrate, and through mixed solution of the ultraviolet light drop coating in substrate, perovskite quantum dots-polymer composite membrane is obtained.The disclosure additionally provides a kind of perovskite quantum dots-polymer composite membrane, is prepared by aforementioned preparation process.
Description
Technical field
This disclosure relates to a kind of perovskite quantum dots-polymer composite membrane and preparation method thereof.
Background technique
In field of light emitting materials, perovskite material because have fluorescence quantum yield high (90% or more), emission spectrum compared with
The advantages that narrow (being less than 50nm), obtains the common concern of people.It in recent years, is this for the research of full-inorganic perovskite quantum dot
The hot spot in field.Although full-inorganic perovskite quanta point material has excellent optical property, its solution film forming is poor, surely
Qualitative weak and lead element toxicity restricts their practical application.
Summary of the invention
In order to solve at least one above-mentioned technical problem, present disclose provides a kind of perovskite quantum dots-polymer is compound
The preparation method of film comprising: perovskite quantum dot solution is provided；By perovskite quantum dot solution and mixed with polymers, formed
Mixed solution；And by mixed solution drop coating in substrate, and through mixed solution of the ultraviolet light drop coating in substrate, obtain
To perovskite quantum dots-polymer composite membrane.
According at least one embodiment of the disclosure, perovskite quantum dot includes at least one halogen perovskite quantum
Point, the structural formula of halogen perovskite are CsPbX3, wherein X=Cl, Br or I.
In accordance with another embodiment of the present disclosure, the step of providing perovskite quantum dot solution includes providing halogen calcium titanium
Mine quantum dot solution.Wherein, the step of providing halogen perovskite quantum dot solution includes: to prepare halogen calcium titanium by hot injection method
Mine quantum dot solution.
It is molten to be formed into mixing for perovskite quantum dot solution and mixed with polymers according to the another embodiment of the disclosure
The step of liquid further include: according to volume ratio in 1:1 to mixing perovskite quantum dot solution and polymer between 1:4.
According to the another embodiment of the disclosure, polymer includes epoxy resin, polymethyl methacrylate, polyphenyl second
Alkene or Vinalac 5920.
According to the another embodiment of the disclosure, the wavelength of ultraviolet light is 365nm.
According to the another embodiment of the disclosure, the power of ultraviolet light is 120W-150W.
According to the another embodiment of the disclosure, through ultraviolet light drop coating the mixed solution in substrate the step of
It include: mixed solution 1 to 3 minute through ultraviolet light drop coating in substrate.
The disclosure additionally provides a kind of perovskite quantum dots-polymer composite membrane, is prepared by aforementioned preparation process.
According to the another embodiment of the disclosure, the perovskite quantum dot which includes is CsPbI3Quantum dot,
And the perovskite quantum dots-polymer composite membrane is in the case where wavelength is the excitation of 500nm to 560nm at 689nm
There is emission peak.
Detailed description of the invention
Attached drawing shows the illustrative embodiments of the disclosure, and it is bright together for explaining the principles of this disclosure,
Which includes these attached drawings to provide further understanding of the disclosure, and attached drawing is included in the description and constitutes this
Part of specification.
Fig. 1 is the preparation method according to the perovskite quantum dots-polymer composite membrane of the disclosure at least one embodiment
Flow chart.
Fig. 2 is the hot injection method flow chart according to the perovskite quantum dot solution of the disclosure at least one embodiment.
Fig. 3 is perovskite-epoxy resin composite membrane structural schematic diagram according at least one embodiment of the disclosure.
Fig. 4 is the CsPbI according at least one embodiment of the disclosure3Perovskite quantum dot solution supervises wavelength 685nm
The exciting light spectrogram of control.
Fig. 5 is the CsPbI according at least one embodiment of the disclosure3Perovskite quantum dot solution is in 500nm to 560nm
Exciting light under launching light spectrogram.
Fig. 6 is the CsPbI according at least one embodiment of the disclosure3Perovskite quantum dot solution and CsPbI3Perovskite
Launching light spectrogram of the quantum dots-polymer composite membrane under the excitation of 500nm.
Fig. 7 is the CsPbI according at least one embodiment of the disclosure3Perovskite quantum dots-polymer composite membrane is to wave
The exciting light spectrogram of long 689nm monitoring.
Fig. 8 is the CsPbI according at least one embodiment of the disclosure3Perovskite quantum dots-polymer composite membrane exists
Launching light spectrogram under the exciting light of 500nm to 560nm.
Specific embodiment
The disclosure is described in further detail with embodiment with reference to the accompanying drawing.It is understood that this place
The specific embodiment of description is only used for explaining related content, rather than the restriction to the disclosure.It also should be noted that being
Convenient for description, part relevant to the disclosure is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the disclosure can
To be combined with each other.The disclosure is described in detail below with reference to the accompanying drawings and in conjunction with embodiment.
In at least one embodiment of the disclosure, present disclose provides a kind of perovskite quantum dots-polymer is compound
The preparation method of film, as shown in Figure 1, itself the following steps are included:
S1: perovskite quantum dot solution is provided；
S2: by perovskite quantum dot solution and mixed with polymers, mixed solution is formed；
S3: it by mixed solution drop coating in substrate, and through mixed solution of the ultraviolet light drop coating in substrate, obtains
Perovskite quantum dots-polymer composite membrane.
In accordance with another embodiment of the present disclosure, perovskite quantum dot includes at least one halogen perovskite quantum dot,
The structural formula of halogen perovskite is CsPbX3, wherein X=Cl, Br or I.
In accordance with another embodiment of the present disclosure, the step of providing perovskite quantum dot solution further includes providing halogen calcium
Titanium ore quantum dot solution.Wherein, the step of providing halogen perovskite quantum dot solution includes: to prepare halogen calcium by hot injection method
Titanium ore quantum dot solution.
In an illustrative embodiments according to the disclosure, hot injection method prepares CsPbX3Perovskite quantum dot solution
The following steps are included: by Cs2CO3It is uniformly mixed with octadecylene, oleic acid, is stirred one hour under 120 DEG C, inert atmosphere；By temperature
150 DEG C are raised to, continues to stir, until all Cs2CO3It is complete with oleic acid total overall reaction, reduce the temperature to 100 DEG C, as before oleic acid caesium
Drive liquid solution；By PbX2It is uniformly mixed with octadecylene, oleic acid, oleyl amine, is stirred under 120 DEG C, inert atmosphere, until PbX2All
Dissolution；And temperature is risen to 150 DEG C, oleic acid caesium precursor solution is rapidly injected, after reacting 5s, ice-water bath is cooled to room
Temperature after centrifuge separation, is distributed in n-hexane solvent.
It below will be with CsPbI3For, as shown in Fig. 2, specifically describe perovskite quantum dot solution preparation process and
The proportion situation of chemical reagent used.Firstly, by the Cs of 0.814g2CO3It is mixed with octadecylene (ODE), the oleic acid of 2.5mL of 40mL
It closes in the three-necked flask of 100mL, in 120 DEG C, N2It is stirred one hour under atmosphere.Then, temperature 150 DEG C are raised to stir energetically
It mixes, until all Cs2CO3It is complete with oleic acid total overall reaction, 100 DEG C are then reduced the temperature to again, the oleic acid caesium as prepared
Precursor solution.In addition, by the PbI of 0.087g225mL is blended in the oleyl amine of the octadecylene of 5mL, the oleic acid of 0.5mL, 0.5mL
Three-necked flask in, in 120 DEG C, N2Heating stirring under atmosphere, until all PbI2All after dissolution, temperature is risen to 150
DEG C, the oleic acid caesium precursor solution of 0.4mL is rapidly injected, after reacting 5s, ice-water bath is cooled to room temperature, is through revolving speed
After the centrifugation purification of 6000rmp, it is distributed in hexane solution and saves.If required final product amount is different, preparation
The amount of chemical reagent used can be calculated according to proportion situation is given above.The preparation of other perovskite quantum dot solutions
It is referred to reactant ratio given above, specific chemical equation and molecular weight to be calculated, be omitted herein.
It is molten to be formed into mixing for perovskite quantum dot solution and mixed with polymers according to the another embodiment of the disclosure
The step of liquid further include: according to volume ratio in 1:1 to mixing perovskite quantum dot solution and polymer between 1:4.
According to the another embodiment of the disclosure, polymer may include epoxy resin, polymethyl methacrylate, gather
Styrene or Vinalac 5920.
For relatively stable CsPbCl3And CsPbBr3For perovskite quantum dot, epoxy resin, poly- methyl can be selected
Methyl acrylate, polystyrene or Vinalac 5920 etc. are used as polymeric matrix.But it is very poor for stability
CsPbI3Perovskite quantum dot selects epoxy resin, calcium titanium to be prepared after the ultraviolet light of short time (1-3min)
Mine quantum dots-polymer composite membrane.
Specifically, with CsPbI3For quantum dot solution, mixed volume ratio 1:1, take perovskite quantum dot solution 0.5ml,
Epoxy resin 0.5ml is mixed.Before mixing, epoxy resin is heated to its softening point or more, to guarantee good mobility
With mixed uniformity.Finally, according to the difference of mixed volume ratio, the CsPbI that is prepared3Quantum dot solution and epoxy resin
Mixed solution viscosity between 205-600cps.Mixing liquid in this range of viscosities ensure that the smooth of subsequent drop coating
It carries out.
According to the another embodiment of the disclosure, the wavelength of ultraviolet light is 365nm.
According to the another embodiment of the disclosure, the power of ultraviolet light is 120W-150W.
According to the another embodiment of the disclosure, through ultraviolet light drop coating the mixed solution in substrate the step of
It include: mixed solution 1 to 3 minute through ultraviolet light drop coating in substrate.
The detailed process of step S3 is described in detail below in conjunction with illustrative embodiments.Show according to one of the disclosure
In example property embodiment, suitable mixed solution is taken with syringe with a scale, is accurately controlled using the scale on syringe every
The liquor capacity of secondary drop coating.The mixed solution of certain volume is squeezed out from syringe, is dripped at substrate appropriate (for example, glass)
On.In order to improve wellability of the solution in substrate, substrate surface can be handled before drop coating, for example, acid processing,
Ozone clean, plasma cleaning etc..When drop coating, substrate can also slowly be rotated, so that mixing liquid is uniformly spread out on matrix.
After the completion of drop coating, the substrate with mixed solution is placed under ultraviolet light and is irradiated.Irradiation time regards the power of the amount of liquid, ultraviolet light
It determines, amount of liquid is more, and uv power is lower, and irradiation time is longer.When uv power is 120W-150W, when irradiation
Between between 1 to 3 minute.After irradiation, substrate is removed, just obtains perovskite quantum dots-polymer composite membrane.However,
It will be understood by those skilled in the art that can also be by other suitable modes come implementation steps S3, the disclosure is not restricted to this.
The disclosure additionally provides a kind of perovskite quantum dots-polymer composite membrane, is prepared by aforementioned preparation process.
According to the another embodiment of the disclosure, the perovskite quantum dot which includes is CsPbI3Quantum dot,
And perovskite quantum dots-polymer composite membrane goes out at 689nm in the case where wavelength is the excitation of 500nm to 560nm
Existing emission peak.
Several specific examples are presented below, illustrate the preparation process, made of perovskite quantum dots-polymer composite membrane
The performance of standby composite membrane and its possible application scenarios.
Example 1
S11, CsPbI is provided3Perovskite quantum dot solution；
S12, prepared perovskite quantum dot solution and polymer are sufficiently stirred according to volume ratio for 1:2, mixing is equal
It is even；
S13, by the way of drop coating by the mixed solution of the two drop on the glass sheet, irradiated under the ultraviolet light of 365nm
1-3min obtains perovskite quantum dots-polymer composite membrane.
Fig. 3 is the structure chart of the perovskite quantum dots-polymer composite membrane of the method preparation through this example 1, it can be seen that
Perovskite quantum dot is dispersed in epoxy matrix material.
Fig. 4 is CsPbI prepared in example 13The excitation spectrum that perovskite quantum dot solution monitors wavelength 685nm
Figure.Excitation spectrum is the variation feelings of the fluorescence intensity at a certain wavelength that fluorescent material measures under the excitation light action of different wave length
Condition, that is, different wave length exciting light relative efficiency.From fig. 4, it can be seen that the equal energy of the exciting light of 500nm-650nm wave band
To prepared CsPbI3Perovskite quantum dot solution inspires the fluorescence that stronger wavelength is 685nm.Fig. 5 is in example 1
Prepared CsPbI3Transmitting spectrogram of the perovskite quantum dot solution in the excitation of 500nm-560nm wave band.Transmitting
Spectrum is distribution situation of the fluorescence intensity at different wave length under the excitation light action of a certain fixed wave length, that is, in fluorescence not
The relative intensity of the light ingredient of co-wavelength.As seen from Figure 5, with the light of green light band, the i.e. light of 500nm-560nm wave band,
Excite CsPbI3When perovskite quantum dot solution, sample has very strong emission peak, i.e. CsPbI at 685nm3Perovskite quantum dot
Green light can be effectively converted into feux rouges by solution.
Fig. 6 is CsPbI3Perovskite quantum dot solution and CsPbI3Perovskite quantum dots-polymer composite membrane is 500nm's
Emission spectrum comparison diagram under excitation.From in Fig. 6 it is apparent that after introducing polymer, the hair of sample
Penetrate peak position only red shift 4nm, it is seen that the luminescent properties of prepared perovskite quantum dots-polymer composite membrane do not have substantially
It changes.
Fig. 7 is the excitation spectrum that the perovskite quantum dots-polymer composite membrane prepared in example 1 monitors wavelength 689nm
Figure, Fig. 8 are the perovskite quantum dots-polymer composite membranes that prepare in example 1 in the excitation of 500nm-560nm wave band
Transmitting map.As can be seen that the composite membrane effectively the nonabsorbable green light of plant (500-560nm) can be converted to it is red
Light (689nm), to promote plant to the utilization rate of light, reaches so as to which the composite membrane is used as conversion film and improves plant
Photosynthetic purpose.
Example 2
S21, CsPbI is provided3Perovskite quantum dot solution；
S22, prepared perovskite quantum dot solution and polymer are sufficiently stirred according to volume ratio for 1:1, mixing is equal
It is even；
S23, by the way of drop coating by the mixed solution of the two drop on the glass sheet, irradiated under the ultraviolet lamp of 365nm
1-3min obtains perovskite quantum dots-polymer composite membrane.
Example 3
S31, CsPbI is provided3Perovskite quantum dot solution；
S32, prepared perovskite quantum dot solution and polymer are sufficiently stirred according to volume ratio for 1:3, mixing is equal
It is even；
S33, by the way of drop coating by the mixed solution of the two drop on the glass sheet, irradiated under the ultraviolet lamp of 365nm
1-3min obtains perovskite quantum dots-polymer composite membrane.
Example 4
S41, CsPbI is provided3Perovskite quantum dot solution；
S42, prepared perovskite quantum dot solution and polymer are sufficiently stirred according to volume ratio for 1:4, mixing is equal
It is even；
S43, by the way of drop coating by the mixed solution of the two drop on the glass sheet, irradiated under the ultraviolet lamp of 365nm
1-3min obtains perovskite quantum dots-polymer composite membrane.
The CsPbI being previously mentioned in example 1-43Perovskite quantum dot solution can pass through hot injection method described in the disclosure
It obtains.The composite membrane of example 2-4 preparation equally can effectively be converted to the nonabsorbable green light of plant (500-560nm) red
Light (689nm) achievees the purpose that improve photosynthesis of plant so as to promote plant to the utilization rate of light.
Composite membrane prepared by the disclosure can be applied in illumination (for example, LED other than the function of mentioning in text
Lamp), the directions such as display device, optical waveguide.
By the preparation method of perovskite quantum dots-polymer composite membrane provided by the disclosure, by perovskite quantum dot
Solution is combined together with polymer, in short polymerization reaction time, the luminosity for the perovskite quantum dot that do not have an impact, together
When also solve the toxicity problem containing lead element.Prepared film under the excitation of 500nm to 560nm wave band,
The transmitting peak position of 689nm is generated, the nonabsorbable green light of plant institute effectively can be converted into feux rouges, be planted so as to be promoted
Object achievees the purpose that improve photosynthesis of plant to the utilization rate of light.
It will be understood by those of skill in the art that above embodiment is used for the purpose of clearly demonstrating the disclosure, and simultaneously
Non- be defined to the scope of the present disclosure.For those skilled in the art, may be used also on the basis of disclosed above
To make other variations or modification, and these variations or modification are still in the scope of the present disclosure.
Claims (10)
1. a kind of preparation method of perovskite quantum dots-polymer composite membrane, which is characterized in that the perovskite quantum dot-is poly-
Close object composite membrane preparation method include:
Perovskite quantum dot solution is provided；
By the perovskite quantum dot solution and mixed with polymers, mixed solution is formed；And
By the mixed solution drop coating in substrate, and it is molten by the mixing of ultraviolet light drop coating on the substrate
Liquid obtains the perovskite quantum dots-polymer composite membrane.
2. the preparation method of perovskite quantum dots-polymer composite membrane according to claim 1, which is characterized in that described
Perovskite quantum dot includes at least one halogen perovskite quantum dot, and the structural formula of the halogen perovskite is CsPbX3, wherein X
=Cl, Br or I.
3. the preparation method of perovskite quantum dots-polymer composite membrane according to claim 2, which is characterized in that provide
The step of perovskite quantum dot solution includes the offer halogen perovskite quantum dot solution, wherein
The step of providing the halogen perovskite quantum dot solution includes: to prepare the halogen perovskite quantum by hot injection method
Point solution.
4. the preparation method of perovskite quantum dots-polymer composite membrane according to claim 1, which is characterized in that by institute
The step of stating perovskite quantum dot solution and mixed with polymers, forming mixed solution further include: according to volume ratio in 1:1 to 1:4
Between mix the perovskite quantum dot solution and the polymer.
5. the preparation method of perovskite quantum dots-polymer composite membrane according to claim 1, which is characterized in that described
Polymer includes epoxy resin, polymethyl methacrylate, polystyrene or Vinalac 5920.
6. the preparation method of perovskite quantum dots-polymer composite membrane according to claim 1, which is characterized in that described
The wavelength of ultraviolet light is 365nm.
7. the preparation method of perovskite quantum dots-polymer composite membrane according to claim 1, which is characterized in that described
The power of ultraviolet light is 120W-150W.
8. the preparation method of perovskite quantum dots-polymer composite membrane according to claim 1, which is characterized in that pass through
The step of ultraviolet light drop coating mixed solution on the substrate includes: by the ultraviolet light drop coating in institute
State the mixed solution 1 to 3 minute in substrate.
9. a kind of perovskite quantum dots-polymer composite membrane, which is characterized in that the perovskite quantum dots-polymer composite membrane
Pass through the preparation method preparation of any one of claim 1 to 8.
10. perovskite quantum dots-polymer composite membrane according to claim 9, which is characterized in that the perovskite quantum
Point is CsPbI3Quantum dot, and the perovskite quantum dots-polymer composite membrane is in the excitation that wavelength is 500nm to 560nm
Occurs emission peak at 689nm under light excitation.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109860379A (en) * | 2018-12-30 | 2019-06-07 | 合肥乐凯科技产业有限公司 | A kind of full-inorganic perovskite quantum dot polychrome luminescent film and preparation method thereof |
| CN110707219A (en) * | 2019-10-14 | 2020-01-17 | 合肥乐凯科技产业有限公司 | Organic-inorganic perovskite quantum dot film and preparation method thereof |
| CN110804233A (en) * | 2019-09-27 | 2020-02-18 | 苏州星烁纳米科技有限公司 | Perovskite quantum dot composite film and preparation method thereof |
| CN111690203A (en) * | 2019-03-14 | 2020-09-22 | 苏州星烁纳米科技有限公司 | Preparation method of quantum dot-polymer composite |
| CN111875895A (en) * | 2020-07-20 | 2020-11-03 | 宁波东旭成新材料科技有限公司 | Preparation method of perovskite quantum dot film |
| CN112029494A (en) * | 2019-06-04 | 2020-12-04 | 致晶科技（北京）有限公司 | Perovskite nano material, composite luminescent material containing perovskite nano material, and preparation method and application of perovskite nano material |
| CN113088026A (en) * | 2021-04-06 | 2021-07-09 | 温州大学 | Ag-CsPbX3PMMA nanocomposite material and preparation method and application thereof |
| CN113912113A (en) * | 2021-09-30 | 2022-01-11 | 上海应用技术大学 | Method for assembling plant device containing lead-free double perovskite quantum dot crystals |
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| CN110804233A (en) * | 2019-09-27 | 2020-02-18 | 苏州星烁纳米科技有限公司 | Perovskite quantum dot composite film and preparation method thereof |
| CN110707219A (en) * | 2019-10-14 | 2020-01-17 | 合肥乐凯科技产业有限公司 | Organic-inorganic perovskite quantum dot film and preparation method thereof |
| CN110707219B (en) * | 2019-10-14 | 2022-09-27 | 合肥乐凯科技产业有限公司 | Organic-inorganic perovskite quantum dot film and preparation method thereof |
| CN111875895A (en) * | 2020-07-20 | 2020-11-03 | 宁波东旭成新材料科技有限公司 | Preparation method of perovskite quantum dot film |
| CN113088026A (en) * | 2021-04-06 | 2021-07-09 | 温州大学 | Ag-CsPbX3PMMA nanocomposite material and preparation method and application thereof |
| CN113912113A (en) * | 2021-09-30 | 2022-01-11 | 上海应用技术大学 | Method for assembling plant device containing lead-free double perovskite quantum dot crystals |
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