CN110540622A - Preparation method of quantum dot composite and quantum dot composite prepared by same - Google Patents
Preparation method of quantum dot composite and quantum dot composite prepared by same Download PDFInfo
- Publication number
- CN110540622A CN110540622A CN201910732129.4A CN201910732129A CN110540622A CN 110540622 A CN110540622 A CN 110540622A CN 201910732129 A CN201910732129 A CN 201910732129A CN 110540622 A CN110540622 A CN 110540622A
- Authority
- CN
- China
- Prior art keywords
- monomer
- quantum dot
- dot composite
- modified
- hyperbranched polymer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F292/00—Macromolecular compounds obtained by polymerising monomers on to inorganic materials
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/88—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing selenium, tellurium or unspecified chalcogen elements
- C09K11/881—Chalcogenides
- C09K11/883—Chalcogenides with zinc or cadmium
Abstract
the application discloses a preparation method of a quantum dot composite, which comprises the following steps: s1, mixing the quantum dots with the first monomer to obtain quantum dots modified by the first monomer; s2, adding a second monomer into the quantum dot modified by the first monomer, and reacting the second monomer with the first monomer to form a hyperbranched polymer to obtain a quantum dot composite modified by the hyperbranched polymer; wherein, the first monomer and the second monomer respectively comprise at least one of double bonds and triple bonds. The application makes the added monomers mutually react, modifies the compact hyperbranched polymer layer on the surface of the quantum dot, thereby obtaining the quantum dot compound with high stability, effectively reducing the influence of water vapor on the luminescent performance of the quantum dot in the external environment, and further expanding the application and application range of the quantum dot.
Description
Technical Field
The application belongs to the field of nano materials, and particularly relates to a preparation method of a quantum dot composite and the quantum dot composite prepared by the same.
Background
the quantum dots have excellent optical properties such as controllable particle size, uniform dispersion, high excitation conversion efficiency and the like, and have great application prospects in the fields of display, illumination and the like.
In the prior art, the quantum dots are easily affected by external environments such as water vapor and the like, so that the stability of the quantum dots is poor, the optical performance is reduced, and the subsequent application and use of the quantum dots are affected. Therefore, there is a need for improvements in quantum dots of the prior art.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a method for preparing a quantum dot composite, so as to improve the stability of quantum dots and expand the application range of quantum dots.
According to an aspect of the present application, there is provided a method of preparing a quantum dot composite, including the steps of:
S1, mixing the quantum dots with the first monomer to obtain quantum dots modified by the first monomer;
S2, adding a second monomer into the quantum dot modified by the first monomer, and reacting the second monomer with the first monomer to form a hyperbranched polymer, so as to obtain a quantum dot composite modified by the hyperbranched polymer;
Wherein the first monomer and the second monomer respectively comprise at least one of double bonds and triple bonds.
Further, the first monomer includes a metal coordinating group attached to the quantum dot, the metal coordinating group including at least one thiol group, or at least one carboxyl group, or at least one amino group, or at least one hydroxyl group, or at least one phosphonic acid group, or any combination thereof.
further, the second monomer comprises at least two double bonds, or at least two triple bonds, or at least one double bond and at least one triple bond.
Further, the molecular weight of the first monomer is not less than 40.
further, the molecular weight of the second monomer is not less than 80.
further, the step of adding an initiator is also included in the step of S2.
Further, the initiator comprises at least one of organic peroxide, azo initiator and butyl lithium.
Further, the preparation method of the quantum dot composite comprises the following steps:
S2', adding N second monomers into the quantum dots modified by the first monomers, and reacting the first monomers and the N second monomers with each other to form a hyperbranched polymer, so as to obtain a quantum dot composite modified by the hyperbranched polymer;
Wherein N is more than or equal to 2, and the first monomer and the N second monomers respectively comprise at least one of double bonds and triple bonds.
further, at least one of the N second monomers comprises at least two double bonds, or at least two triple bonds, or at least one double bond and at least one triple bond.
According to another aspect of the present application, there is provided a quantum dot composite comprising a quantum dot and a hyperbranched polymer bound to the quantum dot, the quantum dot composite being prepared by the method for preparing the quantum dot composite according to any one of the above aspects.
Borrow by above-mentioned scheme, the beneficial effect of this application lies in:
The application makes the added monomers mutually react, modifies the compact hyperbranched polymer layer on the surface of the quantum dot, thereby obtaining the quantum dot compound with high stability, effectively reducing the influence of water vapor on the luminescent performance of the quantum dot in the external environment, and further expanding the application and application range of the quantum dot.
the preparation method of the quantum dot composite is simple, efficient, easy to operate and suitable for large-scale popularization and use.
Detailed Description
the technical solutions in the examples of the present application will be described in detail below with reference to the embodiments of the present application. It should be noted that the described embodiments are only some embodiments of the present application, and not all embodiments.
Unless defined otherwise, technical or scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. As used in this application, the terms "first," "second," and the like do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The use of the terms "comprising" or "including" and the like in this application is intended to cover the elements or items listed before or after the term and their equivalents, without excluding other elements or items.
According to a preferred embodiment of the present application, there is first provided a method for preparing a quantum dot composite, including the steps of:
S1, mixing the quantum dots with the first monomer to obtain quantum dots modified by the first monomer;
s2, adding a second monomer into the quantum dot modified by the first monomer, and reacting the second monomer with the first monomer to form a hyperbranched polymer to obtain a quantum dot composite modified by the hyperbranched polymer;
Wherein, the first monomer and the second monomer respectively comprise at least one of double bonds and triple bonds.
In the prior art, organic ligands such as acid ligands, amine ligands, phosphorus ligands and the like are generally directly coated on quantum dots, so that the growth process of the quantum dots is restrained, and a quantum dot dispersion system is conveniently obtained for subsequent application. However, these quantum dots have poor stability, and thus have a limited range of applications.
in the present application, the inventors found that by the method of the present application, the added monomers are reacted with each other and the hyperbranched polymer is modified on the surface of the quantum dot, so that the hyperbranched polymer can be tightly modified and coated on the surface of the quantum dot, thereby obtaining a quantum dot composite with high stability.
According to a preferred embodiment of the present application, the first monomer comprises a metal coordinating group attached to the quantum dot.
According to a preferred embodiment of the present application, the metal coordinating group comprises at least one thiol group, or at least one carboxyl group, or at least one amino group, or at least one hydroxyl group, or at least one phosphonic acid group, or any combination thereof.
In a preferred embodiment of the present application, the metal coordinating group comprises one of a dimercapto, or a diamino, or a dicarboxyl, or a dihydroxy, or a diphosphonic acid group. Preferably, the carbon atoms to which two sulfhydryl groups, or two hydroxyl groups, or two amino groups, or two carboxyl groups, or two phosphonic acid groups are attached are adjacent. In a specific embodiment of the present application, the metal coordinating group is selected from one of dihydrolipoic acid, or dopamine, or succinic acid, or succinic anhydride.
According to a preferred embodiment of the present application, the second monomer comprises at least two double bonds, or at least two triple bonds, or at least one double bond and at least one triple bond.
According to a preferred embodiment of the present application, the molecular weight of the first monomer is not less than 40.
According to a preferred embodiment of the present application, the molecular weight of the first monomer is not less than 80.
According to a preferred embodiment of the present application, S2 further comprises the step of adding an initiator.
In a preferred embodiment of the present application, a method for preparing a quantum dot composite includes the steps of:
s1, mixing the quantum dots with the first monomer to obtain quantum dots modified by the first monomer;
S2, adding a second monomer and an initiator into the quantum dot modified by the first monomer, and reacting the second monomer with the first monomer to form a hyperbranched polymer to obtain a quantum dot composite modified by the hyperbranched polymer;
Wherein, the first monomer and the second monomer respectively comprise at least one of double bonds and triple bonds.
according to a preferred embodiment of the present application, the initiator comprises at least one of an organic peroxide, an azo-type initiator, butyl lithium.
in a preferred embodiment herein, the organic peroxide comprises at least one of cyclohexanone peroxide, dibenzoyl peroxide, lauroyl peroxide, t-butyl hydroperoxide.
in a preferred embodiment of the present application, the azo-based initiator includes at least one of azobisisobutyronitrile and azobisisoheptonitrile.
According to a preferred embodiment of the present application, a method for preparing a quantum dot composite includes the steps of:
S2', adding N second monomers into the quantum dots modified by the first monomers, and reacting the first monomers and the N second monomers with each other to form a hyperbranched polymer, so as to obtain a quantum dot composite modified by the hyperbranched polymer;
wherein N is more than or equal to 2, and the first monomer and the N second monomers respectively comprise at least one of double bonds and triple bonds.
According to a preferred embodiment of the present application, at least one of the N second monomers comprises at least two double bonds, or at least two triple bonds, or at least one double bond and at least one triple bond.
According to a preferred embodiment of the present application, the quantum dots comprise at least one of group II-VIA compounds, group IV-VIA compounds, group III-VA compounds, group I-VIA compounds, copper indium sulfide, copper indium selenide. Preferably, the group I element comprises at least one element from the group consisting of copper and silver, the group II element comprises at least one element from the group consisting of zinc, cadmium and mercury, the group III element comprises at least one element from the group consisting of aluminum, gallium and indium, the group IV element comprises at least one element from the group consisting of silicon, germanium, tin and lead, the group VA element comprises at least one element from the group consisting of nitrogen, phosphorus and arsenic, and the group VIA element comprises at least one element from the group consisting of sulfur, selenium and tellurium.
According to a preferred embodiment of the present application, the quantum dot further comprises a perovskite-structured quantum dot.
According to a preferred embodiment of the present application, the quantum dots further comprise semiconductor nanocrystals chemically doped with one or more transition metal cations.
In a preferred embodiment of the present application, the quantum dot has one of a single core structure, a core-single layer shell structure, and a core-multiple layer shell structure. In a specific embodiment of the present application, the quantum dots are of a core-single shell structure, wherein the core comprises at least one of CdSe, CdS, CdTe, ZnTe, ZnSe, ZnS, InP, InAs, GaN, GaP, InZnP, ingagap, InGaZnP, GaAs, CdZnSe, CdZnSeS, CdZnS, CdZnTe, and InZnAs, and the shell comprises at least one of ZnS, ZnSe, ZnSeS, CdS, CdSeS, ZnTe, CdZnTe.
There is also provided, in accordance with a preferred embodiment of the present application, a quantum dot composite, including: quantum dots and hyperbranched polymers combined with the quantum dots, wherein the quantum dot composite is prepared by the following steps:
S1, mixing the quantum dots with the first monomer to obtain quantum dots modified by the first monomer;
S2, adding a second monomer into the quantum dot modified by the first monomer, and reacting the second monomer with the first monomer to form a hyperbranched polymer to obtain a quantum dot composite modified by the hyperbranched polymer;
Wherein, the first monomer and the second monomer respectively comprise at least one of double bonds and triple bonds.
According to a preferred embodiment of the present application, the first monomer comprises a metal coordinating group attached to the quantum dot.
according to a preferred embodiment of the present application, the metal coordinating group comprises at least one thiol group, or at least one carboxyl group, or at least one amino group, or at least one hydroxyl group, or at least one phosphonic acid group, or any combination thereof.
In a preferred embodiment of the present application, the metal coordinating group comprises one of a dimercapto, or a diamino, or a dicarboxyl, or a dihydroxy, or a diphosphonic acid group. Preferably, the carbon atoms to which two sulfhydryl groups, or two hydroxyl groups, or two amino groups, or two carboxyl groups, or two phosphonic acid groups are attached are adjacent. In a specific embodiment of the present application, the metal coordinating group is selected from one of dihydrolipoic acid, or dopamine, or succinic acid, or succinic anhydride.
According to a preferred embodiment of the present application, the second monomer comprises at least two double bonds, or at least two triple bonds, or at least one double bond and at least one triple bond.
According to a preferred embodiment of the present application, the molecular weight of the first monomer is not less than 40.
according to a preferred embodiment of the present application, the molecular weight of the first monomer is not less than 80.
According to a preferred embodiment of the present application, S2 further comprises the step of adding an initiator.
In a preferred embodiment of the present application, the method for preparing the quantum dot composite comprises the steps of:
S1, mixing the quantum dots with the first monomer to obtain quantum dots modified by the first monomer;
s2, adding a second monomer and an initiator into the quantum dot modified by the first monomer, and reacting the second monomer with the first monomer to form a hyperbranched polymer to obtain a quantum dot composite modified by the hyperbranched polymer;
Wherein, the first monomer and the second monomer respectively comprise at least one of double bonds and triple bonds.
According to a preferred embodiment of the present application, the initiator comprises at least one of an organic peroxide, an azo-type initiator, butyl lithium.
In a preferred embodiment herein, the organic peroxide comprises at least one of cyclohexanone peroxide, dibenzoyl peroxide, lauroyl peroxide, t-butyl hydroperoxide.
In a preferred embodiment of the present application, the azo-based initiator includes at least one of azobisisobutyronitrile and azobisisoheptonitrile.
According to a preferred embodiment of the present application, the method for preparing the quantum dot composite includes the steps of:
s2', adding N second monomers into the quantum dots modified by the first monomers, and reacting the first monomers and the N second monomers with each other to form a hyperbranched polymer, so as to obtain a quantum dot composite modified by the hyperbranched polymer;
Wherein N is more than or equal to 2, and the first monomer and the N second monomers respectively comprise at least one of double bonds and triple bonds.
According to a preferred embodiment of the present application, at least one of the N second monomers comprises at least two double bonds, or at least two triple bonds, or at least one double bond and at least one triple bond.
Hereinafter, embodiments of the present invention will be described in more detail with reference to examples. However, they are exemplary embodiments of the present invention, and the present invention is not limited thereto.
Example 1
Preparation of a quantum dot composite comprising the steps of:
S1, mixing the CdZnSe/CdZnS/ZnS quantum dots with octene containing mercapto end groups to obtain a first mixture;
s2, adding the tripropenylmethane and the dibenzoyl peroxide into the first mixture of S1 to obtain the quantum dot composite.
Example 2
preparation of a quantum dot composite comprising the steps of:
S1, mixing the CdZnSe/CdZnS/ZnS quantum dots with octene containing mercapto end groups to obtain a first mixture;
S2, adding the tripropenylmethane, the 1, 3-pentadiene and the dibenzoyl peroxide into the first mixture of S1 to obtain the quantum dot composite.
Example 3
Preparation of a quantum dot composite comprising the steps of:
s1, mixing the CdZnSe/CdZnS/ZnS quantum dots with octene containing mercapto end groups to obtain a first mixture;
S2, adding triallyl methane, 1, 3-pentadiene, 4' -di-p-propenyl bisphenol A and dibenzoyl peroxide into the first mixture of S1 to obtain the quantum dot composite.
Comparative example
a quantum dot composite, comprising:
CdZnSe/CdZnS/ZnS quantum dots;
and the octanethiol ligand is combined with the CdZnSe/CdZnS/ZnS quantum dots.
characterization of the test
In order to verify the stability of the quantum dot composites of the present application, according to a preferred embodiment of the present application, the following characterization tests were performed on the quantum dot composites of examples 1 to 3 of the present application, comparative examples:
The quantum dot composites disclosed in the above examples and comparative examples were used to prepare corresponding quantum dot films, each having a thickness of 250 μm. And placing the quantum dot films in an oven with the relative humidity of 95% and the temperature of 60 ℃ for aging test, irradiating the quantum dot films by using blue light, and respectively recording the initial brightness of the quantum dot films and the brightness after 120h, 360h and 720h of irradiation, so as to test the stability of the quantum dot films and deduce the stability of corresponding quantum dot composites, wherein the specific test results are shown in the following table.
In the following table, the initial luminance (0h) of the quantum dot film is represented as 1, and the data columns record the ratio of the luminance of 0h, 120h, 360h, and 720h to the initial luminance, respectively.
| 0h | 120h | 360h | 720h | |
| example 1 | 1.00 | 0.89 | 0.84 | 0.80 |
| Example 2 | 1.00 | 0.94 | 0.87 | 0.83 |
| Example 3 | 1.00 | 0.98 | 0.94 | 0.91 |
| comparative example | 1.00 | 0.82 | 0.70 | 0.55 |
as can be seen from the above table, after 720h, the ratio of the luminance decay of the quantum dot films prepared from the quantum dot composites of examples 1 to 3 is significantly smaller than that of the quantum dot films prepared from the comparative examples, so that it can be verified that the quantum dot composites disclosed in the embodiments of the present application have strong stability.
Although the present disclosure has been described and illustrated in greater detail by the inventors, it should be understood that modifications and/or alterations to the above-described embodiments, or equivalent substitutions, will be apparent to those skilled in the art without departing from the spirit of the disclosure, and that no limitations to the present disclosure are intended or should be inferred therefrom.
Claims (10)
1. a preparation method of a quantum dot composite is characterized by comprising the following steps:
s1, mixing the quantum dots with the first monomer to obtain quantum dots modified by the first monomer;
s2, adding a second monomer into the quantum dot modified by the first monomer, and reacting the second monomer with the first monomer to form a hyperbranched polymer, so as to obtain a quantum dot composite modified by the hyperbranched polymer;
wherein the first monomer and the second monomer respectively comprise at least one of double bonds and triple bonds.
2. The method of claim 1, wherein the first monomer comprises a metal coordinating group attached to the quantum dot, and the metal coordinating group comprises at least one thiol group, or at least one carboxyl group, or at least one amino group, or at least one hydroxyl group, or at least one phosphonic acid group, or any combination thereof.
3. The method of claim 1, wherein the second monomer comprises at least two double bonds, or at least two triple bonds, or at least one double bond and at least one triple bond.
4. The method of claim 1, wherein the first monomer has a molecular weight of not less than 40.
5. The method of claim 1, wherein the molecular weight of the second monomer is not less than 80.
6. The method of claim 1, wherein the step of adding an initiator is further included in S2.
7. the method of claim 7, wherein the initiator comprises at least one of organic peroxides, azo initiators, and butyl lithium.
8. The method of preparing a quantum dot composite according to claim 1, comprising the steps of:
s2', adding N second monomers into the quantum dots modified by the first monomers, and reacting the first monomers and the N second monomers with each other to form a hyperbranched polymer, so as to obtain a quantum dot composite modified by the hyperbranched polymer;
wherein N is more than or equal to 2, and the first monomer and the N second monomers respectively comprise at least one of double bonds and triple bonds.
9. The method of claim 8, wherein at least one of the N second monomers comprises at least two double bonds, or at least two triple bonds, or at least one double bond and at least one triple bond.
10. A quantum dot composite comprising a quantum dot and a hyperbranched polymer bound to the quantum dot, wherein the quantum dot composite is prepared by the method of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910732129.4A CN110540622A (en) | 2019-08-09 | 2019-08-09 | Preparation method of quantum dot composite and quantum dot composite prepared by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910732129.4A CN110540622A (en) | 2019-08-09 | 2019-08-09 | Preparation method of quantum dot composite and quantum dot composite prepared by same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110540622A true CN110540622A (en) | 2019-12-06 |
Family
ID=68710206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910732129.4A Pending CN110540622A (en) | 2019-08-09 | 2019-08-09 | Preparation method of quantum dot composite and quantum dot composite prepared by same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110540622A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022254601A1 (en) * | 2021-06-02 | 2022-12-08 | シャープ株式会社 | Nanoparticle-containing film, light-emitting element, production method for nanoparticle-containing film |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070082385A (en) * | 2006-02-16 | 2007-08-21 | 삼성전자주식회사 | Quantum dot electroluminescence device and the manufacturing method for the same |
| CN102585801A (en) * | 2012-01-29 | 2012-07-18 | 上海交通大学 | Preparation method of quantum dot-hyperbranched polyether nanocomposite-nitrogen oxide fluorescent probe |
| CN104237182A (en) * | 2014-09-05 | 2014-12-24 | 江苏大学 | Preparation method and application of Mn-doped ZnS quantum dot imprinted sensor |
| CN104744649A (en) * | 2015-03-19 | 2015-07-01 | 江苏大学 | Preparation method of CdTe quantum dot fluorescent cyfluthrin imprinted sensor |
| CN105131207A (en) * | 2015-07-16 | 2015-12-09 | 复旦大学 | Core halo/core-shell halo structure fluorescent microgel having double responsiveness and preparation method thereof |
| CN105131199A (en) * | 2015-08-28 | 2015-12-09 | 吴奇 | Preparation and preparing method and application thereof |
| CN105968774A (en) * | 2016-05-13 | 2016-09-28 | 吉林大学 | Hyperbranched polyaryletherketone/CdS quantum dot nano composite material and preparation method thereof |
| CN106032468A (en) * | 2015-12-31 | 2016-10-19 | 苏州星烁纳米科技有限公司 | Polymerizable quantum dot and application thereof |
| CN106083573A (en) * | 2016-07-01 | 2016-11-09 | 京东方科技集团股份有限公司 | Organic ligand and preparation method, quantum dot, quantum dot layer and Light-Emitting Diode |
| CN107602757A (en) * | 2017-09-08 | 2018-01-19 | 常州大学 | A kind of preparation method of carbon quantum dot/acrylate copolymer fluorescence composite material |
| US20180044583A1 (en) * | 2016-08-09 | 2018-02-15 | Samsung Electronics Co., Ltd. | Compositions, quantum dot polymer composites prepared therefrom, and devices including the same |
| WO2018104891A1 (en) * | 2016-12-09 | 2018-06-14 | Sabic Global Technologies B.V. | Quantum dot film and applications thereof |
-
2019
- 2019-08-09 CN CN201910732129.4A patent/CN110540622A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070082385A (en) * | 2006-02-16 | 2007-08-21 | 삼성전자주식회사 | Quantum dot electroluminescence device and the manufacturing method for the same |
| CN102585801A (en) * | 2012-01-29 | 2012-07-18 | 上海交通大学 | Preparation method of quantum dot-hyperbranched polyether nanocomposite-nitrogen oxide fluorescent probe |
| CN104237182A (en) * | 2014-09-05 | 2014-12-24 | 江苏大学 | Preparation method and application of Mn-doped ZnS quantum dot imprinted sensor |
| CN104744649A (en) * | 2015-03-19 | 2015-07-01 | 江苏大学 | Preparation method of CdTe quantum dot fluorescent cyfluthrin imprinted sensor |
| CN105131207A (en) * | 2015-07-16 | 2015-12-09 | 复旦大学 | Core halo/core-shell halo structure fluorescent microgel having double responsiveness and preparation method thereof |
| CN105131199A (en) * | 2015-08-28 | 2015-12-09 | 吴奇 | Preparation and preparing method and application thereof |
| CN106032468A (en) * | 2015-12-31 | 2016-10-19 | 苏州星烁纳米科技有限公司 | Polymerizable quantum dot and application thereof |
| CN105968774A (en) * | 2016-05-13 | 2016-09-28 | 吉林大学 | Hyperbranched polyaryletherketone/CdS quantum dot nano composite material and preparation method thereof |
| CN106083573A (en) * | 2016-07-01 | 2016-11-09 | 京东方科技集团股份有限公司 | Organic ligand and preparation method, quantum dot, quantum dot layer and Light-Emitting Diode |
| US20180044583A1 (en) * | 2016-08-09 | 2018-02-15 | Samsung Electronics Co., Ltd. | Compositions, quantum dot polymer composites prepared therefrom, and devices including the same |
| KR20180018891A (en) * | 2016-08-09 | 2018-02-22 | 삼성전자주식회사 | Quantum dot polymer composites and devices including the same |
| WO2018104891A1 (en) * | 2016-12-09 | 2018-06-14 | Sabic Global Technologies B.V. | Quantum dot film and applications thereof |
| CN107602757A (en) * | 2017-09-08 | 2018-01-19 | 常州大学 | A kind of preparation method of carbon quantum dot/acrylate copolymer fluorescence composite material |
Non-Patent Citations (3)
| Title |
|---|
| TONGXIN WANG等: "Synthesis of amphiphilic triblock copolymers as multidentate ligands for biocompatible coating of quantum dots", 《COLLOIDS SURFACES A PHYSICOCHEMICAL AND ENGINEERING ASPECTS》, vol. 375, no. 1, 5 February 2011 (2011-02-05), pages 147 - 155, XP028151841, DOI: 10.1016/j.colsurfa.2010.11.079 * |
| XUELIAN WU等: "Surface molecular imprinted polymers based on Mn-doped ZnS quantum dots by atom transfer radical polymerization for a room-temperature phosphorescence probe of bifenthrin", 《ANALYTICAL METHODS》, vol. 9, no. 31, 17 July 2017 (2017-07-17), pages 4609 - 4615 * |
| 李莎: "荧光碳点的制备及其血液相容性研究", 《中国优秀博硕士学位论文全文数据库(硕士)》, no. 2, 15 February 2017 (2017-02-15), pages 014 - 70 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022254601A1 (en) * | 2021-06-02 | 2022-12-08 | シャープ株式会社 | Nanoparticle-containing film, light-emitting element, production method for nanoparticle-containing film |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3119851B1 (en) | Quantum dot compositions | |
| EP2809710B1 (en) | Novel materials and methods for dispersing nano particles in matrices with high quantum yields and stability | |
| CN108102640A (en) | Quantum dot, the composition including it or compound and include its electronic device | |
| KR102006929B1 (en) | Methods for Fabricating Quantum Dot Polymer Films | |
| JP6612477B2 (en) | the film | |
| US10829687B2 (en) | Additive stabilized composite nanoparticles | |
| US10759991B2 (en) | Copolymeric stabilizing carrier fluid for nanoparticles | |
| US10836960B2 (en) | Additive stabilized composite nanoparticles | |
| CN110540622A (en) | Preparation method of quantum dot composite and quantum dot composite prepared by same | |
| TW201730264A (en) | Nanocrystal epoxy thiol (meth)acrylate composite material and nanocrystal epoxy thiol (methacrylate) composite film | |
| CN113943410B (en) | Quantum dot film, preparation method thereof and quantum dot light-emitting diode | |
| CN110551496A (en) | Quantum dot composite and preparation method thereof | |
| US20200115630A1 (en) | Additive stabilized composite nanoparticles | |
| KR102563058B1 (en) | A quantum dot, a quantum dot light-emitting diode and a quantum dot film and a light converting resin composition comprising the quantum dot, a color filter and a light converting laminated base material manufactured by the composition and a display device comprising the same | |
| KR20230113051A (en) | A quantum dot, a quantum dot dispersion, a light converting curable composition, a cured film manufactured by the composition and a display device comprising the cured film | |
| KR20210104121A (en) | Surface-modified semiconductor light emitting nanoparticles and method for preparing the same | |
| CN115627164A (en) | Quantum dot doped hydrogel flexible white light conversion material and preparation method thereof | |
| CN116148958A (en) | Optical film, manufacturing method thereof and backlight module | |
| KR20230113050A (en) | A quantum dot, a quantum dot dispersion, a light converting curable composition, a cured film manufactured by the composition and a display device comprising the cured film | |
| KR20230122869A (en) | A light conversion ink composition, a light converting laminating unit manufactured using the same, a backlight unit, a light converting pixel unit and an image display device | |
| KR20220089068A (en) | A quantum dot, a quantum dot dispersion, a light converting curable composition, a color filter, a light converting laminating unit and a display device | |
| TW202336208A (en) | Quantum dot, quantum dot dispersion, light converting curable composition, and cured film and display device manufactured by the composition | |
| JP2019002019A (en) | Methods for fabricating quantum dot polymer films |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |