CN109535665A - Quantum dot/polymer composite and structure including it - Google Patents
Quantum dot/polymer composite and structure including it Download PDFInfo
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- CN109535665A CN109535665A CN201811292090.0A CN201811292090A CN109535665A CN 109535665 A CN109535665 A CN 109535665A CN 201811292090 A CN201811292090 A CN 201811292090A CN 109535665 A CN109535665 A CN 109535665A
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- quantum dot
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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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
-
- C—CHEMISTRY; METALLURGY
- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
-
- 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
- C08K3/32—Phosphorus-containing compounds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
-
- C—CHEMISTRY; METALLURGY
- 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
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
- C08K2003/3036—Sulfides of zinc
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
It include: high molecular material the invention discloses quantum dot/polymer composite；Quantum dot is dispersed in high molecular material；Organic matter ligand is modified in quantum dot surface, organic matter ligand formula A-B；Wherein, A is selected from SH or NH2Or at least one in COOH, B in alkyl or alkenyl at least one.Inventor tests quantum dot/polymer composite impact strength, and impact strength is apparently higher than the impact strength containing the composite material either with or without the ligand modified quantum dot of organic matter.The promotion of its impact strength, it may be said that bright, in comparison, which has better toughness.Phenomena such as being not susceptible to cracking using structure made of the material, reduces external environment to the adverse effect of quantum dot.
Description
Technical field
The application belongs to quantum dot field, in particular to a kind of quantum dot/polymer composite.
Background technique
Present containing quantum dot composite material is dispersed in quantum dot in dispersion main body.Quantum dot is contained for these
Composite material, the toughness parameter important as one.Phenomena such as toughness is poor, is easy to happen cracking, so as to cause external environment
To the adverse effect of quantum dot.
Summary of the invention
In view of the above technical problems, the application provides a kind of composite material including quantum dot of good toughness.
Quantum dot/polymer composite includes: high molecular material；Quantum dot is dispersed in high molecular material；Organic matter
Ligand, in quantum dot surface, organic matter ligand formula is A-B for modification；Wherein, A is selected from SH or NH2Or at least one in COOH
It is a, B in alkyl or alkenyl at least one.
Inventor tests quantum dot/polymer composite impact strength, and impact strength is apparently higher than
Impact strength containing the composite material either with or without the ligand modified quantum dot of organic matter.The promotion of its impact strength, it may be said that it is bright,
In comparison, which has better toughness.It is not susceptible to out using structure made of the material
Phenomena such as splitting reduces external environment to the adverse effect of quantum dot.
The mass ratio between organic matter ligand and quantum dot is 0.3 to 1 in one of the embodiments,.
Within that range, quantum dot has good mass ratio between organic matter ligand and quantum dot in high molecular material
Good dispersibility, and toughness is also at extraordinary level.
The amount of carbon atom of alkyl or alkenyl is 5 to 25 in one of the embodiments,.
Further, alkyl or alkenyl is the alkyl or alkenyl of straight chain.
Amount of carbon atom is that the straight chained alkyl or straight-chain alkenyl between 5 to 25 are flexible chain, is had preferably flexible.It repairs
The quantum dot for being decorated with the organic matter ligand is dispersed in high molecular material, can reduce the rigidity of composite material, increases composite wood
The toughness of material.
In one of the embodiments, organic matter ligand in oleic acid or spicy thioalcohol or oleyl amine or n- dodecyl mereaptan extremely
It is one few.
The gross mass of quantum dot and organic matter ligand is in quantum dot/polymer composite in one of the embodiments,
In mass fraction be 0.1%~10%.
Inventors have found that the matter when the gross mass of quantum dot and organic matter ligand in quantum dot/polymer composite
When amount score is in the range, quantum dot/polymer composite has good toughness.
Quantum dot is nuclear shell structure quantum point in one of the embodiments,.
The quantum dot can be II-VI race's quantum dot, III-V race's quantum dot, carbon quantum dot, Au quantum dot, Cu amount herein
Sub- point, graded alloy quantum dot, perovskite quantum dot etc..
A kind of quantum dot film includes: high molecular material, is selected from polyethylene terephthalate or polypropylene；Quantum dot,
It is dispersed in high molecular material；Organic matter ligand, in quantum dot surface, organic matter ligand formula is A-B for modification, and A is selected from SH
Or NH2Or at least one in COOH, B in alkyl or alkenyl at least one.
A kind of quantum dot LED light emission device includes: LED chip；The light emission direction of LED chip is arranged in wavelength conversion layer；
Wherein, wavelength conversion layer includes: high molecular material, in epoxy resin, organic siliconresin, polyurethane at least one；Quantum
Point, is dispersed in high molecular material；Organic matter ligand, modification are A-B in quantum dot surface, organic matter ligand formula, and A is selected from
SH or NH2Or at least one in COOH, B in alkyl or alkenyl at least one.
A kind of quantum dot transparent pipe includes: the transparent pipe with chamber；Wavelength conversion layer is arranged in chamber；Wherein, wave
Long conversion layer includes: acrylate；Quantum dot is dispersed in acrylate；Organic matter ligand is modified in quantum dot surface, is had
Machine object ligand formula is A-B, and A is selected from SH or NH2Or at least one in COOH, B in alkyl or alkenyl at least one.
The above suitable quantum can be used in above-mentioned quantum dot film, quantum dot LED light emission device and quantum dot transparent pipe
Point/polymer composite is prepared.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the application quantum dot film；
Fig. 2 is the structural schematic diagram of the application quantum dot LED light emission device；
Fig. 3 is the structural schematic diagram of the application quantum dot transparent pipe.
Identical component has used identical appended drawing reference in the accompanying drawings.Attached drawing only symbolically shows the reality of the application
Apply scheme.
Specific embodiment
Below in conjunction with the application embodiment, technical solutions in the embodiments of the present application is described in detail.It answers
It is noted that described embodiment is only a part of embodiment of the application, rather than whole embodiments.
Embodiment one:
In the revealed quantum dot/polymer composite of the present embodiment, high molecular material is poly terephthalic acid second two
Alcohol ester, quantum dot are CdSe/ZnS quantum dot.The organic matter ligand of CdSe/ZnS quantum dot surface modification is oleic acid and oleyl amine.Oil
The quality of amine and oleic acid and the mass ratio of CdSe/ZnS quantum dot are 3:7.Total matter of CdSe/ZnS quantum dot, oleyl amine and oleic acid
Measuring the mass ratio in the quantum dot/polymer composite is 0.5%.
Comparative example one:
In quantum dot/polymer composite that this comparative example discloses, high molecular material is polyethylene terephthalate
Ester, quantum dot are CdSe/ZnS quantum dot.Organic matter ligand is not decorated in CdSe/ZnS quantum dot surface.CdSe/ZnS quantum dot
Mass ratio in the quantum dot/polymer composite is 0.5%.
Embodiment two:
In quantum dot/polymer composite, high molecular material is epoxy resin, quantum dot is InP/ZnS quantum dot.
The organic matter ligand of InP/ZnS quantum dot surface modification is oleyl amine.The quality of oleyl amine and the mass ratio of InP/ZnS quantum dot are
2:3.InP/ZnS quantum dot, oleyl amine mass ratio of the gross mass in the quantum dot/polymer composite be 2%.
Comparative example two:
In quantum dot/polymer composite, high molecular material is epoxy resin, quantum dot is InP/ZnS quantum dot.
Organic matter ligand is not decorated in InP/ZnS quantum dot surface.InP/ZnS quantum dot is in the quantum dot/polymer composite
Mass ratio be 2%.
Embodiment three:
In quantum dot/polymer composite, high molecular material is acrylate, quantum dot is InP/ZnS quantum dot.
The organic matter ligand of InP/ZnS quantum dot surface modification is n- dodecyl mereaptan.The quality and InP/ZnS quantum dot of n- dodecyl mereaptan
Mass ratio be 1:1.InP/ZnS quantum dot, n- dodecyl mereaptan gross mass in the quantum dot/polymer composite
Mass ratio is 5%.
Comparative example three:
In quantum dot/polymer composite, high molecular material is acrylate, quantum dot is InP/ZnS quantum dot.
Organic matter ligand is not decorated in InP/ZnS quantum dot surface.InP/ZnS quantum dot is in the quantum dot/polymer composite
Mass ratio be 5%.
By quantum dot/polymer composite in above-described embodiment and comparative example be prepared into specification be 4mm × 10mm ×
80mm and with radius be 0.5mm bar carry out Izod notched impact strength test.Specific test structure is as follows
Shown in table:
It can significantly find out have quantum dot/macromolecule of organic matter ligand multiple using quantum dot surface modification from the table
The impact strength of the bar of condensation material preparation, which is higher than quantum dot surface, does not have quantum dot/macromolecule composite wood of organic matter ligand
Expect the bar of preparation.It can be seen that the quantum dot of surface modification organic matter ligand is added in quantum dot/high molecular material to it
The promotion of toughness has a significant effect.
Referring to FIG. 1, present embodiment further discloses quantum dot film 10.The quantum dot film 10 includes poly terephthalic acid second
Diol ester 11 and InP/ZnS quantum dot 12, InP/ZnS quantum dot 12 are dispersed in polyethylene terephthalate 11.InP/
The surface modification of ZnS quantum dot 12 has organic matter ligand 13.The organic matter ligand 13 is oleyl amine and oleic acid.
Referring to FIG. 2, present embodiment further discloses quantum dot LED light emission device 20.The light emitting device 20 includes bracket
21, LED chip 22 (such as GaN base blue chip), wavelength conversion layer 23.Bracket 21 carries LED chip 22, wavelength conversion layer 23
The light emission direction of LED chip 22 is set.
Wavelength conversion layer 23 includes organic siliconresin 231, CdSe/ZnS quantum dot 232, and CdSe/ZnS quantum dot 232 disperses
In organic siliconresin 231.The surface modification of CdSe/ZnS quantum dot 232 has organic matter ligand 233.The organic matter ligand 233
For oleyl amine.
Referring to FIG. 3, present embodiment further discloses quantum dot pipe 30.The quantum dot pipe 30 includes transparent pipe 31, wavelength
Conversion layer 32, the transparent pipe 31 have chamber, and wavelength conversion layer 32 is arranged in chamber.
Wavelength conversion layer 32 includes acrylate 321, InP/ZnS quantum dot 322, and InP/ZnS quantum dot 322 is dispersed in third
In olefin(e) acid ester 321.The surface modification of InP/ZnS quantum dot 332 has organic matter ligand 333.The organic matter ligand 333 is pungent sulphur
Alcohol.
Although inventor has done more detailed elaboration to the technical solution of the application and has enumerated, it should be understood that for
For those skilled in the art, above-described embodiment is modified and/or the flexible or equivalent alternative solution of use is obvious
, cannot all be detached from the essence of the application spirit, the term occurred in the application be used for elaboration to technical scheme and
Understand, the limitation to the application can not be constituted.
Claims (10)
1. quantum dot/polymer composite, comprising:
High molecular material；
Quantum dot is dispersed in the high molecular material；
Organic matter ligand, in the quantum dot surface, the organic matter ligand formula is A-B for modification；Wherein,
A is selected from SH or NH2Or at least one in COOH, B in alkyl or alkenyl at least one.
2. quantum dot/polymer composite according to claim 1, which is characterized in that the organic matter ligand and institute
Stating the mass ratio between quantum dot is 0.3 to 1.
3. quantum dot/polymer composite according to claim 1, which is characterized in that the carbon of the alkyl or alkenyl
Atomic quantity is 5 to 25.
4. quantum dot/polymer composite according to claim 3, which is characterized in that the alkyl or alkenyl is straight
The alkyl or alkenyl of chain.
5. quantum dot/polymer composite according to claim 3, which is characterized in that the organic matter ligand is selected from
Oleic acid or spicy thioalcohol or at least one of oleyl amine or n- dodecyl mereaptan.
6. quantum dot/polymer composite according to claim 1, which is characterized in that the quantum dot and described have
Mass fraction of the gross mass of machine object ligand in the quantum dot/polymer composite is 0.1%~10%.
7. quantum dot/polymer composite according to claim 1, which is characterized in that the quantum dot is nucleocapsid knot
Structure quantum dot.
8. a kind of quantum dot film, comprising:
High molecular material is selected from polyethylene terephthalate or polypropylene；
Quantum dot is dispersed in the high molecular material；
Organic matter ligand, in the quantum dot surface, the organic matter ligand formula is A-B for modification, and A is selected from SH or NH2Or
At least one in COOH, B in alkyl or alkenyl at least one.
9. a kind of quantum dot LED light emission device, comprising:
LED chip；
The light emission direction of the LED chip is arranged in wavelength conversion layer；Wherein, the wavelength conversion layer includes:
High molecular material, in epoxy resin, organic siliconresin, polyurethane at least one；
Quantum dot is dispersed in the high molecular material；
Organic matter ligand, in the quantum dot surface, the organic matter ligand formula is A-B for modification, and A is selected from SH or NH2Or
At least one in COOH, B in alkyl or alkenyl at least one.
10. a kind of quantum dot transparent pipe, comprising:
Transparent pipe with chamber；
Wavelength conversion layer is arranged in the chamber；Wherein, the wavelength conversion layer includes:
Acrylate；
Quantum dot is dispersed in the acrylate；
Organic matter ligand, in the quantum dot surface, the organic matter ligand formula is A-B for modification, and A is selected from SH or NH2Or
At least one in COOH, B in alkyl or alkenyl at least one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811292090.0A CN109535665A (en) | 2018-10-31 | 2018-10-31 | Quantum dot/polymer composite and structure including it |
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| CN201811292090.0A CN109535665A (en) | 2018-10-31 | 2018-10-31 | Quantum dot/polymer composite and structure including it |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111875896A (en) * | 2020-07-29 | 2020-11-03 | 武汉珈源同创科技有限公司 | Quantum dot polymer compound and preparation method thereof |
| US20210122972A1 (en) * | 2019-10-24 | 2021-04-29 | Ubright Optronics Corporation | Quantum-dot film and the method to make the same |
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| 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 |
| CN107022354A (en) * | 2015-10-28 | 2017-08-08 | 三星电子株式会社 | Quantum dot, its manufacture method, quanta polymer compound and the electronic installation including it |
| CN108242482A (en) * | 2016-12-23 | 2018-07-03 | 苏州星烁纳米科技有限公司 | The preparation of quantum dot light emitting layer and the electroluminescent device containing the luminescent layer |
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2018
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| CN101580628A (en) * | 2009-06-05 | 2009-11-18 | 华东师范大学 | Quantum dot luminescence transparent casting glue composite material |
| CN107022354A (en) * | 2015-10-28 | 2017-08-08 | 三星电子株式会社 | Quantum dot, its manufacture method, quanta polymer compound and the electronic installation including it |
| 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 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210122972A1 (en) * | 2019-10-24 | 2021-04-29 | Ubright Optronics Corporation | Quantum-dot film and the method to make the same |
| US11885987B2 (en) * | 2019-10-24 | 2024-01-30 | Ubright Optronics Corporation | Quantum-dot film and the method to make the same |
| CN111875896A (en) * | 2020-07-29 | 2020-11-03 | 武汉珈源同创科技有限公司 | Quantum dot polymer compound and preparation method thereof |
| CN111875896B (en) * | 2020-07-29 | 2021-12-28 | 武汉珈源同创科技有限公司 | Quantum dot polymer compound and preparation method thereof |
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