CN111675812A - Chiral MOF-dye composite material with high quantum yield and preparation method and application thereof - Google Patents
Chiral MOF-dye composite material with high quantum yield and preparation method and application thereof Download PDFInfo
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- 239000002131 composite material Substances 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 4
- 238000006862 quantum yield reaction Methods 0.000 title abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 16
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Substances CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 7
- -1 4-picolyl Chemical group 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 18
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 239000003446 ligand Substances 0.000 claims description 7
- 239000011780 sodium chloride Substances 0.000 claims description 5
- YZYKBQUWMPUVEN-UHFFFAOYSA-N zafuleptine Chemical compound OC(=O)CCCCCC(C(C)C)NCC1=CC=C(F)C=C1 YZYKBQUWMPUVEN-UHFFFAOYSA-N 0.000 claims description 5
- 239000000243 solution Substances 0.000 claims 6
- KZSNJWFQEVHDMF-SCSAIBSYSA-N D-valine Chemical compound CC(C)[C@@H](N)C(O)=O KZSNJWFQEVHDMF-SCSAIBSYSA-N 0.000 claims 2
- 229930182831 D-valine Natural products 0.000 claims 2
- 239000007864 aqueous solution Substances 0.000 claims 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 239000000975 dye Substances 0.000 abstract description 27
- 230000010287 polarization Effects 0.000 abstract description 11
- 230000015556 catabolic process Effects 0.000 abstract description 2
- 238000006731 degradation reaction Methods 0.000 abstract description 2
- 230000003993 interaction Effects 0.000 abstract description 2
- 238000004020 luminiscence type Methods 0.000 abstract description 2
- 239000001045 blue dye Substances 0.000 abstract 1
- 239000001046 green dye Substances 0.000 abstract 1
- 239000001044 red dye Substances 0.000 abstract 1
- 239000012621 metal-organic framework Substances 0.000 description 7
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 239000012922 MOF pore Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000009877 rendering Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000002189 fluorescence spectrum Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 229910001868 water Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001194 electroluminescence spectrum Methods 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002082 metal nanoparticle Substances 0.000 description 1
- 239000012924 metal-organic framework composite Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007777 multifunctional material Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002096 quantum dot Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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Abstract
The invention discloses a chiral MOF-dye composite material with high quantum yield, a preparation method thereof and application thereof in a white light circular polarization LED, belonging to the crossed field of chiral science and coordination chemistry. The chiral MOF-dye composite material is prepared by chiral MOF ([ Zn (L/D-)l CH3CO2)(Cl)](H2O)2，L/D‑Hl CH3CO2And the complex is characterized in that the complex is prepared by taking N- (4-picolyl) -L/D-valine-acetic acid) as a main framework and encapsulating three achiral red, green and blue dyes with a certain proportion by a gel degradation method, so as to obtain a chiral composite material with excellent white luminous performance, which is abbreviated as L/D-CMOF ⸧ CBS/FS/RB. The composite material has high strength at room temperatureWhite fluorescence with a fluorescence quantum yield of about 30%; the CIE coordinate values are (0.33, 0.32), which is close to ideal white light. The host chiral MOF framework induces dye molecules to generate chirality through strong interaction of a host and a guest and endows the composite material with strong Circular Polarization Luminescence (CPL) property. The composite material is cheap and easy to obtain, has high stability, and can excite strong white fluorescence in an ultraviolet light wave band so that the composite material can be used as white light fluorescent powder of a white light circular polarization LED.
Description
Technical Field
The invention belongs to the cross field of chiral science and coordination chemistry, and particularly relates to a high-stability white light-emitting chiral composite material and application thereof in a white light circular polarization LED.
Background
The Metal Organic Framework (MOF) material has extremely high porosity and surface area, and has unique characteristics of adjustable and modifiable pores, so that the MOF material has unique advantages as a matrix. In addition to the encapsulation of gas and solvent molecules, porous MOFs with tunable dimensions are also capable of encapsulating different macromolecules for dye capture and separation, temperature sensing, second-order nonlinear optics, two-photon pumped lasers, etc. In recent years, a wide variety of guest molecules, such as carbon, dyes, metal nanoparticles, quantum dots, polymers, polyoxometallates, etc., have also been encapsulated into MOFs, resulting in many novel functional MOF composites with overall properties superior to that of the individual components. The application development of the host-guest chemistry and the MOFs is rapid, and a new way is opened for developing advanced multifunctional materials.
The study is still in the initial stage, and a plurality of challenges exist. Further exploration of more suitable porous MOF hosts and a broader class of functional guests is needed. Therefore, designing and synthesizing porous MOF hosts with multiple functions and a wider variety of functional objects is one of the main research points in the field of host and object.
An LED, i.e., a light emitting diode, is a semiconductor solid-state light emitting device, and compared with a conventional incandescent lamp and a fluorescent lamp, a solid-state white light emitting diode has the advantages of high efficiency, long service life and energy saving, and plays an important role in illumination and display. White LEDs are also the most promising illumination sources due to their many advantages. There are three methods for realizing white light by using LEDs: firstly, combining red, green and blue three primary colors of a plurality of chips to synthesize white light; secondly, the blue LED chip is used for exciting the yellow fluorescent powder, and the blue light is used for exciting the yellow fluorescent powder to generate single pure yellow light which is combined with the blue light to form white light; and thirdly, ultraviolet light LED is adopted to excite the tricolor fluorescent powder to synthesize white light. The potential application of the white light circular polarization LED in the eyesight protection aspect and the imaging aspect is deeply concerned by the majority of researchers, so the chiral MOF-dye composite material with high stability and high quantum yield has good application prospect in the white light circular polarization LED aspect.
Disclosure of Invention
The present invention aims to provide a chiral MOF-dye composite with high quantum yield; another object is to provide a method for preparing the same and application thereof in a white light circular polarization LED.
For the purpose of the present invention, the chiral MOF ([ Zn (L/D-lCH) with a pore size of 1.2nm is adopted in the present invention3CO2)(Cl)](H2O)2Abbreviated as L/D-CMOF, L/D-HlCH3CO2The complex is a chiral composite material which has high yield, low price and easy obtainment and excellent white luminous performance and is prepared by a simple gel degradation method by taking N- (4-picolyl) -L/D-valine-acetic acid) as a main framework and encapsulating three dyes of achiral red, green and blue in a certain proportion in situ.
The chiral MOF-dye composite material is prepared by the following steps:
adding zinc acetate dihydrate to the solution containing ligand L-LCH3CO2Or D-lCH3CO2Then, the container is shaken to lead the solution to be converted into a colloidal solution phase, then red (English abbreviation, RB)/green (English abbreviation, FS)/blue (English abbreviation, CBS) dye water solution with different volumes is added to form gel, solid sodium chloride is added into the gel, and the gel is degraded to obtain chiral MOF-dye composite material, which is abbreviated as L-CMOF □ CBS/FS/RB or D-CMOF □ CBS/FS/RB. Filtering, washing with deionized water, and drying.
The chiral MOF-dye composite material is used for a white light LED, and the properties of the chiral MOF-dye composite material are described as follows:
the material has a stable crystal structure, in particular when forming chiral MOF-dye composites, without destroying the crystalline structure of the L/D-CMOF itself, (fig. 1 and 2). The fluorescent material has strong white fluorescence under the condition of air room temperature, and the emission spectrum is shown in figure 3 (the excitation wavelength is 390 nm); circularly polarized light asymmetry factor (g) of L/D-CMOF □ CBS/FS/RBlum) The curves are shown in FIG. 4; the fluorescence quantum yield at room temperature was 30%. Will be provided withThe solid powder of the material is uniformly coated on the surface of an ultraviolet LED bulb, an LED lamp is lightened, and the ultraviolet light excites the material to generate bright circularly polarized white light (shown in figures 5 and 6); the maximum external quantum efficiency, color rendering index, color temperature and luminous efficiency of the circular polarized LED are respectively 6.3%, 87, 8157K and 4.23lm/W (figures 7, 8 and 9).
The invention has the beneficial effects that: the chiral MOF-dye composite material has a very wide excitation waveband, can be excited by 370-390nm to emit strong white fluorescence, can emit strong white fluorescence at room temperature, and has a fluorescence quantum yield of about 30 percent; the CIE coordinate values are (0.33, 0.32), which is close to ideal white light. The host chiral MOF framework induces dye molecules to generate chirality through strong interaction of a host and a guest and endows the composite material with strong Circular Polarization Luminescence (CPL) property. In addition, the chiral MOF-dye composite material has high stability (figure 10), and strong white fluorescence can be excited by an ultraviolet band, so that the chiral MOF-dye composite material can be used as white fluorescent powder of a white circular polarization LED, and has a good application value in the aspect of the white circular polarization LED.
Drawings
FIG. 1 is an XRD pattern of the L-CMOF □ CBS/FS/RB material of the present invention.
FIG. 2 is an XRD pattern of the D-CMOF □ CBS/FS/RB material of the present invention.
FIG. 3 is a plot of the fluorescence spectrum of the L-CMOF □ CBS/FS/RB material of the present invention (where the inset is the material under fluorescent and ultraviolet lamps).
FIG. 4 shows the circularly polarized light asymmetry factor (g) of the L-CMOF □ CBS/FS/RB material of the present inventionlum) Curve line.
FIG. 5 shows a white circularly polarized LED lamp assembled by using the L-CMOF □ CBS/FS/RB composite material as white phosphor and an ultraviolet LED, wherein 1 is the ultraviolet LED lamp used, 2 is the LED lamp without L-CMOF □ CBS/FS/RB composite material powder, 3 is the LED lamp coated with L-CMOF □ CBS/FS/RB composite material powder, and 4 is the LED which emits white light after being lighted by being coated with L-CMOF □ CBS/FS/RB composite material powder.
FIG. 6 is a graph of the electroluminescence spectrum of a white light circularly polarized LED coated with the material of the present invention.
FIG. 7 is an external quantum efficiency spectrum of a white light circularly polarized LED coated with the material of the present invention.
FIG. 8 is a spectrum of the luminous efficiency of a white light circularly polarized LED coated with the material of the present invention.
FIG. 9 is a color rendering index spectrum of a white light circularly polarized LED painted with the material of the present invention.
FIG. 10 is a photograph of the fluorescence under UV lamp of the L-CMOF □ CBS/FS/RB material of the present invention after 3 months in air.
Detailed Description
The invention is further illustrated by the following examples:
example 1: synthesis of chiral MOF-dye composites (L-CMOF □ CBS/FS/RB) of the present invention
0.022g (0.1mmol) of zinc acetate dihydrate was added to 0.06g (0.2mmol) of L-L containing the ligandCH3CO2In a vial of deionized water (0.5 mL). Subsequently, the vial was first shaken vigorously to convert the solution to a transient colloidal solution phase and the same concentration (10) was added-3M) but different volumes of red (english abbreviation, RB; 5 μ L)/green (English abbreviation, FS; 15 μ L)/blue (english abbreviation, CBS; 25 μ L) of an aqueous dye solution, a gel formed after a few minutes without interference, 0.012g (0.1mmol) of solid sodium chloride being added to the gel and the gel immediately starting to degrade. Finally, the gel was completely converted to chiral MOF-dye composite within one day, abbreviated as L-CMOF □ CBS/FS/RB. Filtering, washing with deionized water, and drying. The XRD pattern is shown in figure 1; the fluorescence spectrum is shown in FIG. 3; its circularly polarized light asymmetry factor (g)lum) The curve is shown in figure 4.
Example 2: synthesis of chiral MOF-dye composite (D-CMOF □ CBS/FS/RB) of the invention
0.022g (0.1mmol) of zinc acetate dihydrate was added to 0.06g (0.2mmol) of D-l containing ligandCH3CO2In a vial of deionized water (0.5 mL). Subsequently, the vial was first shaken vigorously to convert the solution to a transient colloidal solution phase and the same concentration (10) was added-3M) but different volumes of red (english abbreviation, RB; 5 μ L)/green (English abbreviation, FS; 15 μ L)/blue (english abbreviation, CBS; 25 mul) of aqueous dye solution, forming a gel after a few minutes without interference, adding 0.012 to the gelg (0.1mmol) sodium chloride in solid form, the gel immediately starts to degrade. Finally, the gel was completely converted to chiral MOF-dye composite within one day, abbreviated D-CMOF □ CBS/FS/RB. Filtering, washing with deionized water, and drying. The XRD pattern is shown in figure 2;
example 3: the chiral MOF-dye composite material (L-CMOF □ CBS/FS/RB) is used as white light fluorescent powder to assemble white light circular polarization LED
A sample of the chiral MOF-dye composite material (L-CMOF □ CBS/FS/RB) prepared in example 1, which is prepared according to the invention, is ground into fine solid powder, the fine solid powder is added into oil which does not have fluorescence per se, and the oil with the uniformly dispersed powder is smeared on the surface of an ultraviolet LED bulb for further testing. The ultraviolet light excites the material into bright circularly polarized white light (shown in fig. 5 and 6); the maximum external quantum efficiency, color rendering index, color temperature and luminous efficiency of the circular polarized LED are respectively 6.3%, 87, 8157K and 4.23lm/W (figures 7, 8 and 9).
The above examples are merely illustrative of the present invention, and other embodiments of the present invention are possible. However, all the technical solutions formed by equivalent alternatives or equivalent modifications fall within the protection scope of the present invention.
Claims (5)
1. A chiral MOF-dye composite characterized by: the preparation method comprises the following steps: adding zinc acetate dihydrate into the solution containing the ligand L-l CH3CO2Or D-l CH3CO2Then, the container is shaken to lead the solution to be converted into a colloidal solution phase, then red (abbreviated as RB)/green (abbreviated as FS)/blue (abbreviated as CBS) dye aqueous solution with different volumes is added to form gel, solid sodium chloride is added into the gel, the gel is degraded to obtain chiral MOF-dye composite material, which is abbreviated as L-CMOF □ CBS/FS/RB or D-CMOF □ CBS/FS/RB, and the chiral MOF-dye composite material is filtered, washed by deionized water and dried; the ligand L/D-l CH3CO2Is N- (4-picolyl) -L/D-valine acetic acid.
2. A method of chiral MOF-dye composite according to claim 1 wherein: the L-CMOF □ CBS/FS/RB has the characteristic peak of powder diffraction as shown in figure 1.
3. A method of chiral MOF-dye composite according to claim 1 wherein: D-CMOF □ CBS/FS/RB has the characteristic peak of powder diffraction as shown in figure 2.
4. A method for preparing a chiral MOF-dye composite according to any one of claims 1 to 3, characterized in that: adding zinc acetate dihydrate into the solution containing the ligand L-l CH3CO2Or D-l CH3CO2Then, the container is shaken to lead the solution to be converted into a colloidal solution phase, then red (abbreviated as RB)/green (abbreviated as FS)/blue (abbreviated as CBS) dye aqueous solution with different volumes is added to form gel, solid sodium chloride is added into the gel, the gel is degraded to obtain chiral MOF-dye composite material, which is abbreviated as L-CMOF □ CBS/FS/RB or D-CMOF □ CBS/FS/RB, and the chiral MOF-dye composite material is filtered, washed by deionized water and dried; the ligand L/D-l CH3CO2Is N- (4-picolyl) -L/D-valine acetic acid.
5. Use of a chiral MOF-dye composite according to one of claims 1 to 3 for circularly polarized LEDs, characterized in that: and uniformly coating the solid powder of the material on the surface of the ultraviolet LED bulb.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114437712A (en) * | 2022-01-11 | 2022-05-06 | 武汉理工大学 | Fluorescence-adjustable dye molecule/ZIF-8 film and preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180097188A1 (en) * | 2015-04-17 | 2018-04-05 | Universidad De Castilla La Mancha | White light emitting zirconium-based mofs |
| CN108690201A (en) * | 2018-07-12 | 2018-10-23 | 南开大学 | A kind of high quantum production rate white fluorescence powder material and preparation method thereof that MOF/ dyestuffs are compound |
| CN109836586A (en) * | 2017-11-27 | 2019-06-04 | 中国科学院福建物质结构研究所 | Fluorescent dye and metal organic framework MOFs composite material and preparation method and purposes |
| CN110845740A (en) * | 2019-11-08 | 2020-02-28 | 中国科学院化学研究所 | Cyclodextrin metal framework circular polarization luminescent crystal and preparation method and application thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180097188A1 (en) * | 2015-04-17 | 2018-04-05 | Universidad De Castilla La Mancha | White light emitting zirconium-based mofs |
| CN109836586A (en) * | 2017-11-27 | 2019-06-04 | 中国科学院福建物质结构研究所 | Fluorescent dye and metal organic framework MOFs composite material and preparation method and purposes |
| CN108690201A (en) * | 2018-07-12 | 2018-10-23 | 南开大学 | A kind of high quantum production rate white fluorescence powder material and preparation method thereof that MOF/ dyestuffs are compound |
| CN110845740A (en) * | 2019-11-08 | 2020-02-28 | 中国科学院化学研究所 | Cyclodextrin metal framework circular polarization luminescent crystal and preparation method and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| SUBHADEEP SAHA等: "Photocatalytic Metal-Organic Framework from CdS Quantum Dot Incubated Luminescent Metallohydrogel", 《J. AM. CHEM. SOC.》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114437712A (en) * | 2022-01-11 | 2022-05-06 | 武汉理工大学 | Fluorescence-adjustable dye molecule/ZIF-8 film and preparation method and application thereof |
| CN114437712B (en) * | 2022-01-11 | 2024-05-28 | 武汉理工大学 | Fluorescence-adjustable dye molecule/ZIF-8 membrane, and preparation method and application thereof |
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