CN106398682A - Tripolyphosphazene-nucleated star-shaped organic blue-light material and preparation method therefor - Google Patents

Tripolyphosphazene-nucleated star-shaped organic blue-light material and preparation method therefor Download PDF

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Publication number
CN106398682A
CN106398682A CN201610162040.5A CN201610162040A CN106398682A CN 106398682 A CN106398682 A CN 106398682A CN 201610162040 A CN201610162040 A CN 201610162040A CN 106398682 A CN106398682 A CN 106398682A
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tripolyphosphazene
anthracene
organic
star
reaction
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景朝俊
王珊
史鲁斌
朱长进
马涛
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Beijing Institute of Technology BIT
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Beijing Institute of Technology BIT
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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    • C09K11/00Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/06Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
    • CCHEMISTRY; METALLURGY
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    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02Phosphorus compounds
    • C07F9/547Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
    • C07F9/6564Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
    • C07F9/6581Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and nitrogen atoms with or without oxygen or sulfur atoms, as ring hetero atoms
    • C07F9/65812Cyclic phosphazenes [P=N-]n, n>=3
    • C07F9/65815Cyclic phosphazenes [P=N-]n, n>=3 n = 3
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    • C09K2211/00Chemical nature of organic luminescent or tenebrescent compounds
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    • C09K2211/00Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/10Non-macromolecular compounds
    • C09K2211/1003Carbocyclic compounds
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    • C09K2211/00Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/10Non-macromolecular compounds
    • C09K2211/1018Heterocyclic compounds
    • C09K2211/1025Heterocyclic compounds characterised by ligands
    • C09K2211/1059Heterocyclic compounds characterised by ligands containing three nitrogen atoms as heteroatoms
    • C09K2211/107Heterocyclic compounds characterised by ligands containing three nitrogen atoms as heteroatoms with other heteroatoms

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Abstract

The invention relates to an organic luminescent material. A structural general formula of the organic luminescent material is represented by a formula shown in the description, wherein n is 1 or 2, and R is a substituent. A star-shaped molecular structure is formed through taking tripolyphosphazene as a nucleus and cross-linking a luminophore, i.e., anthracene to the nucleus by a chemical bond. The compound has both the thermal stability of the tripolyphosphazene and the blue-light emitting property of the anthracene, and comprehensive properties of the material are improved remarkably due to a special spatial clustering mode of the luminophore after the tripolyphosphazene and the anthracene are combined, so that the material is a novel organic luminescent material and can be used for manufacturing photoelectric conversion devices such as large-area colored flexible display screens and field-effect diodes.

Description

Organic blue light material of a kind of star with tripolyphosphazene as core and preparation method thereof
Technical field
The present invention relates to new chemical materialses technical field is and in particular to a kind of luminous organic material and preparation method.
Background technology
Luminous organic material low cost can prepare large-area flexible device.Organic Light Emitting Diode (OLED) has the features such as startup voltage is low, brightness is high, fast response time, luminous efficiency are high, can apply to the fields such as large-area colour flexible display screen of new generation and solid state lighting.
Luminous organic material is the key factor of organic photoelectric switching device and its industry development.Have been developed over some OLED luminescent materials at present, be concentrated mainly on triaryl amine system, anthracene derivative, carbazole derivates, some classical chemical combination objects systems such as rare earth metal complex.But, current material also has the problem of many application aspect, such as service life, luminosity, luminous efficiency etc., and the luminescent material of exploitation high comprehensive performance is an important direction of scientific rersearch.
In Panchromatic great-arear field of flexible display, organic red light and green light material species are more, and organic blue light material species is fewer.At present, organic blue light material, in terms of service life, luminous efficiency and spectral purity, also has larger gap, exploitation with HONGGUANG and green organic luminescenceNewOrganic blue light material is the driving source promoting correlation technique constantly to develop and apply.
Content of the invention
It is an object of the invention to provide a kind of tripolyphosphazene of high comprehensive performance is organic blue light material of core.
Another object of the present invention is to provide a kind of simple method preparing organic blue light material that tripolyphosphazene is core.
For realizing first purpose, technical scheme is as follows:
The invention provides a kind of with tripolyphosphazene as core, the hyperbranched star molecular structure as luminophore for the anthracene nucleus, it is bonded with the chemistry of luminophore that ring three phosphonitrile core to be realized with phenyl ring or oligomerization benzene in centre, it is characterized in that, this tripolyphosphazene is that the luminous organic material formula of core is:
Wherein n=1,2;Anthracene nucleus passes through 9 carbon atoms and phenyl ring bridging, and link position can be para-position, meta or the ortho position of phenyl ring;R is any possible substituent group on anthracene nucleus, can be electrophilic group, electron-donating group, aromatic group or alkyl etc..
For realizing second purpose, present invention also offers having above-mentionedNewThe preparation method of the luminous organic material of structure, feature is including two-step reaction:
Step (1):By potassium carbonate (K2CO3), bromophenol, oxolane (THF) mix according to a certain percentage, stir, obtaining white suspension, for a period of time, suspension becomes clarification to heated constant temperature, is subsequently adding hexachlorocyclotriph,sphazene,, until white solid in reaction a period of time under uniform temperature and stirring condition;Stopped reaction, extracts filtrate by reacting liquid filtering, with saturated aqueous common salt, to organic layer through drying, filter, concentrate, precipitation, washing, be dried after intermediate product;
Step (2):By the intermediate product prepared by above-mentioned steps (1), K2CO3The mix homogeneously such as solution, anthracene boric acid, tetra-triphenylphosphine palladium, THF, under nitrogen protection, reaction a period of time under uniform temperature and stirring condition, until reactant liquor is changed into brown from light yellow;Stopped reaction, filter, precipitation, washing, dry, refined, obtain pulverulent solids.
With respect to prior art, the invention has the advantages that:
1. the present invention devises one kindNewOrganic blue light material is with tripolyphosphazene as core, the hyperbranched star molecule as luminophore for the anthracene nucleus.
2. the good feature of tripolyphosphazene heat stability is combined by the present invention with the high blue light purity of anthracene and high-luminous-efficiency feature, to realizeNewOrganic blue light material resultant performance enhancements, heat stability and blue light-emitting aspect of performance advantage are integrated.
3. the tripolyphosphazene that the present invention provides is that the preparation method of organic blue light material of core is simple, easily realizes industrialized production.
Brief description
Figure 1For embodiment 1 gained tripolyphosphazene be core the organic blue light material of star uv-vis spectra (CH2Cl2Dissolving);
Figure 2For embodiment 1 gained tripolyphosphazene be core the organic blue light material of star fluorescence emission spectrumFigure (Excitation wavelength is 367nm, slit 5nm, CH2Cl2Dissolving);
Figure 3For embodiment 1 gained tripolyphosphazene be core the organic blue light material of star thermogravimetric analysiss spectrumFigure
Figure 4For embodiment 2 gained tripolyphosphazene be core the organic blue light material of star uv-vis spectra (CH2Cl2Dissolving);
Figure 5For embodiment 2 gained tripolyphosphazene be core the organic blue light material of star fluorescence emission spectrumFigure (Excitation wavelength is 367nm, slit 5nm, CH2Cl2Dissolving);
Figure 6For embodiment 2 gained tripolyphosphazene be core the organic blue light material of star thermogravimetric analysiss spectrumFigure.
Specific embodiment
The invention will be further described below:
Case study on implementation
Embodiment 1:The synthesis of compound 001, concrete preparation manipulation step is as follows:
Step (1) is by 4.80g K2CO3(34.8mmol), the THF solution of 5.00g p bromophenol (29.0mmol) and 50mL drying is added sequentially to two mouthfuls of flasks and forms white suspension, 70 DEG C of constant temperature stir 1 hour, when suspension becomes clarification, instill the THF weak solution of 1.00g hexachlorocyclotriph,sphazene (2.90mmol),, white solid stopped reaction in 70 DEG C of isothermal reaction 48h.By reacting liquid filtering, filter solid, take filtrate, then use saturation NaCl solution to extract 3 times, use anhydrous MgSO4Organic layer is dried, filters revolving, wash 2 times, filtration drying with methanol, obtain intermediate product 3.14g, yield is 92.7%.
The above-mentioned intermediate product (1.00mmol) that 1.170g step (1) is prepared by step (2), 2M K2CO3Solution 5mL, the ethanol solution of the boric acid of anthracene containing 2.00g (9.00mmol), 0.310g tetra-triphenylphosphine palladium (0.27mol), 50mL THF is added in two-mouth bottle, and reactant liquor is in light yellow, and evacuation-inflated with nitrogen is continuously taken a breath 3 times.Under conditions of 90 DEG C of oil baths, continuous stirring 48h.When reactant liquor from light yellow be changed into brown when stopped reaction.Question response liquid filters after being cooled to room temperature, filtrate is poured in excessive methanol, light yellow solid, filters, and is dried, and obtains pulverulent solids, column chromatography for separation, and eluent is dichloromethane/petroleum ether, obtains target product 1.170g, and yield is 66.8%.Compound 001 structural formula is
Nuclear-magnetism is as follows with mass spectrometric data,1H NMR(400MHz,CDCl3) δ 8.43 (s, 6H), 7.97 (s, 12H), 7.66 (d, J=13.8Hz, 24H), 7.48 (s, 12H), 7.29 (d, J=21.7Hz, 12H), 7.20 6.80 (m, 12H).
MALDI-TOF-MS(m/z):1751.9
Embodiment 2:The synthesis of compound 002, concrete preparation manipulation step is as follows:
Step (1) is by 4.80g K2CO3(34.8mmol), the THF solution of 5.00g tribromphenol (29.0mmol) and 50mL drying is added sequentially to two mouthfuls of flasks and forms white suspension, 70 DEG C of constant temperature stir 1 hour, when suspension becomes clarification, the THF weak solution of 1.00g hexachlorocyclotriph,sphazene (2.90mmol) is added in clear liquor,, stopped reaction during white solid in 70 DEG C of isothermal reaction 48h.By reacting liquid filtering, filter solid, take filtrate, then use saturation NaCl solution to extract 3 times, use anhydrous MgSO4Organic layer is dried, filters revolving, wash 2 times, filtration drying with methanol, obtain 3.30g intermediate product 2, yield is 96.0%.
The above-mentioned intermediate product (1.00mmol) that 1.170g step (1) is prepared by step (2), 2M K2CO3Solution 5mL, the ethanol solution of the boric acid of anthracene containing 2.00g (9.00mmol), 0.310g tetra-triphenylphosphine palladium (0.27mol), 50mL THF is added in two-mouth bottle, and reactant liquor is in light yellow, and evacuation-inflated with nitrogen is continuously taken a breath 3 times.Under conditions of 90 DEG C of oil baths, continuous stirring 48h.When reactant liquor from light yellow be changed into brown when stopped reaction.Question response liquid filters after being cooled to room temperature, filtrate is poured in excessive methanol, light yellow solid, filters, and is dried, and obtains pulverulent solids, column chromatography for separation, and eluent is dichloromethane/petroleum ether, obtains target product 1.318g, and yield is 75.2%.Compound 002 structural formula is
Nuclear magnetic data is as follows,1H NMR(400MHz,CDCl3) δ 8.33 (s, 6H), 7.86 (d, J=7.6Hz, 12H), 7.44 (d, J=8.0Hz, 12H), 7.23 (d, J=27.2Hz, 12H), 6.96 (dd, J=37.1,30.4Hz, 36H).
MALDI-TOF-MS(m/z):1751.5
Finally illustrate is, above example is only in order to illustrate technical scheme and unrestricted, although being described in detail to the present invention with reference to preferred embodiment, it will be understood by those within the art that, technical scheme can be modified or equivalent, objective without deviating from technical solution of the present invention and scope, it all should be covered the present invention'sClaimIn.

Claims (3)

1. a kind of organic blue light material with tripolyphosphazene as core is it is characterised in that the general structure of the organic blue-light emitting material of the star as core for this tripolyphosphazene is:
Wherein n=1,2;Anthracene nucleus passes through 9 carbon atoms and phenyl ring bridging, and link position can be para-position, meta or the ortho position of phenyl ring;R is any possible substituent group on anthracene nucleus, can be electrophilic group, electron-donating group, aromatic group or alkyl etc..
2.According to claimThe preparation method of the luminous organic material described in 1, its feature includes preparing by two-step reaction:
Step (1):By potassium carbonate (K2CO3), bromophenol, oxolane (THF) mix according to a certain percentage, stir, obtaining white suspension, heated constant temperature is for a period of time, suspension becomes clarification, it is subsequently adding hexachlorocyclotriph,sphazene, reaction a period of time under uniform temperature and stirring condition, until white solid, stopped reaction, extract filtrate by reacting liquid filtering, with saturated aqueous common salt, to organic layer through drying, filter, concentrate, precipitation, washing, be dried after intermediate product;
Step (2):By the intermediate product prepared by above-mentioned steps (1), K2CO3The mix homogeneously such as solution, anthracene boric acid, tetra-triphenylphosphine palladium, THF, under nitrogen protection, reaction a period of time under uniform temperature and stirring condition, until reactant liquor is changed into brown from light yellow;Stopped reaction, filter, precipitation, washing, dry, refined, obtain pulverulent solids.
3. one kind is required application in organic photoelectric switching device (electroluminescent, photovoltaic generation, colored display, field-effect diode etc.) and other possible fields for any one luminous organic material as described in 1.
CN201610162040.5A 2016-03-21 2016-03-21 Tripolyphosphazene-nucleated star-shaped organic blue-light material and preparation method therefor Pending CN106398682A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110746462A (en) * 2019-10-25 2020-02-04 北京理工大学 Efficient synthesis method of dendritic cyclotriphosphazene compound

Citations (3)

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CN105027314A (en) * 2013-03-05 2015-11-04 国立大学法人九州大学 Charge transport material, host material, thin film and organic light emitting element
CN105062469A (en) * 2015-08-26 2015-11-18 重庆理工大学 Six-nuclear cyclotriphosphazene terbium complex light-emitting material and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101467280A (en) * 2006-05-15 2009-06-24 日东电工株式会社 Light emitting devices and compositions
CN105027314A (en) * 2013-03-05 2015-11-04 国立大学法人九州大学 Charge transport material, host material, thin film and organic light emitting element
CN105062469A (en) * 2015-08-26 2015-11-18 重庆理工大学 Six-nuclear cyclotriphosphazene terbium complex light-emitting material and preparation method thereof

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T. MA 等: "Design and Synthesis of New Cyclic Phosphazene Based Blue Light- Emitting Dendrimers", 《INTERNATIONAL CONFERENCE ON INDUSTRIAL TECHNOLOGY AND MANAGEMENT SCIENCE》 *
马涛: "三聚磷腈为核的超支化蓝光材料的设计与合成", 《中国优秀硕士学位论文全文数据库 信息工程I辑》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110746462A (en) * 2019-10-25 2020-02-04 北京理工大学 Efficient synthesis method of dendritic cyclotriphosphazene compound

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