CN107011888A - A kind of cuprous complex luminescent material of the tetrahedral containing phenanthroline ligand of crystal formation - Google Patents
A kind of cuprous complex luminescent material of the tetrahedral containing phenanthroline ligand of crystal formation Download PDFInfo
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- 239000000463 material Substances 0.000 title claims abstract description 57
- DGEZNRSVGBDHLK-UHFFFAOYSA-N [1,10]phenanthroline Chemical compound C1=CN=C2C3=NC=CC=C3C=CC2=C1 DGEZNRSVGBDHLK-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 239000013078 crystal Substances 0.000 title claims abstract description 17
- 239000003446 ligand Substances 0.000 title claims abstract description 10
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 5
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 claims abstract description 49
- YNPNZTXNASCQKK-UHFFFAOYSA-N Phenanthrene Natural products C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 claims abstract description 29
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims abstract description 13
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000002360 preparation method Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000011368 organic material Substances 0.000 claims abstract description 5
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 12
- 239000000047 product Substances 0.000 claims description 7
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- 238000010668 complexation reaction Methods 0.000 claims description 6
- 150000001768 cations Chemical class 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- VMQMZMRVKUZKQL-UHFFFAOYSA-N Cu+ Chemical compound [Cu+] VMQMZMRVKUZKQL-UHFFFAOYSA-N 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000000376 reactant Substances 0.000 claims description 3
- 150000001450 anions Chemical class 0.000 claims description 2
- 239000000706 filtrate Substances 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000004020 luminiscence type Methods 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 150000003384 small molecules Chemical class 0.000 abstract description 2
- 239000003960 organic solvent Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000010949 copper Substances 0.000 description 32
- 238000011160 research Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 229910052741 iridium Inorganic materials 0.000 description 3
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005401 electroluminescence Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- -1 iridium (Ir) Chemical class 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RICKKZXCGCSLIU-UHFFFAOYSA-N 2-[2-[carboxymethyl-[[3-hydroxy-5-(hydroxymethyl)-2-methylpyridin-4-yl]methyl]amino]ethyl-[[3-hydroxy-5-(hydroxymethyl)-2-methylpyridin-4-yl]methyl]amino]acetic acid Chemical compound CC1=NC=C(CO)C(CN(CCN(CC(O)=O)CC=2C(=C(C)N=CC=2CO)O)CC(O)=O)=C1O RICKKZXCGCSLIU-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000011365 complex material Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000000695 excitation spectrum Methods 0.000 description 1
- 238000002284 excitation--emission spectrum Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000013110 organic ligand Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- RPGWZZNNEUHDAQ-UHFFFAOYSA-N phenylphosphine Chemical compound PC1=CC=CC=C1 RPGWZZNNEUHDAQ-UHFFFAOYSA-N 0.000 description 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000000634 powder X-ray diffraction Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005395 radioluminescence Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000000904 thermoluminescence Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
Classifications
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- 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
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F1/00—Compounds containing elements of Groups 1 or 11 of the Periodic Table
- C07F1/08—Copper compounds
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/30—Coordination compounds
- H10K85/371—Metal complexes comprising a group IB metal element, e.g. comprising copper, gold or silver
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- 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
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/18—Metal complexes
- C09K2211/188—Metal complexes of other metals not provided for in one of the previous groups
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Abstract
The invention discloses cuprous complex luminescent material of yellow green phosphorescence tetrahedral of a kind of crystal formation and preparation method thereof.The phosphorescent complexes of the present invention, are obtained by cuprous salt with ligand complex, and its molecular structure is Cu (Phen) (PPh3)2(PF6), Phen and PPh in formula3For electroneutral ligand 1,10 Phens and triphenylphosphine.The complex had both possessed small molecule and has been easily purified the advantage high with luminous efficiency, and had the advantages that easy-to-use organic solvent dissolving.The material is by Cu (CH3CN)4PF6Obtained with the direct hybrid reaction of solution of two kinds of parts, with technique is easy, equipment is simple, raw material is easy to get and low cost and other advantages.The material can be used as the yellowish green luminescent material of luminescence generated by light, it is also possible to make the luminescent layer phosphor material in the electroluminescent device of multilayer organic material composition.
Description
Technical field
The present invention relates to luminescent material technical field, it is related to embedded photoluminescent material field and electroluminescent material field, it is special
It is not to be related to field of organic electroluminescent materials.
Background technology
Luminescent material has luminescence generated by light, cathode-ray luminescence, electroluminescent, thermoluminescence, light to release luminous, radioluminescence
Deng.Wherein, electroluminescent (electroluminescent, abbreviation EL), refers to luminescent material under electric field action, by electric current
With exciting for electric field and luminous phenomenon, also known as electroluminescence.Current electroluminescent research direction is mainly organic material
Using such as Organic Light Emitting Diode (Organic Light-Emitting Diode, abbreviation OLED).By its luminescent material
Molecular weight, OLED can be divided into small molecule Organic Light Emitting Diode (OLED or SM-OLED), and macromolecule (also known as polymer) is organic
Light emitting diode (PLED or P-OLED) two classes, the former molecular weight between 500~2000, the latter 10000~100000 it
Between.
From Tang in 1987 etc. report first high brightness and low-work voltage organic electroluminescence device (OLEDs) it
Afterwards, everybody has unprecedented research enthusiasm to it.Taken the lead in from Pioneer companies of Japan in 1997 after OLEDs is commercialized, because of it
Huge commercial value in terms of solid-state illumination and display and be considered as a new generation flat panel display.OLED is used as flat board
Display Technique with faster response speed, lower driving voltage, broader is regarded compared with existing lcd technology
The distinguishing features such as angle, can be further applied TV, computer, instrument etc. as display screen.Nowadays, Samsung, LG, Sony,
Numerous International Electro major companies such as Sharp have participated among OLEDs technical research one after another.
Organic electroluminescent can be divided into fluorescence and the class of phosphorescence two by its luminescence mechanism：The former is that the radiation of singlet excitons declines
Subtract transition, luminescent lifetime is nanosecond；Caused by the latter is triplet exciton attenuation transition, because existing in its transition process
Prohibit, therefore luminescent lifetime is Microsecond grade.Can be by its internal quantum efficiency if the luminescent layer of device only makes of fluorescent material
(IQE) limitation of (in theory only have 25%) and the energy can not be made full use of.And transition metal such as iridium (Ir), ruthenium (Ru), rhenium
(Re), the emitting complexes such as platinum (Pt) as a kind of phosphor material because being acted on very strong SO coupling, can be abundant
Using including all input energies of triplet and triplet, therefore its internal quantum efficiency can reach 100% in theory, compared to fluorescence
It is many that material is higher by whole three times.The personage that the country is engaged in OLED researchs is then used as phosphor using noble metals such as iridium more.But iridium etc.
Complex presently, there are that cost is high, resource is few and the inevitable limitation such as not environmentally.Therefore, research and develop some low cost,
Multiple resource and environmental protection phosphor material it is extremely urgent.Cu (I) complexs are with its environmental protection and cheap etc. advantage is fine appears
Angle, because it also has the features such as copper resource reserves are big, structure diversification, photophysical property are unique and increasingly receives much attention.
The part being related in Cu (I) complex, can be monodentate, bidentate or multiple tooth, rigidity or flexible.In addition, complex
In cuprous site there is changeable coordination mode, various selectable ligancy.Simultaneously there is monokaryon, double-core in its space structure
Or even the structure of multinuclear, common monokaryon forms triangle or positive tetrahedron type based on 3,4 coordinations, multinuclear as four cores can
Form square.Some parts, due to its internal degree of freedom, at different conditions, molecule can take different shapes, and occur
Conformational polymerphism, forms allomorph, and the generation of novel crystal forms enriches the diversity of its structure, and the research to luminescent material is carried
More possibilities are supplied.
Through research and development for many years, it is found that Cu (I) complexs also have some shortcomings in reality is used, such as Cu (I) matches somebody with somebody
Compound glow color is more based on green glow and gold-tinted, luminosity is not generally high.We try to introduce some specific functions
Functional group lifts the luminosity and efficiency of Cu (I) complex.Phen and its derivative are widely used in photoelectricity material
The fields such as material, wherein 1,10- Phen is easily coordinated to form stable emitting complexes with cuprous ion, such complex has
Good physicochemical properties, therefore be widely used in preparing electroluminescent organic material.Develop the new of various glow colors
Cheap Cu (I) complex phosphorescence material is of great immediate significance.
The content of the invention
It is an object of the invention to provide a kind of new cuprous complex luminescent material of yellow green phosphorescence tetrahedral and its system
Preparation Method.It is convenient and inexpensively to have prepared luminescent properties good by the solution complexation reaction of Cu (I) ions and organic ligand
Good Cu (I) complex luminescent material, its yellow green phosphorescence luminous intensity is very big, and its decay of luminescence feature meets very much
Requirement of the OLED to material phosphorescence luminescent lifetime, is applied to the drop that OLED emitting layer materials are conducive to product cost
It is low.
One of technical scheme, is to provide a kind of luminous material of new cuprous complex of yellow green phosphorescence tetrahedral
Material, by Cu (CH3CN)4PF6Complexation reaction is carried out with part to obtain, its molecular structure is Cu (Phen) (PPh3)2(PF6), in formula
Phen and PPh3Respectively electroneutral ligand 1,10- Phens and triphenylphosphine.
The ligand 1,10- Phens, its molecular structure such as formula (I)：
The coordination mode of one bidentate chelating of N atoms and cuprous ion formation in the part.
The luminescent material is monoclinic system, C2/c space groups, cell parameter α=90 °, β=112.522 (11) °, γ=90 °,Z=8, Dc=
1.388g/cm3, crystal color is light yellow；Complex shows as ionic complex, and counter anion therein is hexafluoro phosphorus
Acid group, and cation is then by cuprous ion and part Phen, PPh3It is complexed the coordination cation formed；The coordination cation
Middle Cu (I) uses CuN2P2Tetrahedral coordination pattern, two of which N both is from the Phen parts of a bidentate chelating, and two
P comes from two PPh3Part；Its molecular structure such as formula (II)：
The luminescent material is applied to green-yellow light phosphor material, and the material is by very wide wave-length coverage (250-470nm)
Exciting for ultraviolet light or visible ray, can send very strong yellow-green light, and its maximum emission wavelength is 530nm, and chromaticity coordinates value is
(0.3349,0.5338), luminescent lifetime is 9 microseconds.
The yellow green phosphorescent light-emitting materials are used as the luminescent layer phosphorus in the electroluminescent device that multilayer organic material is constituted
Luminescent material.
The two of technical scheme, are to provide a kind of cuprous complex Cu (Phen) of yellow green phosphorescence tetrahedral
(PPh3)2(PF6) luminescent material preparation method.The preparation method is by Cu (CH3CN)4PF6With two kinds of parts in the solution
Complexation reaction occurs for mixing, then removes solvent and is realized so as to separate out the crystal of product.Its specific embodiment is divided into four
Individual step：
(1) at room temperature by Cu (CH3CN)4PF6It is completely dissolved in acetonitrile solvent；
(2) at room temperature by part Phen and PPh3Powder be dissolved completely in dichloromethane；
(3) described two solution are mixed, and stirring is allowed to fully occur complexation reaction；
(4) by reacting liquid filtering, and add after isopropanol and quickly to rotate gained filtrate under vacuumized conditions, remove molten
Agent is to obtain lurid crystalline product.
In the preparation method of the present invention, the mol ratio Cu (CH of three kinds of reactants3CN)4PF6∶Phen∶PPh3For 1: 1:
2。
Beneficial effects of the present invention are the cuprous complex Cu (Phen) of provided yellow green phosphorescence tetrahedral first
(PPh3)2(PF6) luminescent material, wherein armaticity phenanthroline ligand rigidity it is very big, be very beneficial for molecular-excited state hair
Light, the presence of the charge transtion (MLCT) of Ni metal to part effectively facilitates intersystem crossing, and on the other hand big Phosphine ligands three
Phenylphosphine causes there is larger steric hindrance around Cu (I), so as to suppress the non-radiative decay of molecular-excited state, thus
The phosphorescent emissions performance that the molecular material has had.The complex material had both possessed advantage that is cheap and being easy to purifying, and tool
There is good dissolubility, technical support is provided for the further application of luminescent material.
Beneficial effects of the present invention, next to that preparing yellow green phosphorescence Cu (I) complexs Cu (Phen) (PPh3)2(PF6) hair
The method of luminescent material, easy with technique, device therefor is simple, and raw material is simple and easy to get, and production cost is low, can be very short
The product with very high yield is obtained in time.
Brief description of the drawings
Fig. 1 phosphorescent complexes Cu (Phen) (PPh3)2(PF6) molecule mono-crystalline structures figure.
Fig. 2 phosphorescent complexes Cu (Phen) (PPh3)2(PF6) molecule is in unit cell and its peripheral space accumulation graph.
Fig. 3 phosphorescent complexes Cu (Phen) (PPh3)2(PF6) molecule infrared absorption (FT-IR) spectrogram.
Fig. 4 phosphorescent complexes Cu (Phen) (PPh3)2(PF6) X-ray powder diffraction collection：(a) it is according to embodiment
Single crystal structural data calculates the spectrogram obtained in 2；(b) it is the collection of illustrative plates of gained powder in the embodiment of the present invention 1.
Fig. 5 phosphorescent complexes Cu (Phen) (PPh3)2(PF6) ultraviolet-ray visible absorbing (UV-Vis) spectrogram.
Fig. 6 complexs Cu (Phen) (PPh3)2(PF6) PLE that is determined under 530 nanometers of supervisory wavelengths of crystal prototype
Figure.
Fig. 7 complexs Cu (Phen) (PPh3)2(PF6) light emission spectrum of the crystal prototype in the case where 385 nano wave length light are excited
Figure.
Embodiment
The implementation process of the present invention and the performance of material are illustrated by embodiment：
Embodiment 1
Substantial amounts of Cu (Phen) (PPh3)2(PF6) crystal prototype preparation：First weigh 373mg Cu (CH3CN)4PF6Dissolving
In 7mL acetonitriles, then weigh 198mg Phen and 525mg PPh3Part is dissolved in 10mL dichloromethane (described together
The mol ratio of three kinds of reactants is 1: 1: 2), both solution mixed, and stirring is allowed to fully occur complexation reaction, finally will
Gained yellow solution is filtered, and adds all solvents of quick revolving removing, vacuum drying after isopropanol, obtains pale yellow crystals powder
End is product, yield 95% (in terms of Cu).
Embodiment 2
Synthesize Cu (I) complexs Cu (Phen) (PPh3)2(PF6) monocrystalline：First weigh 37mg Cu (CH3CN)4PF6Dissolving
In 5mL acetonitriles, then weigh 20mg Phen and 53mg PPh3Part is dissolved in 5mL dichloromethane together, then the latter
Solution is once added in former solution, and stirring is filtered after being allowed to reaction completely, and n-hexane is covered on solution and promotes product to crystallize,
A large amount of pale yellow crystals are separated out after standing a couple of days.The pale yellow color strip-shaped for selecting a 0.32mm × 0.30mm × 0.13mm sizes is brilliant
Body is tested for x-ray crystal structure.The molecular structure of the compound is shown graphically in the attached figures 1, and its structure cell packed structures is illustrated in attached
Fig. 2.
To complex Cu (Phen) (PPh3)2(PF6) pure phase crystal prototype carried out a series of performance tests.To this hair
Bright material crystals have carried out steady-state fluorescence test, as a result show that the material under different excitation wavelength effects, can be launched
Strong green-yellow light, chromaticity coordinates value is that chromaticity coordinates value is (0.3349,0.5338), and specific excitation spectrum and emission spectrum are such as
Shown in accompanying drawing 6 and accompanying drawing 7.And the transient state fluorometric investigation of the material is shown, its luminescent lifetime is 9 microseconds, belongs to phosphorescent emissions.
It can be seen that, the material can be applied to the yellow green phosphor material that multi-wavelength excites, and be also very suitable for the Huang for OLED luminescent layers
Green phosphorescent material.
Claims (5)
1. a kind of cuprous complex luminescent material of yellow green phosphorescence tetrahedral of crystal formation, it is characterised in that：The knot of luminescent material
Structure formula is Cu (Phen) (PPh3)2(PF6), Phen is electroneutral ligand 1 containing N, 10- Phens, its molecular structure such as formula in formula
(I)；PPh in formula3For electroneutral ligand triphenylphosphine containing P, its molecular structure such as formula (II)：
The luminescent material is monoclinic system, C2/c space groups, cell parameter
α=90 °, β=112.522 (11) °, γ=90 °,Z=8, Dc=1.388g/cm3, crystal color is shallow
Yellow；Complex shows as ionic complex, and counter anion therein is hexafluoro-phosphate radical, and cation is then by cuprous
Ion and part Phen, PPh3It is complexed the coordination cation formed；Cu (I) uses CuN in the coordination cation2P2Tetrahedron is matched somebody with somebody
Bit pattern, two of which N both is from the Phen parts of a bidentate chelating, and two P come from two PPh3Part；Its point
Minor structure such as formula (III)：
2. the preparation method of the cuprous complex luminescent material of yellow green phosphorescence tetrahedral, this method according to claim 1
Comprise the following steps：
(1) at room temperature by Cu (CH3CN)4PF6It is completely dissolved in acetonitrile solvent；
(2) at room temperature by part Phen and PPh3Powder be dissolved completely in dichloromethane；
(3) described two solution are mixed, and stirring is allowed to fully occur complexation reaction；
(4) by reacting liquid filtering, and add after isopropanol and quickly to rotate gained filtrate under vacuumized conditions, removing solvent is
Obtain lurid crystalline product.
3. the preparation method of the cuprous complex luminescent material of green phosphorescent tetrahedral according to claim 2, its feature exists
In：Mol ratio Cu (the CH of three kinds of reactants3CN)4PF6∶Phen∶PPh3For 1: 1: 2.
4. the application of the cuprous complex luminescent material of yellow green phosphorescence tetrahedral according to claim 1, it is characterised in that
The luminescent material is applied to green-yellow light embedded photoluminescent material.
5. the application of the cuprous complex luminescent material of yellow green phosphorescence tetrahedral according to claim 1, it is characterised in that
The luminescent material is used as the luminescent layer phosphor material in the electroluminescent device that multilayer organic material is constituted.
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| CN109776614A (en) * | 2019-03-25 | 2019-05-21 | 中国计量大学 | A kind of cuprous complex fluorescent sensing material of pair of 4- picoline steam selective response |
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| EP0123493A1 (en) * | 1983-04-19 | 1984-10-31 | The Standard Oil Company | Photochemical conversion and storage of light energy by photoisomerization of compounds such as norbornadiene and its derivatives |
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| CN104892645A (en) * | 2015-06-17 | 2015-09-09 | 中国计量学院 | Cuprous complex phosphor material of methyl substitution benzoxazolyl pyridine |
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| CN109776614A (en) * | 2019-03-25 | 2019-05-21 | 中国计量大学 | A kind of cuprous complex fluorescent sensing material of pair of 4- picoline steam selective response |
| CN109776614B (en) * | 2019-03-25 | 2021-03-19 | 中国计量大学 | Cuprous complex fluorescent sensing material selectively responding to 4-methylpyridine steam |
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