CN105754591B - A kind of crystal formation of the cuprous complex luminescent material of benzoxazolyl isoquinolin - Google Patents
A kind of crystal formation of the cuprous complex luminescent material of benzoxazolyl isoquinolin Download PDFInfo
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- 239000000463 material Substances 0.000 title claims abstract description 67
- 239000013078 crystal Substances 0.000 title claims abstract description 15
- BRXWCPVYZSSHPX-UHFFFAOYSA-N 2-isoquinolin-1-yl-1,3-benzoxazole Chemical compound C1=CC=C2C(C=3OC4=CC=CC=C4N=3)=NC=CC2=C1 BRXWCPVYZSSHPX-UHFFFAOYSA-N 0.000 title claims abstract description 7
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 5
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000003446 ligand Substances 0.000 claims abstract description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000002360 preparation method Methods 0.000 claims abstract description 7
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims abstract description 5
- 125000000623 heterocyclic group Chemical group 0.000 claims abstract description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- 238000010668 complexation reaction Methods 0.000 claims description 7
- 235000000621 Bidens tripartita Nutrition 0.000 claims description 5
- 240000004082 Bidens tripartita Species 0.000 claims description 5
- VMQMZMRVKUZKQL-UHFFFAOYSA-N Cu+ Chemical compound [Cu+] VMQMZMRVKUZKQL-UHFFFAOYSA-N 0.000 claims description 5
- 208000006637 fused teeth Diseases 0.000 claims description 5
- 150000001768 cations Chemical class 0.000 claims description 4
- 239000013522 chelant Substances 0.000 claims description 4
- AWJUIBRHMBBTKR-UHFFFAOYSA-N isoquinoline Chemical group C1=NC=CC2=CC=CC=C21 AWJUIBRHMBBTKR-UHFFFAOYSA-N 0.000 claims description 4
- 125000000355 1,3-benzoxazolyl group Chemical group O1C(=NC2=C1C=CC=C2)* 0.000 claims description 3
- 230000006837 decompression Effects 0.000 claims description 2
- VURFVHCLMJOLKN-UHFFFAOYSA-N diphosphane Chemical compound PP VURFVHCLMJOLKN-UHFFFAOYSA-N 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
- 239000000376 reactant Substances 0.000 claims description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 2
- BCMCBBGGLRIHSE-UHFFFAOYSA-N 1,3-benzoxazole Chemical compound C1=CC=C2OC=NC2=C1 BCMCBBGGLRIHSE-UHFFFAOYSA-N 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000004020 luminiscence type Methods 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 2
- 239000011368 organic material Substances 0.000 abstract description 2
- GPAYUJZHTULNBE-UHFFFAOYSA-N diphenylphosphine Chemical compound C=1C=CC=CC=1PC1=CC=CC=C1 GPAYUJZHTULNBE-UHFFFAOYSA-N 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 150000003384 small molecules Chemical class 0.000 abstract 1
- 239000010949 copper Substances 0.000 description 32
- 241000736199 Paeonia Species 0.000 description 4
- 235000006484 Paeonia officinalis Nutrition 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000011365 complex material Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 150000004699 copper complex Chemical class 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 239000013110 organic ligand Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 150000004696 coordination complex Chemical class 0.000 description 1
- 125000003963 dichloro group Chemical group Cl* 0.000 description 1
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical class C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005401 electroluminescence Methods 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
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000000634 powder X-ray diffraction Methods 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000001757 thermogravimetry curve Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 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
-
- 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
Cuprous complex red phosphor material based on benzoxazolyl isoquinolin the invention discloses a kind of crystal formation and preparation method thereof.Phosphorescent complexes of the invention, are obtained by cuprous salt with ligand complex, and its molecular structure is [Cu (2 iQBO) (POP)] PF6, 2 iQBO and POP are electroneutral heterocyclic ligand benzoxazolyl isoquinolin and double (2 diphenylphosphine) phenylates in formula.The complex had both possessed small molecule and had been easily purified the advantage high with luminous efficiency, and with heat endurance high.The material is by Cu (CH3CN)4PF6Obtained with the direct hybrid reaction of the dichloromethane solution of part, with technique it is easy, equipment is simple, raw material is easy to get and low cost and other advantages.The material can be used as luminescence generated by light feux rouges phosphor material, 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
With the development in epoch, the mankind enter the information age, the current extensive information technology revolution for launching, to society
The direction of change plays huge effect.Nowadays information content is huge, information transmission very rapid, information processing is quick, although with
Highly integrated development of electronic devices speed based on the inorganic semiconductor materials such as silicon, germanium and device quickly, but its information pass
Speed is passed still to be limited and " electronic bottleneck ".In order to break through this bottleneck, photoelectron technology is arisen at the historic moment, and as photoelectron skill
The Display Technique of one of the key areas of art, is also developed rapidly.Search out new cheap metal combination object light
Sulfate ferroelectric functional material just seems increasingly important.For noble metal, the rich reserves of copper, and with cheap, environmentally friendly, nontoxic etc.
Advantage.Based on the research of the luminous new material of univalent copper complex, have broad prospects and practical significance.
Luminescent material includes electroluminescent and the big application field of luminescence generated by light two.And electroluminescent therein
(electroluminescent, abbreviation EL), refer to luminescent material in the presence of electric field, excited by electric current and electric field and
Luminous phenomenon, is a kind of luminescence process that electric energy is converted into luminous energy.Material with the performance, can be used to make automatically controlled
Luminescent device, such as light emitting diode (LED) and Organic Light Emitting Diode (Organic Light-Emitting Diode, letter
Claim OLED).It is described as with fantasy display feature and FPD (flat panel display, FPD) technology-organic
Light emitting diode and its display device have received people and greatly pay close attention to.During electroluminescent, after electronics and hole-recombination,
Singlet state and triplet exciton are generated simultaneously, according to spin statistics principle, the ratio of the exciton number of singlet state and triplet is 1
: 3, because the radiation transistion of triplet exciton is prohibited, the triplet exciton luminous efficiency of most of organic material is very low, and
The efficiency of organic electroluminescence device cannot be more than 25%.The atom centered on d10 elements, its complex for being formed can occur
Various electron transition modes, therefore triplet energies are effectively utilized, its efficiency is improve, realize close to the 100% of theoretical value.
OLED phosphor materials on sale are all the complexs of precious metal iridium and platinum etc. at present, although they in performance
There is preferably performance, but these transition metal are expensive, and content is low, and exploitation is difficult, and them are limited in certain limit in reality
Large-scale application in border life, production.Therefore, new cheap metal complex photoelectric functional material is found just to show
Obtain extremely important.For noble metal, copper has the advantage such as cheap, environmentally friendly, nontoxic, and China's copper resource reserves are rich
Richness, occupies third place in the world.Therefore, the research based on the luminous new material of univalent copper complex, with very important theory significance
And actual application value.And with Cu (I) complexs as phosphor material it is then long-standing (N.Armaroli, G.Accorsi,
F.Cardinali, A.Listorti, Top.Curr.Chem.2007,280,69-115.), this cheap Cu (I) complex
Luminescent material can easily be prepared by Cu (I) ions and suitable organic ligand.Cu (I) complex has abundant chemistry knot
Structure, Cu (I) complex for having monokaryon and double-core or even multinuclear, its part is also rich and varied, can be rigidity or flexible, monodentate, double
Tooth is multiple tooth.Its coordination mode is changeable, and ligancy is various, and the cuprous cooperation of different coordination modes is can obtain at different conditions
Thing, property also differs widely, for the research of luminescent material provides more possibilities.Simply at present in OLED operating temperature models
The luminous intensity for enclosing Cu (I) complex phosphorescence material does not reach application demand still.Therefore new cheap Cu (I) complex is developed
Phosphor material has great actual application value.
The content of the invention
The purpose of present invention is to provide cuprous complex luminescent material of a kind of red phosphorescent and preparation method thereof.Pass through
There is complexation reaction in cuprous ion, prepared conveniently and inexpensively luminescent properties and heat endurance with the solution of organic ligand
The good cuprous complex luminescent material of energy, its red phosphorescent luminous intensity is big, heat endurance is good, and its decay of luminescence characteristic
Meet very much requirement of the OLED to material phosphorescence luminescent lifetime, be applied to OLED emitting layer materials be conducive to product into
This reduction.
One of technical scheme, is to provide a kind of cuprous complex luminescent material of new red phosphorescent, by Cu
(CH3CN)4PF6There is complexation reaction successively with part to obtain, its molecular structure is [Cu (2-iQBO) (POP)] PF6, POP in formula
It is double (2- diphenylphosphines) phenyl ethers of electroneutral biphosphine ligand, 2-iQBO is neutral heterocyclic ligand benzoxazolyl isoquinolin.
The luminescent material is anorthic system, P-1 space groups, and cell parameter is α=76.315 (4) °, β=84.229 (4) °, γ=71.759 (4) °,Z=2,
DC=1.463g/cm3, the crystal color of material is red；The luminescent material structure shows as ionic complex, wherein hexafluoro
Phosphate radical is counter anion, and cation be then be complexed by cuprous ion and part 2-iQBO, POP formed coordination sun from
Son；Cuprous ion uses CuN in the complex cation2P2Tetrahedral coordination mode, two of which N is respectively from one
Isoquinolin group and benzoxazoles group in double-tooth chelate ligand 2-iQBO, two P come from another double-tooth chelate ligand
POP；Its molecular structure such as formula (I)：
The luminescent material is applied to red phosphorescence material, and the material is subject to the purple of wave-length coverage (300-500nm) very wide
Exciting for outer light or visible ray, can send very strong feux rouges, and its maximum emission wavelength is 675nm, chromaticity coordinates for (0.6973,
0.3026), luminescent lifetime is 4.6 microseconds.
The two of technical scheme, are to provide a kind of cuprous complex luminescent material of red phosphorescent [Cu (2-iQBO)
(POP)]PF6Preparation method.The preparation method is by Cu (CH3CN)4PF6With the dichloromethane solution of part 2-iQBO and POP
There is complexation reaction in mixing, finally separate out and obtain the product of crystal powder and realize.Its specific embodiment is divided into five steps：
(1) at room temperature by Cu (CH3CN)4PF6Powder is dissolved in dichloromethane, obtains settled solution A；
(2) powder of part POP is dissolved completely in dichloromethane at room temperature, obtains settled solution B；
(3) powder of part 2-iQBO is dissolved completely in dichloromethane at room temperature, obtains settled solution C；
(4) stirred after mixing solution A, solution B, solution C, be allowed to fully complexation reaction；
(5) after isopropanol is added in reacting resulting solution, rotated under normal temperature decompression to dry, obtain red crystals product
Thing.
In preparation method of the present invention, the mol ratio Cu (CH of three kinds of reactants3CN)4PF6: POP: 2-iQBO is 1: 1:
1。
Beneficial effects of the present invention are the cuprous complex luminescent material of provided red phosphorescent [Cu (2-iQBO) first
(POP)]PF6, wherein the benzoxazole group for introducing and isoquinolin group are conducive to molecular-excited state to light, Ni metal to part
The presence of charge transtion (MLCT) effectively facilitate intersystem crossing, and the presence of the group such as a large amount of phenyl ring causes to match somebody with somebody around Cu (I)
There is effective steric hindrance in body, can suppress the non-radiative decay of molecular-excited state, part 2-iQBO and POP all matching somebody with somebody for many aromatic rings
Body, all with very big rigidity characteristic, thus the phosphorescent emissions performance that the molecular material has had.The complex material both possessed
Advantage that is cheap and being easy to purifying, and be that the further application of luminescent material is carried with good dissolubility and heat endurance
Technical support is supplied.
Beneficial effects of the present invention, next to that preparing the cuprous complex luminescent material of red phosphorescent [Cu (2-iQBO)
(POP)]PF6Method, easy with technique, device therefor is simple, and low production cost can be had in a short period of time
There is the product of very high yield.
Brief description of the drawings
Fig. 1 phosphorescent complexes material [Cu (2-iQBO) (POP)] PF6The mono-crystalline structures figure of molecule.
Fig. 2 phosphorescent complexes material [Cu (2-iQBO) (POP)] PF6Molecule in unit cell and its peripheral space accumulation
Figure.
Fig. 3 phosphorescent complexes material [Cu (2-iQBO) (POP)] PF6X-ray powder diffraction collection：According to (a)
Single crystal structural data calculates the spectrogram for obtaining in embodiment 2；B () is the collection of illustrative plates of gained powder in the embodiment of the present invention 1.
Fig. 4 phosphorescent complexes material [Cu (2-iQBO) (POP)] PF6Thermal gravimetric analysis curve, abscissa represents temperature,
Ordinate represents percetage by weight.
Fig. 5 phosphorescent complexes material [Cu (2-iQBO) (POP)] PF6Ultraviolet-ray visible absorbing (UV-Vis) spectrogram.
Fig. 6 phosphorescent complexes material [Cu (2-iQBO) (POP)] PF6Crystallite sample is determined under 675 nanometers of supervisory wavelengths
Excite spectrogram.
Fig. 7 phosphorescent complexes material [Cu (2-iQBO) (POP)] PF6Crystallite sample excites lower survey in 400 nano wave length light
Fixed light emission spectrum figure.
Specific embodiment
The performance of implementation process of the invention and material is illustrated by embodiment：
Embodiment 1
Substantial amounts of phosphorescent complexes material [Cu (2-iQBO) (POP)] PF6The preparation of crystallite sample：Weigh 0.054g's
The 2-iQBO (0.1mmol) of POP (0.1mmol), 0.024g, the Cu (CH of 0.037g3CN)4PF6(0.1mmol)；It is separately added into
Mix after the dichloromethane dissolving of 3ml, be sufficiently stirred for being allowed to fully complexation reaction, obtain peony settled solution；Upper
State and add in solution isopropanol, and revolving removes all solvents at room temperature, finally gives red crystals product, yield is 91%
(being calculated with Cu).
Embodiment 2
Synthesis red phosphorescent complex material [Cu (2-iQBO) (POP)] PF6Monocrystalline：Weigh the POP of 0.054g
(0.1mmol), the 2-iQBO (0.1mmol) of 0.024g, the Cu (CH of 0.037g3CN)4PF6(0.1mmol)；Add the dichloro of 4ml
Methane, is sufficiently stirred for being allowed to fully complexation reaction, obtains peony settled solution；Revolving removes all solvents at room temperature
Afterwards, add 2ml dichloromethane, and solution upper strata covering isopropanol promote product to crystallize, it is several days standing after have a large amount of peonys
Bulk crystals are separated out.A peony bulk crystals for 0.49mm*0.46mm*0.40mm sizes are selected for X-ray monocrystalline knot
Structure is tested.The molecular structure of the compound is shown graphically in the attached figures 1, and its structure cell packed structures is illustrated in accompanying drawing 2.
To red phosphorescent complex material [Cu (2-iQBO) (POP)] PF6Pure phase crystal prototype carried out some row
Can test.Steady-state fluorescence test is carried out to material crystals of the present invention, has as a result shown that the material is made in different and excitation wavelength
Under, strong red fluorescence can be launched, chromaticity coordinates value is (0.6973,0.3026), specific excitation spectrum and transmitting
Spectrum is as shown in accompanying drawing 5 and accompanying drawing 6.And the transient state fluorometric investigation of the material is shown, its luminescent lifetime is 4.6 microseconds, is belonged to
Phosphorescent emissions.It can be seen that, the material can be applied to the red phosphorescence material that multi-wavelength excites, and be also very suitable for luminous for OLED
The red phosphorescence material of layer.
Claims (3)
1. the cuprous complex red phosphor material based on benzoxazolyl isoquinolin of a kind of crystal formation, it is characterised in that：It is luminous
The structural formula of material is [Cu (2-iQBO) (POP)] PF6, POP is double (2- diphenylphosphines) phenyl of electroneutral biphosphine ligand in formula
Ether；2-iQBO is neutral heterocyclic ligand benzoxazolyl isoquinolin in formula, and the part is the knot of benzoxazole and isoquinolin group
Zoarium, its molecular structure such as formula (I)：
Above-mentioned material is anorthic system, P-1 space groups, and cell parameter is
α=76.315 (4) °, β=84.229 (4) °, γ=71.759 (4) °,Z=2, DC=1.463g/cm3, material
The crystal color of material is red；The luminescent material structure shows as ionic complex, wherein hexafluoro-phosphate radical for contend with it is cloudy from
Son, and cation is then to be complexed the coordination cation for being formed by cuprous ion and part 2-iQBO, POP；The complex cation
Middle cuprous ion uses CuN2P2Tetrahedral coordination mode, two of which N is respectively from a double-tooth chelate ligand 2-iQBO
In isoquinolin group and benzoxazoles group, two P come from another double-tooth chelate ligand POP；Its molecular structure such as formula
(II)：
2. the preparation method of cuprous complex red phosphor material according to claim 1, its method is comprised the following steps：
(1) at room temperature by Cu (CH3CN)4PF6Powder is dissolved in dichloromethane, obtains settled solution A；
(2) powder of part POP is dissolved completely in dichloromethane at room temperature, obtains settled solution B；
(3) powder of part 2-iQBO is dissolved completely in dichloromethane at room temperature, obtains settled solution C；
(4) stirred after mixing solution A, solution B and solution C, be allowed to fully complexation reaction；
(5) after isopropanol is added in reacting resulting solution, rotated to dry under normal temperature decompression, obtain red crystals product；On
Mol ratio Cu (the CH of the three kinds of reactants stated3CN)4PF6: POP: 2-iQBO is 1: 1: 1.
3. the application of cuprous complex red phosphor material according to claim 1, it is characterised in that the luminescent material exists
Have maximum emission peak at 675nm, can as red emission embedded photoluminescent material, or as multilayer electroluminescent device in it is luminous
Layer luminescent material.
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