CN102898270A - Anthracene derivative organic semiconductor material, preparation method and applications thereof - Google Patents
Anthracene derivative organic semiconductor material, preparation method and applications thereof Download PDFInfo
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Abstract
The present invention discloses an anthracene derivative organic semiconductor material and a preparation method thereof. The anthracene derivative organic semiconductor material is a polymer represented by a molecular structure general formula (I), wherein R is C1-C12 alkyl or H. According to the present invention, phenyl is adopted to substitute dimer fluorene to be adopted as a rigid core so as to provide excellent thermal stability, such that a film manufactured from the anthracene derivative organic semiconductor material has characteristics of stable morphology and excellent performance; the anthracene derivative organic semiconductor material has high electron mobility, when a luminescence layer manufactured from the organic semiconductor material is used in an organic luminescence device, charge balance of the luminescence layer is easily achieved so as to improve luminescence strength and luminescence efficiency of the organic luminescence device, and luminescence performance is stable; and the preparation method for the anthracene derivative organic semiconductor material has characteristics of simple process, easy operation and control, high safety, high yield, and reduced production cost, and is suitable for industrial production.
Description
Technical field
The invention belongs to the photoelectric material technical field, relate to specifically a kind of anthracene derivative organic semiconductor material and its preparation method and application.
Background technology
Along with the development of information age, have efficient, energy-conservation, the organic EL display (OLEDs) of lightweight and the concern that the big area white-light illuminating more and more is subject to people.The OLED technology is paid close attention to by the scientist in the whole world, and relevant enterprise and laboratory are all in the research and development of carrying out this technology.As a kind of novel LED technology, have active illuminating, light, thin, good contrast, energy consumption organic electroluminescence device low, that can be made into the characteristics such as flexible device material has been proposed higher requirement.
Since C.W.Tang etc. reports Organic Light Emitting Diode (OLED) for the first time, no matter be small molecules or polymer LED, all obtained huge development.Its potential application is full color flat-panel monitor and solid-state white illumination.In three primary colours, ruddiness and green diode be all near the requirement of practical application, but blue light material is because greater band gap, and lower highest occupied molecular orbital (HOMO) energy level, therefore has larger carrier injection energy barrier; Simultaneously, high, unstable owing to emitted energy, easily energy occurs and shifts and to cause that the emission look impure, so development is relatively slow.The blue light emitting material of research and development high-level efficiency, high stable performance remains a difficult problem.
At present, owing to anthracene derivant with the focus that the fluorescence quantum yield of its superelevation and good Electroluminescence Properties and electrochemical properties become research, be widely used in and make up in the Efficiency of Organic Electroluminescent Devices.In numerous anthracene derivatives, 9, though 10-dinaphthyl anthracene becomes the significant molecule of blue fluorescent material owing to its excellent photoluminescent property and good chemical property.Yet be that the anthracene derivant of representative can not form high-quality film with 9,10-dinaphthyl anthracene, and be easy to crystallization by the film of vapor deposition, cause surface irregularity, crystal boundary and pin hole, finally cause component failure.
Summary of the invention
The object of the invention is to overcome the above-mentioned deficiency of prior art, the anthracene derivative that a kind of thermostability and stable appearance are high, luminous intensity is high organic semiconductor material is provided.
Another object of the present invention is to provide that a kind of technique is simple, productive rate is high, safe, the anthracene derivative organic semiconductor material preparation method that is easy to operate and control.
Further aim of the present invention be to provide above-mentioned anthracene derivative organic semiconductor material at organic electroluminescent device, organic solar batteries, organic field effect tube, organic optical memory, organic non-linear optical properties or/and the application in the organic laser.
In order to realize the foregoing invention purpose, the technical scheme of the embodiment of the invention is as follows:
A kind of anthracene derivative organic semiconductor material, its general formula of molecular structure are following (I):
(I) in the formula, R is C
1～C
12Alkyl or H.
And above-mentioned anthracene derivative organic semiconductor material preparation method comprises the steps:
The compd A, the compd B that provide respectively following structural formula to represent,
Under the condition that in oxygen-free environment, exists with organic palladium catalyzer, organic solvent, alkali lye, compd A, compd B are carried out the Suzuki coupling reaction, obtain the anthracene derivative organic semiconductor material of following general structure (I) expression,
R described in each step is C
1～C
12Alkyl or H.
Further, above-mentioned anthracene derivative organic semiconductor material is at the organic electroluminescent device, organic solar batteries, and organic field effect tube, organic optical memory, organic non-linear optical properties is or/and the application in the organic laser.
Above-mentioned anthracene derivative organic semiconductor material with phenyl substituted dimerization fluorenes as rigid nuclear, make it have excellent thermostability, when this anthracene derivative organic semiconductor material is made film, so that this film morphology stability is good, effectively overcome the defective of the easy crystallization of film that existing anthracene derivant organic semiconductor material makes.Above-mentioned anthracene derivative organic semiconductor material also has higher electronic mobility, wherein, the anthracene structural unit Effective Raise that contains in this anthracene derivative organic semiconductor material structural formula stability and the carrier transmission characteristics of this anthracene derivative organic semiconductor material.When the luminescent layer that will utilize this organic semiconductor material preparation is used for organic luminescent device, be conducive to the charge balance of luminescent layer, thereby improve this organic luminescent device luminous intensity and luminous efficiency, and stable luminescent property.R group Effective Raise the spectral range of the solvability of anthracene derivative organic semiconductor material, film forming properties and adjusting anthracene derivative organic semiconductor material, expanded the range of application of this anthracene derivative organic semiconductor material.
This anthracene derivative organic semiconductor material preparation method only need can obtain by the consumption of control reaction conditions and reactant, and technique is simple, is easy to operate and control, and is safe high with yield product, reduced production cost, is suitable for suitability for industrialized production.
Description of drawings
Fig. 1 is the schematic diagram of the structural formula of embodiment of the invention anthracene derivative organic semiconductor material;
Fig. 2 is embodiment of the invention anthracene derivative organic semiconductor material preparation method's schema;
Fig. 3 is the anthracene derivative organic semiconductor material thermogravimetic analysis (TGA) figure that utilizes embodiment 1 preparation;
Fig. 4 is with the anthracene derivative organic semiconductor material of the embodiment 1 preparation structural representation as the organic electroluminescence device of making luminescent layer;
Fig. 5 is with the anthracene derivative organic semiconductor material of the embodiment 2 preparation structural representation as the solar cell device of active coating;
Fig. 6 is with the anthracene derivative organic semiconductor material of the embodiment 3 preparation structural representation as the organic field effect tube device of organic semiconductor layer.
Embodiment
In order to make the technical problem to be solved in the present invention, technical scheme and beneficial effect clearer, below in conjunction with specific embodiments and the drawings, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
See also Fig. 1, show a kind of anthracene derivative organic semiconductor material general formula of molecular structure of the embodiment of the invention, its structure (I) as described below:
(I) in the formula, R is C
1～C
12Alkyl or H.
Like this, above-mentioned anthracene derivative organic semiconductor material with phenyl substituted dimerization fluorenes as rigid nuclear, make it have excellent thermostability, when this anthracene derivative organic semiconductor material is made film, so that this film morphology stability is good, effectively overcome the defective of the easy crystallization of film that existing anthracene derivant organic semiconductor material makes.Above-mentioned anthracene derivative organic semiconductor material also has higher electronic mobility, wherein, the anthracene structural unit Effective Raise that contains in this anthracene derivative organic semiconductor material structural formula stability and the carrier transmission characteristics of this anthracene derivative organic semiconductor material.The luminescent layer of this organic semiconductor material preparation is used for organic luminescent device, is conducive to the charge balance of luminescent layer, thereby improves this organic luminescent device luminous intensity and luminous efficiency, and stable luminescent property.R group Effective Raise the spectral range of the solvability of anthracene derivative organic semiconductor material, film forming properties and adjusting anthracene derivative organic semiconductor material, expanded the range of application of this anthracene derivative organic semiconductor material.
Preferably, in above-mentioned (I) formula, R is preferably C
2～C
8Alkyl or H.
The embodiment of the invention also provides the preparation method of above-mentioned anthracene derivative organic semiconductor material, and the technical process of the method sees also Fig. 2.This anthracene derivative organic semiconductor material is the preparation method comprise the steps:
S1: the compd A and the compd B that provide respectively following structural formula to represent,
S2: in oxygen-free environment and under the condition of organic palladium catalyzer, organic solvent and alkali lye existence, compd A and compd B are carried out the Suzuki coupling reaction, obtain following general structure and be the anthracene derivative organic semiconductor material of (I) expression; The Suzuki coupling reaction formula of this step S2 can be expressed as follows:
R described in each step is C
1～C
12Alkyl or H.
Particularly, among above-mentioned anthracene derivative organic semiconductor material preparation method's the step S1, compd B can directly be buied from the market or prepare by existing synthetic method.The preparation method of compd A preferably includes following steps:
S11: provide knot molecule structure formula to be
M-phthaloyl chloride and molecular structural formula be
Bromobenzene;
S12: in oxygen-free environment, be 1 (mol) with ratio: the m-phthaloyl chloride of 2 (mol), aluminum chloride place the reactor of the chlorobenzene of 1.3L to carry out building-up reactions, make molecular structural formula and are
1,3-two (4-benzoyl bromide) benzene (Compound C);
S13: in the oxygen-free environment, with molecular structural formula be
4,4 '-two replacement-2-bromo biphenyls (Compound D) be dissolved in the organic solvent, in organic solvent solution, drip n-Butyl Lithium subsequently, behind the stirring reaction, add again after Compound C that above-mentioned steps S12 makes reacts, make structural formula and be
1,3-two [2 ', 7 '-two replace-9 '-(4-bromophenyl) fluorenyl] benzene (compd A).Wherein, n-Butyl Lithium, 4,4 '-two replacement-2-bromo biphenyls, 1, the mol ratio of 3-two (4-benzoyl bromide) benzene is preferably 1.5: 1.5: 1; R in the molecular structural formula of compd A is preferably H or C
1～C
12Alkyl, R is preferably C
2～C
8Alkyl or H.
Particularly, among above-mentioned anthracene derivative organic semiconductor material preparation method's the step S2, the temperature of Suzuki coupling reaction is preferably 80 ℃～110 ℃, and the time is preferably 36 hours～and 60 hours.The temperature and time of this preferred coupled reaction can further promote this Suzuki coupling reaction forward to carry out, and further improve the speed of Suzuki coupling reaction and the productive rate of product anthracene derivative organic semiconductor material.Simultaneously, shorten the reaction times, reduced energy consumption.
Among the above-mentioned steps S2, compd A and compd B mol ratio be preferably 1: 2.1～and 1: 3.Add reactant according to this ratio, can guarantee that compd A, compd B fully react, thereby further improve the productive rate of product, reduce production costs.
Among the above-mentioned steps S2, the Suzuki coupling reaction needs the organic palladium catalyzer, this organic palladium catalyzer is preferably at least a in tetra-triphenylphosphine palladium, palladium, three (dibenzalacetone) two palladiums, the bi triphenyl phosphine dichloride palladium, and the addition of organic palladium catalyzer is preferably 1%～20% of compd B amount of substance.The preferred kind of this organic palladium catalyzer and addition can effectively further improve the yield of Suzuki coupling reaction speed and product.
Among the above-mentioned steps S2, the Suzuki coupling reaction also need to carry out in oxygen-free environment, and this is in order to prevent organic palladium catalyzer and the oxygen reaction in the Suzuki coupling reaction, to guarantee the activity of catalyzer.This oxygen-free environment can adopt vacuum or be full of rare gas element and realize, preferably is full of rare gas element and realizes oxygen-free environment, and this rare gas element is the art rare gas element commonly used, such as nitrogen, argon gas etc.
Among the above-mentioned steps S2, the organic solvent in the Suzuki coupling reaction is preferably at least a among a kind of in benzene, toluene, tetrahydrofuran (THF), the ethyl acetate, and its consumption should guarantee carrying out smoothly of Suzuki coupling reaction at least.
Among the above-mentioned steps S2, be the Suzuki coupling reaction owing to what carry out, therefore, can add an amount of alkali in Suzuki coupling reaction system, addition gets final product according to existing conventional the interpolation.This alkali can but be not only Cs
2CO
3, K
2CO
3, Na
2CO
3Or Li
2CO
3
In above-mentioned anthracene derivative organic semiconductor material preparation method, only need can obtain by the consumption of control reaction conditions and reactant, technique is simple, be easy to operate and control, safe high with yield product, reduced production cost, be suitable for suitability for industrialized production.
Above-mentioned anthracene derivative organic semiconductor material is because the molecular structure of self makes it have good thermostability and solubility property and the good stable appearance performance when using.Have above-mentioned good performance just because of embodiment of the invention anthracene derivative organic semiconductor material, make it can be at organic electroluminescent device, organic solar batteries, organic field effect tube, organic optical memory, organic non-linear optical properties or/and the application in the organic laser.
Now in conjunction with specific embodiments, the present invention is further elaborated.
Embodiment 1
The present embodiment anthracene derivative organic semiconductor material 1,3-two (9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene and preparation method thereof, the following I of its structural formula
1Shown in:
The preparation process of above-mentioned anthracene derivative organic semiconductor material is as follows:
(1) compd A, the compd B that provide respectively following structural formula to represent,
Wherein, the preparation method of compd A is as follows:
(1.1) 1; the preparation of 3-two (4-benzoyl bromide) benzene: in the 250mL there-necked flask, pass into nitrogen; and the adding m-phthaloyl chloride (15g under agitation condition; 0.074mol) and the 100mL bromobenzene; add in batches again aluminum trichloride (anhydrous) (20.7g; 0.155mol); and stirred 9 hours under the room temperature; in 90 ℃ of stirring reactions 2 hours, behind the cool to room temperature, product is poured in the ice-cold methyl alcohol again; filter; obtain white crystal product 1,3-two (4-benzoyl bromide) benzene, its productive rate 95.3%.This 1, the hydrogen nuclear magnetic resonance spectroscopy analysis of 3-two (4-benzoyl bromide) benzene is
1H NMR (400MHz, CDCl
3, δ): 8.13 (s, 1H), 8.01-7.99 (d, J=8Hz, 2H), 7.70-7.64 (m, 9H).The chemical equation of 1,3-two (4-benzoyl bromide) benzene is as follows:
(1.2) 1; the preparation of 3-two (9-(4-bromophenyl) fluorenyl) benzene: in the 250mL there-necked flask, pass into nitrogen; and under agitation condition, add 2-bromo biphenyl (3.495g; 15mmol) and THF (50mL); mixture is cooled to-78 ℃; (concentration is the hexane solution of 2.5mol/L n-Butyl Lithium to drip n-Butyl Lithium again; 6mL; 15mmol); dropwising rear continuation stirred 45 minutes; be cooled to-78 ℃; then drip THF solution (4.441g, the 10mmol of 1,3-two (4-benzoyl bromide) benzene; 100mL) react; slowly return to afterwards room temperature, stirred 12 hours, add saturated sodium bicarbonate aqueous solution (50mL) quencher reaction; and separatory; with dichloromethane extraction (3 * 60mL), merge organic layer, removal of solvent under reduced pressure; obtain residue; add acetic acid 100mL dissolving; the 2mL hydrochloric acid catalysis, reflux 10 hours is behind the cool to room temperature; acetic acid is removed in underpressure distillation; obtain crude product, this crude product is purified through the toluene recrystallization, obtains white powder 1; 3-two (9-(4-bromophenyl) fluorenyl) benzene is compd A, and its productive rate is 96%.The hydrogen nuclear magnetic resonance spectroscopy analysis of this compd A is
1H NMR (400MHz, CDCl
3, δ): 7.75-7.73 (d, J=8.0Hz, 4H), 7.39 (s, 1H), 7.37-7.34 (t, J=7.2Hz, 4H), (7.31-7.29 d, J=8.0Hz, 4H), 7.24-7.22 (d, J=7.2Hz, 3H), 7.20-7.18 (d, J=8.0Hz, 4H), 6.96-6.94 (d, J=8.0Hz, 5H), (6.94 s, 1H), 6.84-6.82 (m, 2H).The chemical equation of 1,3-two (4-benzoyl bromide) benzene is as follows:
(2) 1, the preparation of 3-two (9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene: in there-necked flask, pass into nitrogen, add 1,3-two (9-(4-bromophenyl) fluorenyl) benzene (0.716g, 1.0mmol), 10-benzene anthracene boric acid is compd B (0.926g, 2.0mmol), four (triphenyl phosphorus) palladium (69.4mg, the relatively 3mol% of 10-benzene anthracene boric acid consumption), toluene (50mL) and wet chemical (2M, 15mL), be heated to 110 ℃ and refluxed 24 hours, separate organic layer after the cooling, adopt dichloromethane extraction (3 * 50mL), merge organic layer, anhydrous magnesium sulfate drying, underpressure distillation desolventizing, obtain crude product, crude product is separated through silicagel column, and methylene dichloride/sherwood oil drip washing obtains sterling 1,3-two [9-(10-(4-(9H-9-carbazole) benzene) anthracene-9-p-phenyl) fluorenyl] benzene, its productive rate is 89%.This 1, the ultimate analysis of 3-two (9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene: C
84H
54: C, 94.88%; H, 5.12%.Found:C, 94.85%; H, 5.10%.This 1, the chemical equation of 3-two (9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene is as follows:
With 1 of the present embodiment 1 preparation, 3-two (9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene organic semiconductor material carries out the thermal weight loss test analysis, and test result as shown in Figure 3.As shown in Figure 3,1 of the present embodiment 1 preparation, the thermal weight loss temperature (Td) of 3-two (9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene 5% is 504 ℃, illustrated this 1,3-two (9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene organic semiconductor material thermal stability is high.
Embodiment 2
The present embodiment anthracene derivative organic semiconductor material 1,3-two (2,7-dimethyl-9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene and preparation method thereof, the following I of its structural formula
2Shown in:
The preparation process of above-mentioned anthracene derivative organic semiconductor material is as follows:
(1): the compd A, the compd B that provide respectively following structural formula to represent,
Wherein, the preparation method of compd A is:
The preparation of (1.1) 1,3-two (4-benzoyl bromide) benzene: with reference to step (1.1) among the embodiment 1.
(1.2) 1,3-two (2,7-dimethyl-9-(4-bromophenyl) fluorenyl) benzene is the preparation of compd A: with reference to step (1.2) among the embodiment 1, difference is to use 2-bromo-4 in this step, and 4 '-dimethyl diphenyl replaces the 2-bromo biphenyl.
(2) 1,3-two (2,7-dimethyl-9-(4-(10-benzene anthracene) phenyl) fluorenyl) preparation of benzene: in there-necked flask, pass into nitrogen, adding 1,3-two (2,7-dimethyl-9-(4-bromophenyl) fluorenyl) benzene is compd A (0.773g, 1.0mmol), 10-phenylanthracene-9-boric acid is compd B (0.596g, 2.0mmol), bi triphenyl phosphine dichloride palladium (14mg, the 1mmol% of relative 10-phenylanthracene-9-boric acid consumption), tetrahydrofuran (THF) (50mL) and wet chemical (2M, 15mL) are heated to 80 ℃ and refluxed 48 hours, separate organic layer after the cooling, the employing dichloromethane extraction (3 * 50mL), merge organic layer, anhydrous magnesium sulfate drying, the underpressure distillation desolventizing, obtain crude product, crude product is separated through silicagel column, methylene dichloride/sherwood oil drip washing, obtain sterling 1,3-two (2,7-dimethyl-9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene, its productive rate is 87%.This 1, the ultimate analysis of 3-two (2,7-dimethyl-9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene: C
88H
62: C, 94.42%; H, 5.58%.Found:C, 94.41%; H, 5.55%.This 1, the chemical equation of 3-two (2,7-dimethyl-9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene is as follows:
With 1 of the present embodiment 2 preparations, 3-two (2,7-dimethyl-9-(4-(10-benzene anthracene) phenyl) fluorenyl) the benzene organic semiconductor material carries out the thermal weight loss test analysis and learns, this is 1 years old, the thermal weight loss temperature (Td) of 3-two (2,7-dimethyl-9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene 5% is 492 ℃.
Embodiment 3
The present embodiment anthracene derivative organic semiconductor material 1,3-two (2,7-dihexyl-9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene and preparation method thereof, the following I of its structural formula
3Shown in:
The preparation process of above-mentioned anthracene derivative organic semiconductor material is as follows:
(1): the compd A, the compd B that provide respectively following structural formula to represent,
Wherein, the preparation method of compd A is:
The preparation of (1.1) 1,3-two (4-benzoyl bromide) benzene: with reference to step (1.1) among the embodiment 1.
(1.2) 1,3-two (2,7-dihexyl-9-(4-bromophenyl) fluorenyl) benzene is the preparation of compd A: with reference to step (1.2) among the embodiment 1, difference is to use 2-bromo-4 in this step, and 4 '-dihexyl biphenyl replaces the 2-bromo biphenyl.
(2) 1,3-two (2,7-dihexyl-9-(4-(10-benzene anthracene) phenyl) fluorenyl) preparation of benzene: in there-necked flask, pass into nitrogen, adding 1,3-two (2,7-dihexyl-9-(4-bromophenyl) fluorenyl) benzene is compd A (1.58g, 1.5mmol), 10-phenylanthracene-9-boric acid is compd B (0.894g, 3.0mmol), palladium (67.2mg, the 2mmol% of relative 10-phenylanthracene-9-boric acid consumption), benzene (75mL) and wet chemical (2M, 30mL) are heated to 100 ℃ and refluxed 60 hours, separate organic layer after the cooling, the employing dichloromethane extraction (3 * 50mL), merge organic layer, anhydrous magnesium sulfate drying, the underpressure distillation desolventizing, obtain crude product, crude product is separated through silicagel column, methylene dichloride/sherwood oil drip washing, obtain sterling 1,3-two (2,7-dihexyl-9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene, its productive rate is 75%.This 1, the ultimate analysis of 3-two (2,7-dihexyl-9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene: C
108H
102: C, 92.66%; H, 7.34%.Found:C, 92.63%; H, 7.35%.This 1, the chemical equation of 3-two (2,7-dihexyl-9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene is as follows:
With 1 of the present embodiment 3 preparations, 3-two (2,7-dihexyl-9-(4-(10-benzene anthracene) phenyl) fluorenyl) the benzene organic semiconductor material carries out the thermal weight loss test analysis and learns, this is 1 years old, the thermal weight loss temperature (Td) of 3-two (2,7-dihexyl-9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene 5% is 478 ℃.
Embodiment 4
The present embodiment anthracene derivative organic semiconductor material 1,3-two (2,7-two (dodecyl)-9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene and preparation method thereof, the following I of its structural formula
4Shown in:
The preparation process of above-mentioned anthracene derivative organic semiconductor material is as follows:
(1) compd A, the compd B that provide respectively following structural formula to represent,
Wherein, the preparation method of compd A is:
The preparation of (1.1) 1,3-two (4-benzoyl bromide) benzene: with reference to step (1.1) among the embodiment 1.
(1.2) 1,3-two (2,7-two (dodecyl)-9-(4-bromophenyl) fluorenyl) benzene is the preparation of compd A: with reference to step (1.2) among the embodiment 1, difference is to replace the 2-bromo biphenyl with 2-bromo-4,4 '-two (dodecyl) biphenyl in this step.
(2) 1,3-two (2,7-two (dodecyl)-9-(4-(10-benzene anthracene) phenyl) fluorenyl) preparation of benzene: in there-necked flask, pass into nitrogen, add 1,3-two (2,7-two (dodecyl)-9-(4-bromophenyl) fluorenyl) benzene, be compd A (2.084g, 1.5mmol), 10-phenylanthracene-9-boric acid is compd B (0.894g, 3.0mmol), three (dibenzalacetone) two palladium (55mg, the 2mmol% of relative 10-phenylanthracene-9-boric acid consumption), ethyl acetate (75mL) and wet chemical (2M, 30mL), be heated to 90 ℃ and refluxed 48 hours, separate organic layer after the cooling, adopt dichloromethane extraction (3 * 50mL), merge organic layer, anhydrous magnesium sulfate drying, the underpressure distillation desolventizing obtains crude product, crude product is separated through silicagel column, methylene dichloride/sherwood oil drip washing obtains sterling 1, and 3-two (2,7-two (dodecyl)-9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene, its productive rate is 76%.This 1, the ultimate analysis of 3-two (2,7-two (dodecyl)-9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene: C
132H
150: C, 91.29%; H, 8.71%.Found:C, 91.26%; H, 8.72%.This 1, the chemical equation of 3-two (2,7-two (dodecyl)-9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene is as follows:
With 1 of the present embodiment 4 preparations, 3-two (2,7-two (dodecyl)-9-(4-(10-benzene anthracene) phenyl) fluorenyl) the benzene organic semiconductor material carries out the thermal weight loss test analysis and learns, this is 1 years old, the thermal weight loss temperature (Td) of 3-two (2,7-two (dodecyl)-9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene 5% is 435 ℃.
Application Example 1
With 1 of embodiment 1 preparation, the preparation of the organic electroluminescence device (OLED) of luminescent layer is done in the conduct of 3-two (9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene organic semiconductor material:
See also Fig. 4, show and adopt 1 of above-described embodiment 1 preparation, 3-two (9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene is as the organic electroluminescence device of making luminescent layer, and it comprises matrix 11, conductive layer 12, hole injection layer-hole transmission layer 13, luminescent layer 14, hole blocking layer-electron transfer layer 15, electron injecting layer 16, the metal level 17 that is cascading.Wherein, matrix 11 is glass, and anode 12 can adopt tin indium oxide (referred to as ITO), is preferably the tin indium oxide that square resistance is 10-20 Ω/; Hole injection layer in hole injection layer-hole transmission layer 13 is m-MTDATA, and hole transmission layer is N, N '-two (Alpha-Naphthyl)-N, N '-phenylbenzene-4,4 '-diamines (NPB); Luminescent layer 14 is 1,3-two (9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene doped F Irpic phosphor material; Hole barrier-electron transfer layer 15 is TPBI; Electron injecting layer 16 is LiF; Metal 16 is the MAGNESIUM METAL silver alloys.
The manufacturing processed of this organic electroluminescence device is as follows:
1) ito glass is carried out ultrasonic cleaning, and with after oxygen-Plasma processing, form the substrate of glass basis 11 and anode 12 combinations;
2) at ito anode 12 surperficial spin coating one deck m-MTDATA as hole injection layer,, then at hole injection layer surface spin coating one deck NPB as hole transmission layer, thereby form hole injection layer-hole transmission layer 13;
3) be spin-coated among the embodiment 11 of preparation on hole injection layer-hole transmission layer 13 surfaces, 3-two (9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene Doping Phosphorus luminescent material forms luminescent layer 14;
4) the thick TPBI of spin coating one deck 40nm successively on luminescent layer 14 consists of hole barrier/electron transfer layer 15;
5) in hole barrier/electron transfer layer 15 outside surfaces plating a layer thickness be the LiF formation electron injecting layer 16 of 1nm;
6) at electron injecting layer 16 surface vacuum evaporation metal magnesium silver alloys, form metallic cathode 17, obtain organic electroluminescence device.
Above-mentioned all material all after purifying, is carried out the device preparation in distillation.Organic layer and electrode are in 3 * 10 in cavity
-5Evaporation under the vacuum tightness of Pa and, the evaporation speed of organic layer is
The evaporation speed of lithium fluoride is
The evaporation speed of argent is
The test of all properties all is to record in the environment of normal pressure, room temperature.Thickness is by near the quartz crystal monitoring that is positioned at the substrate in the evaporate process, and proofreaies and correct through XP-2 step instrument (Ambios company).The light-emitting area of the organic electroluminescence device that makes is 2mm
2After tested, by above-mentioned preparation to have among the embodiment 11,3-two [9-(10-(4-(9H-9-carbazole) benzene) anthracene-9-p-phenyl) fluorenyl] benzene organic semiconductor material is 24.0cdA as organic electroluminescence device (OLED) maximum luminous efficiency of making luminescent layer
-1, high-high brightness is 53504cd/m
2
Application Example 2
With 1 of the embodiment of the invention 2 preparation, 3-two (2,7-dimethyl-9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene organic semiconductor material is as the preparation of the solar cell device of active coating:
See also Fig. 5, this solar cell device comprises glass-base 21, transparent anode 22, middle supplementary layer 23, active coating 24, the negative electrode 25 that stacks gradually.Transparent anode 22 can adopt tin indium oxide (referred to as ITO), is preferably the tin indium oxide that square resistance is 10-20 Ω/.Middle supplementary layer 23 adopts poly-3,4-Ethylenedioxy Thiophene and polystyrene-sulfonic acid matrix material (referred to as PEDOT:PSS).Active coating 24 comprises electron donor material and electron acceptor material, and electron donor material adopts 1 of embodiment 2 preparations, 3-two (2,7-dimethyl-9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene, and electron acceptor material can be [6,6] phenyl-C
61-methyl-butyrate (referred to as PCBM).Negative electrode 25 can adopt aluminium electrode or double-metal layer electrode, such as Ca/Al or Ba/Al etc., and its thickness is preferably 170nm, 30nm, 130nm or 60nm.Glass-base 21 can be used as bottom, during making, choose ito glass, and after ultrasonic cleaning, process with oxygen-Plasma, supplementary layer 23 in the middle of ito glass applies, again with 1 of embodiment 1 preparation, 3-two (2,7-dimethyl-9-(4-(10-benzene anthracene) phenyl) fluorenyl) in the middle of benzene and electron acceptor material are coated on after by blend on the supplementary layer 23, form active coating 24, and then by vacuum evaporation technology deposition cathode 25 on active coating 24, obtain above-mentioned solar cell device.This solar cell device also needs through heating under 110 degrees centigrade of air tight conditions 4 hours, drop to again room temperature, can effectively increase order and the regularity arranged between interior each group of molecule and molecule segment after device is annealed, improve transmission speed and the efficient of carrier mobility, and then improve photoelectric transformation efficiency.In the present embodiment, the thickness of negative electrode 25Al layer is respectively 170nm.
As shown in Figure 5, under illumination, light transmission glass-base 21 and ITO electrode 22, the luminescent material in the active coating 24 absorbs luminous energy, and produces exciton, these excitons move to electron donor(ED)/acceptor material at the interface again, and with transfer transport to electron acceptor material, such as PCBM, realize the separation of electric charge, thereby form freely current carrier, i.e. freely electronics and hole.These freely electronics along electron acceptor material to metallic cathode transmission and collected by negative electrode, the hole is along electron donor material to ito anode transmission and collected by anode freely, thereby forms photoelectric current and photovoltage, realizes opto-electronic conversion, during external load 26, can power to it.In this process, luminescent material can utilize luminous energy more fully because it has very wide spectral response range, to obtain higher photoelectric transformation efficiency, increases the electricity generation ability of solar cell device.And this organic materials can also alleviate the quality of solar cell device, and can make by technology such as spin coatings, is convenient to large batch of preparation.
Application Example 3
Contain 1 of the embodiment of the invention 3 preparations, the preparation of 3-two (2,7-dihexyl-9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene organic field effect tube:
See also Fig. 6, this organic field effect tube comprises substrate 31, insulation layer 32, decorative layer 33, the organic semiconductor layer 34 that is cascading and is located at source electrode 35 and drain electrode 36 on the organic semiconductor layer 34.Wherein, substrate 31 can be but be not limited to highly doped silicon chip (Si), and insulation layer 32 can be but be not limited to micro-nano (such as 450nm) thick SiO
2 Organic semiconductor layer 34 adopts 1 of above-described embodiment 3 preparations, 3-two (2,7-dihexyl-9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene.Source electrode 35 and drain electrode 36 all can adopt but be not limited to gold.Decorative layer 33 can be but be not limited to octadecyl trichlorosilane alkane (OTS).
The manufacturing processed of this organic field effect tube is as follows:
1) clean doped silicon substrate 31, deposition has the SiO of insulating effect
2Layer 32;
2) at SiO
2Apply OTS on the insulation layer 32, form OTS layer 33;
3) apply one deck in 1 of embodiment 3 preparations at OTS layer 33,3-two (2,7-dihexyl-9-(4-(10-benzene anthracene) phenyl) fluorenyl) benzene forms organic semiconductor layer 34;
4) source electrode 35 and the drain electrode 36 of metallic gold material are set at organic semiconductor layer 34, obtain organic field effect tube.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. anthracene derivative organic semiconductor material, its general formula of molecular structure is following (I):
(I) in the formula, R is C
1～C
12Alkyl or H.
2. anthracene derivative organic semiconductor material according to claim 1, it is characterized in that: R is C
2～C
8Alkyl.
3. an anthracene derivative organic semiconductor material preparation method comprises the steps:
The compd A and the compd B that provide respectively following structural formula to represent,
Under the condition that in oxygen-free environment, exists with organic palladium catalyzer, organic solvent, alkali lye, compd A, compd B are carried out the Suzuki coupling reaction, obtain the anthracene derivative organic semiconductor material of following general structure (I) expression,
R described in each step is C
1～C
12Alkyl or H.
4. anthracene derivative organic semiconductor material preparation method according to claim 3, it is characterized in that: the temperature of described Suzuki coupling reaction is 80 ℃～110 ℃, and the time is 36～60 hours.
5. anthracene derivative organic semiconductor material preparation method according to claim 3, it is characterized in that: described compd A and compd B mol ratio are 1: 2.1～1: 3.
6. anthracene derivative organic semiconductor material preparation method according to claim 3, it is characterized in that: described organic palladium catalyst loading is 1%～20% of compd B amount of substance.
7. it is characterized in that according to claim 3 or 6 described anthracene derivative organic semiconductor material preparation methods: described organic palladium catalyzer is at least a in tetra-triphenylphosphine palladium, palladium, three (dibenzalacetone) two palladiums, the bi triphenyl phosphine dichloride palladium.
8. anthracene derivative organic semiconductor material preparation method according to claim 3 is characterized in that: the organic solvent of described Suzuki coupling reaction is at least a in benzene, toluene, tetrahydrofuran (THF), the ethyl acetate.
9. anthracene derivative organic semiconductor material preparation method according to claim 3, it is characterized in that: the acquisition methods of described compd A is:
The Compound C and the Compound D that provide following structural formula to represent,
Compound C:
Compound D:
In oxygen-free environment and under the condition of organic solvent existence, Compound D is dissolved in the organic solvent, in the organic solvent that contains described Compound D, drips n-Butyl Lithium again, under-78 ℃～-70 ℃ condition, react, then add Compound C and react, obtain described compd A.
According to claim 1 to 2 arbitrary described anthracene derivative organic semiconductor material at organic electroluminescent device, organic solar batteries, organic field effect tube, organic optical memory, organic non-linear optical properties or/and the application in the organic laser.
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