CN102329413B - [2,1-b:3,4-b'] 2,2'-bithienyl-naphthalene diimide-containing conjugated polymer and preparation method and application thereof - Google Patents
[2,1-b:3,4-b'] 2,2'-bithienyl-naphthalene diimide-containing conjugated polymer and preparation method and application thereof Download PDFInfo
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- 0 CCCCCCCCN(C(c(c1c2c(C(N3**)=O)cc(Br)c11)cc(Br=C)c2C3=O)=O)C1=O Chemical compound CCCCCCCCN(C(c(c1c2c(C(N3**)=O)cc(Br)c11)cc(Br=C)c2C3=O)=O)C1=O 0.000 description 1
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Abstract
The invention discloses a [2,1-b:3,4-b'] 2,2'-bithienyl-naphthalene diimide-containing conjugated polymer, which is characterized by being a compound shown as a general formula in the specifications, wherein R1 and R2 refer to alkyl with 1-20 carbon atoms; R3 refers to alkyl with 1-20 carbon atoms or shown substituted phenyl; R4, R5 and R6 represent hydrogen and alkyl or alkoxyl with 1-20 carbon atoms likewise or differently; x is more than or equal to 1 and less than 2; y is more than 0 and less than or equal to 1; x+y=2; and an is an integer ranging from 1 to 120. The [2,1-b:3,4-b'] 2,2'-bithienyl-naphthalene diimide-containing conjugated polymer is prepared by undergoing a Stille reaction which has a simple reaction synthesis route and low process requirements, and has high film forming performance, high thermal stability performance, high carrier mobility, high molar absorptivity, a wide light absorbing range and wide application; and the matching degree with a sunlight emission spectrum is increased, and the photoelectric conversion efficiency can be increased.
Description
Technical field
The present invention relates to technical field of polymer materials, relate in particular to a kind of polymkeric substance, preparation and application thereof, more particularly, relate to a kind of contain benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers, preparation method and application thereof.
Background technology
Utilize cheap material preparation low cost, dynamical solar cell is photovoltaic hot research fields and difficult point always.The silicon solar cell that is used for ground at present is restricted its application owing to complex manufacturing, cost are high.In order to reduce cost, expand range of application, people are seeking novel solar cell material always for a long time.Polymer solar battery has advantages such as mode large-area preparation such as cost of material is cheap, light weight, flexibility, simple, the available coating of production technique, printing and receives much concern because of it; If can its energy conversion efficiency be brought up to the level near the commodity silicon solar cell, its market outlook will be very huge.
Go up report conjugated polymers and C from N.S.Sariciftci in 1992 etc. at SCIENCE (N.S Sariciftci, L.Smilowitz, A.J.Heeger, et al.Science, 1992,258,1474)
60Between photoinduction transfer transport phenomenon after, people have dropped into big quantity research aspect polymer solar battery, and have obtained development at full speed.At present, the research of polymer solar battery mainly concentrates on to body, acceptor co-mixing system, adopts PTB7 and PC
71The energy conversion efficiency of BM co-mixing system has reached 7.4% (Y.Liang et al., Adv.Mater.; DOI:10.1002/adma.200903528); But still much lower than the efficiency of conversion of inorganic solar cell, the main restricting factor that limiting polymer solar cell photoelectric efficiency of conversion improves has: the spectral response and the solar radiation spectrum of the relatively low carrier mobility of organic semiconductor device, device does not match, the red light district of high photon flux is not used effectively etc.In order to make polymer solar battery obtain actual application, the material of development of new increases substantially the top priority that its effciency of energy transfer is still this research field.
Summary of the invention
The technical problem that the present invention will solve is; Above-mentioned defective to prior art; A kind of benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers of containing is provided; It has higher carrier mobility, higher molar absorptivity and wide light abstraction width, has improved the matching degree with the sunshine emmission spectrum, can improve photoelectric transformation efficiency.
The technical problem that the present invention further will solve is, the preparation method who contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers that a kind of synthetic route is simple, processing requirement is low also is provided.
The technical problem that the present invention further will solve is, a kind of contain benzene azoles and the application of two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers in preparation organic solar batteries device, organic field effect tube, organic electroluminescence device, organic light storage device, organic non-linear optical properties and organic laser apparatus also are provided.
In order to reach above-mentioned purpose, according to the present invention, a kind of benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers of containing is provided, it is characterized in that, be the compound of following general formula:
Wherein, R
1, R
2Be C
1～C
20Alkyl, R
3Be C
1～C
20Alkyl or
Shown in substituted-phenyl, R
4, R
5, R
6Be expressed as hydrogen, C identical or differently
1～C
20Alkyl or alkoxyl group, 1≤x＜2,0＜y≤1, x+y=2, n are 1～120 integer.
In order to reach above-mentioned purpose,, a kind of preparation method who contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers is provided also according to the present invention; With 2, and the two tin trimethyls of 7--benzene azoles [2,1-b:3; 4-b '] two thiophene, 2,7-two bromo-benzene azoles [2,1-b:3; 4-b '] two thiophene and N, N '-two replaces-2,6-two bromo-1; 4,5, the 8-naphthalenetetracarbacidic acidic diimide is a raw material; Mol ratio and the catalyzer of above-mentioned raw materials according to m: p: q joined in the organic solvent, under oxygen-free environment, carry out Shi Dile (Stille) and react 24～72h, obtain above-mentioned benzene azoles and the two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers of containing in 60～130 ℃; Said 2, and the two tin trimethyls of 7--benzene azoles [2,1-b:3; 4-b '] two thiophene that general formula is
is said 2,7-two bromo-benzene azoles [2,1-b:3; 4-b '] general formula of two thiophene is
said N; N '-two replaces-2,6-two bromo-1,4; 5, the general formula of 8-naphthalenetetracarbacidic acidic diimide is
Wherein, m+p+q=2, m=p+q, 0≤p＜1, R
1, R
2Be C
1～C
20Alkyl, R
3Be C
1～C
20Alkyl or
Shown in substituted-phenyl, R
4, R
5, R
6Be expressed as hydrogen, C identical or differently
1～C
20Alkyl or alkoxyl group.
The preparation method who contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers of the present invention; Wherein, Said catalyzer is the mixture of organic palladium or organic palladium and organophosphorus ligand, and said catalyst consumption counts 2 by mole, the two tin trimethyls of 7--benzene azoles [2; 1-b:3,4-b '] two thiophene consumptions 0.05～50%.Preferably, said organic palladium is preferably Pd
2(dba)
3, Pd (PPh
3)
4Or Pd (PPh
3)
2Cl
2, said organophosphorus ligand is preferably P (o-Tol)
3Preferably, the mol ratio of organic palladium and organophosphorus ligand is 1: 2～20 in the mixture of said organic palladium and organophosphorus ligand.
The preparation method who contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers of the present invention, preferably, said organic solvent is at least a in THF, glycol dimethyl ether, benzene, chlorobenzene, the toluene.
The preparation method who contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers of the present invention, wherein, further comprising the steps of:
The reacted mixed solution of Shi Dile is added drop-wise to carries out sedimentation in the methyl alcohol, behind suction filtration, methanol wash, drying step,, join in the aqueous solution of Thiocarb, be heated to 80～100 ℃ of stirred overnight with the chlorobenzene dissolving; With the column chromatography of organic phase through aluminum oxide; After organic solvent, methyl alcohol sedimentation, suction filtration are removed in chloroform drip washing, decompression; The gained solid extracts with acetone Suo Shi; Methyl alcohol sedimentation once more, suction filtration are taken out under the vacuum pump and are spent the night, and obtain containing benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers solid.
In order to reach above-mentioned purpose; According to the present invention, above-mentioned contain benzene azoles and the application of two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers in preparation organic solar batteries device, organic field effect tube, organic electroluminescence device, organic light storage device, organic non-linear optical properties and organic laser apparatus are provided.
In order to reach above-mentioned purpose; According to the present invention; A kind of organic solar batteries device is provided; Comprise substrate layer, first electrode layer, photoactive layer, the second electrode lay, said photoactive layer comprises electron donor material layer and electron acceptor material layer, and the material of said electron donor material layer is above-mentioned benzene azoles and the two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers of containing.
In order to reach above-mentioned purpose, according to the present invention, a kind of organic electroluminescence device is provided, comprise substrate, anode, luminescent layer, impact plies, negative electrode, the material of said luminescent layer is above-mentioned benzene azoles and the two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers of containing.
In order to reach above-mentioned purpose; According to the present invention; A kind of organic field effect tube is provided, comprises silicon substrate, insulation layer, organic semiconductor layer, source electrode and drain electrode, the material of said organic semiconductor layer is above-mentioned benzene azoles and the two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers of containing.
Benzene azoles and the two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers of containing of the present invention contains benzene azoles [2,1-b:3,4-b '] two thiophene and the unitary structure of naphthalenetetracarbacidic acidic diimide.Benzene azoles [2; 1-b:3,4-b '] two thiophene have the inflexible crystalline structure, and two thiphene ring in its structural unit are on same plane; Can effectively prolong the conjugation performance of polymkeric substance; Reduce the bandwidth of polymkeric substance, make current carrier between two main chains, shift to become and be more prone to, thereby increased carrier mobility.The naphthalenetetracarbacidic acidic diimide unit is as a kind of good body unit that receives with strong electron-withdrawing power; Contain big planar conjugate system and good molecule coplanarity; The interaction of intermolecular big π key is very strong; Improved electronics and the hole transport character and the electrochemical reduction character of polymkeric substance, naphthalimide unit has stronger modifiability, can utilize easy method to introduce alkyl chain to improve solubleness.Benzene azoles and the two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers of containing of the present invention has film forming properties and thermal stability preferably, higher carrier mobility, higher molar absorptivity and wide light abstraction width; Improve the matching degree with the sunshine emmission spectrum, thereby improved photoelectric transformation efficiency.
The preparation method who contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers of the present invention, this method synthetic route is simple, processing requirement is low, can prepare high-quality benzene azoles and the two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers of containing.
Benzene azoles and the two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers of containing of the present invention; As a kind of organic semiconductor material; Have film forming properties and thermal stability preferably, higher carrier mobility, higher molar absorptivity and wide light abstraction width; Improved matching degree with the sunshine emmission spectrum; Can be widely used in the photoelectricity technical field, for example the application in preparation organic solar batteries device, organic field effect tube, organic electroluminescence device, organic light storage device, organic non-linear optical properties and organic laser apparatus.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is for the structural representation that contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers as the organic solar batteries device of photoactive layer of the present invention;
Fig. 2 is for the structural representation that contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers as the organic electroluminescence device of luminescent layer of the present invention;
Fig. 3 is for the structural representation that contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers as the organic field effect tube of organic semiconductor layer of the present invention.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer, the present invention is further specified below in conjunction with accompanying drawing and embodiment.
Benzene azoles and the two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers of containing of the present invention, be utilize a certain proportion of 2, the two tin trimethyls of 7--benzene azoles [2,1-b:3; 4-b '] two thiophene, 2,7-two bromo-benzene azoles [2,1-b:3,4-b '] two thiophene and N; N '-two replaces-2,6-two bromo-1,4,5; The 8-naphthalenetetracarbacidic acidic diimide carries out the Stille prepared in reaction and gets, and all existing sophisticated preparation method of above-mentioned raw materials can be through preparing, buy or other available approach acquisition voluntarily; Oxygen-free environment of the present invention by nitrogen or/and rare gas element form.The preparation method who faces the above-mentioned raw materials of the present invention's use down does simple declaration.
2, the two tin trimethyls of 7--benzene azoles [2,1-b:3,4-b '] two thiophene or 2, the preparation of 7-two bromo-benzene azoles [2,1-b:3,4-b '] two thiophene
2, the two tin trimethyls of 7--benzene azoles [2,1-b:3,4-b '] two thiophene or 2; 7-two bromo-benzene azoles [2,1-b:3,4-b '] two thiophene all can be according to Macromolecules 2008,41; The preparation of 5688 disclosed methods, below with 2, the two tin trimethyls-4 of 7-; 5-dioctyl benzene azoles [2,1-b:3,4-b '] two thiophene are that example specifies.
Under-78 ℃ of conditions, with tert-butyl lithium (t-BuLi, 5.3mL, 1.4mol/L; 7.5mmol) be added drop-wise to 4,5-dioctyl benzene azoles [2,1-b:3,4-b '] two thiophene (1.03g; 2.5) tetrahydrofuran solution (100mL) in, again mixed solution is slowly returned to room temperature, stir 0.5h.Be cooled to-78 ℃ then, (7.5mmol 7.5mL) is added drop-wise in the above-mentioned solution, slowly returns to room temperature, and stirring reaction spends the night with trimethyltin chloride.With the cancellation of above-mentioned reaction solution water; Rotary evaporation is removed THF, through chloroform/water extraction, water washing, anhydrous sodium sulfate drying with remove the organic phase step, obtains the brown solid product; Productive rate 54%, substance assistant laser desorpted ionized mass spectrometric detection result (MS (MALDI) m/z): 617 (M
+).
N, N '-two replaces-2,6-two bromo-1,4,5, the preparation of 8-naphthalenetetracarbacidic acidic diimide
For example, work as N, N '-two replaces-2,6-two bromo-1,4,5, and the substituting group of 8-naphthalenetetracarbacidic acidic diimide is C
1～C
20Alkyl the time, with N, N '-dioctyl replaces-2,6-two bromo-1,4,5, the 8-naphthalenetetracarbacidic acidic diimide be prepared as example explanation.
Under the nitrogen protection condition, with NSC 9824 (0.13g 1mmol) joins and contains 2,6-two bromo-1,4,5,8-naphthalene dianhydride (0.43g, in propionic acid 0.1mmol0) (15mL) solution, spend the night by back flow reaction.Be cooled to room temperature, reaction solution is poured in the aqueous sodium hydroxide solution, chloroform extraction is also removed organic solvent; Through ETHYLE ACETATE washing, dissolved in chloroform, column chromatography (aluminum oxide chromatographic column) obtains solid product except that desolvating then; Productive rate 52%, MS (MALDI) m/z:648 (M
+).
Work as N, N '-two replaces-2,6-two bromo-1,4,5, and the substituting group of 8-naphthalenetetracarbacidic acidic diimide does
Shown in during substituted-phenyl, wherein, R
4, R
5, R
6Be expressed as H, C identical or differently
1～C
20Alkyl or alkoxyl group, its preparation method is with N, N '-two-(4-eicosyl phenyl)-2,6-two bromo-1,4,5, the 8-naphthalenetetracarbacidic acidic diimide be prepared as example explanation.
Under the nitrogen protection condition, with 4-NSC 62789 base aniline (0.37g 1mmol) joins and contains 2,6-two bromo-1,4,5,8-naphthalene dianhydride (0.43g, in propionic acid 0.1mmol0) (15mL) solution, spend the night by back flow reaction.Be cooled to room temperature, reaction solution is poured in the aqueous sodium hydroxide solution, chloroform extraction is also removed organic solvent, and through ETHYLE ACETATE washing, dissolved in chloroform, column chromatography (aluminum oxide chromatographic column) obtains solid, productive rate 47%, MS (MALDI) m/z:1137 (M except that desolvating then
+).
Contain the preparation of benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers
The general formula that contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers of the present invention as shown in:
Wherein, R
1, R
2Be C
1～C
20Alkyl, R
3Be C
1～C
20Alkyl or
Shown in substituted-phenyl, R
4, R
5, R
6Be expressed as hydrogen, C identical or differently
1～C
20Alkyl or alkoxyl group, 1≤x＜2,0＜y≤1, x+y=2, n are 1～120 integer.
Benzene azoles and the two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers of containing of the present invention is according to the said method preparation of following formula:
In the formula, m, p, q are the mol ratio of raw material, m+p+q=2, m=p+q, 0≤p＜1.
Under the oxygen-free environment that rare gas elementes such as nitrogen and/or argon gas form, with 2, the two tin trimethyls of 7--benzene azoles [2; 1-b:3,4-b '] two thiophene, 2,7-two bromo-benzene azoles [2; 1-b:3,4-b '] two thiophene and N, N '-two replaces-2; 6-two bromo-1,4,5; The 8-naphthalenetetracarbacidic acidic diimide joins in the organic solvent according to mol ratio and the catalyzer of m: p: q, carries out Shi Dile (Stille) in 60～130 ℃ and reacts 24～72h, obtains containing benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers.
In this reaction, preferably, catalyzer is the mixture of organic palladium or organic palladium and organophosphorus ligand, and wherein, organic palladium is preferably Pd
2(dba)
3, Pd (PPh
3)
4Or Pd (PPh
3)
2Cl
2, organophosphorus ligand is preferably P (o-Tol)
3The mol ratio of the two is 1:2～20 in the mixture of organic palladium and organophosphorus ligand; Catalyst consumption counts 2 by mole, and the two tin trimethyls of 7--benzene azoles [2,1-b:3; 4-b '] two thiophene consumptions 0.05～50%, organic solvent is at least a in THF, glycol dimethyl ether, benzene, chlorobenzene, the toluene.
The molar absorptivity that contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers of the present invention can reach 10000M
-1Cm
-1, light abstraction width can reach 300-800nm, and not only absorption spectrum ranges is wide, and photoabsorption coefficient is high, has improved the utilising efficiency of sunshine, thereby has improved photoelectric transformation efficiency.
Embodiment 1 contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers (n=48, x=1, preparation y=1)
Under the nitrogen protection condition, to containing compound N, N '-dioctyl-2,6-two bromo-1; 4,5, (0.32g is 0.5mmol) with 2 for the 8-naphthalenetetracarbacidic acidic diimide; The two tin trimethyls-4 of 7-, and 5-dioctyl benzene azoles [2,1-b:3; 4-b '] (0.37g, chlorobenzene 0.5mmol) (25mL) solution bubbling 0.5h removes residual oxygen to two thiophene, adds Pd again
2(dba)
3(0.014g, 0.015mmol) and P (o-Tol)
3(0.0083g, 0.027mmol), and bubbling 1h removes residual oxygen, is heated to 30 ℃ of backflow 72h then.
Mixed solution is added drop-wise to carries out sedimentation in the methyl alcohol, behind suction filtration, methanol wash, drying step,, join in the aqueous solution of Thiocarb, be heated to 80 ℃ of stirred overnight with the chlorobenzene dissolving.With the column chromatography of organic phase through aluminum oxide, after organic solvent, methyl alcohol sedimentation, suction filtration were removed in chloroform drip washing, decompression, the gained solid extracted three days with acetone Suo Shi; Methyl alcohol sedimentation, suction filtration; Taking out under the vacuum pump spends the night obtains product, productive rate 51%, gel permeation chromatography detected result GPC; THF, R.I: number average molecular weight (M
n)=43,500, weight average molecular weight (M
w)/M
n=2.1.
Embodiment 2 contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers (n=41, x=1, preparation y=1)
Under the nitrogen protection condition, to containing compound N, N '-two-(NSC 62789 base)-2,6-two bromo-1; 4,5, (0.49g is 0.5mmol) with 2 for the 8-naphthalenetetracarbacidic acidic diimide; The two tin trimethyls-4 of 7-, and 5-dioctyl benzene azoles [2,1-b:3; 4-b '] (0.37g, chlorobenzene 0.5mmol) (25mL) solution bubbling 0.5h removes residual oxygen to two thiophene, adds Pd again
2(dba)
3(0.014g, 0.015mmol) and P (o-Tol)
3(0.0083g, 0.027mmol), and bubbling 1h removes residual oxygen, is heated to 60 ℃ of back flow reaction 24h then.
Mixed solution is added drop-wise to carries out sedimentation in the methyl alcohol, behind suction filtration, methanol wash, drying step,, join in the aqueous solution of Thiocarb, be heated to 80 ℃ of stirred overnight with the chlorobenzene dissolving.With the column chromatography of organic phase through aluminum oxide, after organic solvent, methyl alcohol sedimentation, suction filtration were removed in chloroform drip washing, decompression, the gained solid extracted three days with acetone Suo Shi; Taking out under methyl alcohol sedimentation, the suction filtration, vacuum pump spends the night obtains product, productive rate 55%; GPC, THF, R.I:M
n=51,000, M
w/ M
n=2.1.
Embodiment 3 contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers (n=60, x=1, preparation y=1)
Under the argon shield condition, to containing compound N, N '-two-(1-octyl group nonyl)-2,6-two bromo-1; 4,5,8-naphthalenetetracarbacidic acidic diimide (0.45g; 0.5mmol) and 2, the two tin trimethyls of 7--4-methyl-5-NSC 62789 base benzene azoles [2,1-b:3; 4-b '] (0.41g, chlorobenzene 0.5mmol) (25mL) solution bubbling 0.5h removes residual oxygen to two thiophene, adds Pd again
2(dba)
3(0.014g, 0.015mmol) and P (o-Tol)
3(0.0083g, 0.027mmol), and bubbling 1h removes residual oxygen.Be heated to 80 ℃ of back flow reaction 48h then.
Mixed solution is added drop-wise to carries out sedimentation in the methyl alcohol, behind suction filtration, methanol wash, drying step,, join in the aqueous solution of Thiocarb, be heated to 90 ℃ of stirred overnight with the chlorobenzene dissolving.With the column chromatography of organic phase through aluminum oxide, after organic solvent, methyl alcohol sedimentation, suction filtration were removed in chloroform drip washing, decompression, the gained solid extracted three days with acetone Suo Shi; Taking out under methyl alcohol sedimentation, the suction filtration, vacuum pump spends the night obtains product, productive rate 61%; GPC, THF, R.I:M
n=73,500, M
w/ M
n=2.3.
Embodiment 4 contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers (n=96, x=1.9, preparation y=0.1)
Under the nitrogen protection condition, to containing compound N, N '-two-(1-octyl group nonyl)-2,6-two bromo-1,4; 5, and the 8-naphthalenetetracarbacidic acidic diimide (0.045g, 0.05mmol), 2,7-two bromo-4,5-dioctyl benzene azoles [2; 1-b:3,4-b '] two thiophene (0.26g, 0.45mmol) with 2, the two tin trimethyls-4 of 7-, 5-dioctyl benzene azoles [2; 1-b:3,4-b '] (0.37g, chlorobenzene 0.5mmol) (25mL) solution bubbling 0.5h removes residual oxygen to two thiophene, adds Pd again
2(dba)
3(0.014g, 0.015mmol) and P (o-Tol)
3(0.0083g, 0.027mmol), and bubbling 1h removes residual oxygen, is heated to 80 ℃ of back flow reaction 72h then.
Mixed solution is added drop-wise to carries out sedimentation in the methyl alcohol, behind suction filtration, methanol wash, drying step,, join in the aqueous solution of Thiocarb, be heated to 80 ℃ of stirred overnight with the chlorobenzene dissolving.With the column chromatography of organic phase through aluminum oxide, after organic solvent, methyl alcohol sedimentation, suction filtration were removed in chloroform drip washing, decompression, the gained solid extracted three days with acetone Suo Shi; Taking out under methyl alcohol sedimentation, the suction filtration, vacuum pump spends the night obtains product, productive rate 67%; GPC, THF, R.I:M
n=83,000, M
w/ M
n=1.7.
Embodiment 5 contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers (n=31, x=1, preparation y=1)
Under the nitrogen protection condition, to containing compound N, N '-two-(4-NSC 62789 base phenyl)-2,6-two bromo-1; 4,5, (0.57g is 0.5mmol) with 2 for the 8-naphthalenetetracarbacidic acidic diimide; The two tin trimethyls-4 of 7-, and 5-dioctyl benzene azoles [2,1-b:3; 4-b '] (0.37g, chlorobenzene 0.5mmol) (25mL) solution bubbling 0.5h removes residual oxygen to two thiophene, adds Pd again
2(dba)
3(0.014g, 0.015mmol) and P (o-Tol)
3(0.0083g, 0.027mmol), and bubbling 1h removes residual oxygen, is heated to 130 ℃ of back flow reaction 72h then.
Mixed solution is added drop-wise to carries out sedimentation in the methyl alcohol, behind suction filtration, methanol wash, drying step,, join in the aqueous solution of Thiocarb, be heated to 80 ℃ of stirred overnight with the chlorobenzene dissolving.With the column chromatography of organic phase through aluminum oxide, after organic solvent, methyl alcohol sedimentation, suction filtration were removed in chloroform drip washing, decompression, the gained solid extracted three days with acetone Suo Shi; Taking out under methyl alcohol sedimentation, the suction filtration, vacuum pump spends the night obtains product, productive rate 38%; GPC, THF, R.I:M
n=43,500, M
w/ M
n=2.7.
Embodiment 6 contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers (n=7, x=1, preparation y=1)
Under nitrogen and the mixed gas protected condition of argon gas, to containing compound N, N '-two-(3,4; 5 trimethylphenyls)-2,6-two bromo-1,4,5; The 8-naphthalenetetracarbacidic acidic diimide (0.33g, 0.5mmol), 2, the two tin trimethyls-4 of 7-, 5-dioctyl benzene azoles [2; 1-b:3,4-b '] (0.37g, chlorobenzene 0.5mmol) (25mL) solution bubbling 0.5h removes residual oxygen to two thiophene, adds Pd again
2(dba)
3(0.014g, 0.015mmol) and P (o-Tol)
3(0.0083g, 0.027mmol), and bubbling 1h removes residual oxygen, is heated to 100 ℃ of back flow reaction 36h then.
Mixed solution is added drop-wise to carries out sedimentation in the methyl alcohol, behind suction filtration, methanol wash, drying step,, join in the aqueous solution of Thiocarb, be heated to 100 ℃ of stirred overnight with the chlorobenzene dissolving.With the column chromatography of organic phase through aluminum oxide, after organic solvent, methyl alcohol sedimentation, suction filtration were removed in chloroform drip washing, decompression, the gained solid extracted three days with acetone Suo Shi; Taking out under methyl alcohol sedimentation, the suction filtration, vacuum pump spends the night obtains product, productive rate 46%; GPC, THF, R.I:M
n=6,700, M
w/ M
n=2.4.
Embodiment 7 contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers (n=36, x=1, preparation y=1)
Under the nitrogen protection condition, to containing compound N, N '-two-(3,4; 5 three NSC 62789 oxygen base phenyl)-2,6-two bromo-1,4,5; The 8-naphthalenetetracarbacidic acidic diimide (1.17g, 0.5mmol) with 2, the two tin trimethyls-4 of 7-, 5-dioctyl benzene azoles [2; 1-b:3,4-b '] (0.37g, chlorobenzene 0.5mmol) (25mL) solution bubbling 0.5h removes residual oxygen to two thiophene, adds Pd again
2(dba)
3(0.014g, 0.015mmol) and P (o-Tol)
3(0.0083g, 0.027mmol), and bubbling 1h removes residual oxygen, is heated to 50 ℃ of back flow reaction 60h then.
Mixed solution is added drop-wise to carries out sedimentation in the methyl alcohol, behind suction filtration, methanol wash, drying step,, join in the aqueous solution of Thiocarb, be heated to 90 ℃ of stirred overnight with the chlorobenzene dissolving.With the column chromatography of organic phase through aluminum oxide, after organic solvent, methyl alcohol sedimentation, suction filtration were removed in chloroform drip washing, decompression, the gained solid extracted three days with acetone Suo Shi; Taking out under methyl alcohol sedimentation, the suction filtration, vacuum pump spends the night obtains product, productive rate 59%; GPC, THF, R.I:M
n=93,500, M
w/ M
n=2.3.
Embodiment 8 contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers (n=58, x=1, preparation y=1)
Under the nitrogen protection condition, to containing compound N, N '-two-(3,5 two octyloxyphenyl)-2; 6-two bromo-1,4,5,8-naphthalenetetracarbacidic acidic diimide (0.54g; 0.5mmol) and 2, the two tin trimethyls-4 of 7-, and 5-dioctyl benzene azoles [2,1-b:3; 4-b '] (0.37g, toluene 0.5mmol) (30mL) solution bubbling 0.5h removes residual oxygen to two thiophene, adds Pd again
2(dba)
3(0.0.14g, 0.015mmol) and P (o-Tol)
3(0.0083g, 0.027mmol), and bubbling 1h removes residual oxygen, is heated to 80 ℃ of back flow reaction 48h then.
Mixed solution is added drop-wise to carries out sedimentation in the methyl alcohol, behind suction filtration, methanol wash, drying step,, join in the aqueous solution of Thiocarb, be heated to 100 ℃ of stirred overnight with the chlorobenzene dissolving.With the column chromatography of organic phase through aluminum oxide, after organic solvent, methyl alcohol sedimentation, suction filtration were removed in chloroform drip washing, decompression, the gained solid extracted three days with acetone Suo Shi; Taking out under methyl alcohol sedimentation, the suction filtration, vacuum pump spends the night obtains product, productive rate 51%; GPC, THF, R.I:M
n=78,500, M
w/ M
n=2.7.
Embodiment 9 contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers (n=120, x=1.9, preparation y=0.1)
Under the argon shield condition, to containing compound N, N '-two-(1-octyl group nonyl)-2,6-two bromo-1,4; 5, and the 8-naphthalenetetracarbacidic acidic diimide (0.045g, 0.05mmol), 2,7-two bromo-4,5-dioctyl benzene azoles [2; 1-b:3,4-b '] two thiophene (0.26g, 0.45mmol) with 2, the two tin trimethyls-4 of 7-, 5-dioctyl benzene azoles [2; 1-b:3,4-b '] (0.37g, chlorobenzene 0.5mmol) (25mL) solution bubbling 0.5h removes residual oxygen to two thiophene, adds Pd again
2(dba)
3(0.014g, 0.015mmol) and P (o-Tol)
3(0.0083g, 0.027mmol), and bubbling 1h removes residual oxygen, is heated to 90 ℃ of back flow reaction 72h then.
Mixed solution is added drop-wise to carries out sedimentation in the methyl alcohol, behind suction filtration, methanol wash, drying step,, join in the aqueous solution of Thiocarb, be heated to 80 ℃ of stirred overnight with the chlorobenzene dissolving.With the column chromatography of organic phase through aluminum oxide, after organic solvent, methyl alcohol sedimentation, suction filtration were removed in chloroform drip washing, decompression, the gained solid extracted three days with acetone Suo Shi; Taking out under methyl alcohol sedimentation, the suction filtration, vacuum pump spends the night obtains product, productive rate 61%; GPC, THF, R.I:M
n=104,000, M
w/ M
n=1.7).
Embodiment 10 contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers (n=72, x=1.5, preparation y=0.5)
Under the nitrogen protection condition, to containing compound N, N '-two-(1-octyl group nonyl)-2,6-two bromo-1,4; 5, and the 8-naphthalenetetracarbacidic acidic diimide (0.22g, 0.25mmol), 2,7-two bromo-4,5-dioctyl benzene azoles [2; 1-b:3,4-b '] two thiophene (0.14g, 0.25mmol) with 2, the two tin trimethyls-4 of 7-, 5-dioctyl benzene azoles [2; 1-b:3,4-b '] (0.37g, chlorobenzene 0.5mmol) (25mL) solution bubbling 0.5h removes residual oxygen to two thiophene, adds Pd again
2(dba)
3(0.014g, 0.015mmol) and P (o-Tol)
3(0.0083g, 0.027mmol), and bubbling 1h removes residual oxygen, is heated to 90 ℃ of back flow reaction 72h then.
Mixed solution is added drop-wise to carries out sedimentation in the methyl alcohol, behind suction filtration, methanol wash, drying step,, join in the aqueous solution of Thiocarb, be heated to 80 ℃ of stirred overnight with the chlorobenzene dissolving.With the column chromatography of organic phase through aluminum oxide, after organic solvent, methyl alcohol sedimentation, suction filtration were removed in chloroform drip washing, decompression, the gained solid extracted three days with acetone Suo Shi; Taking out under methyl alcohol sedimentation, the suction filtration, vacuum pump spends the night obtains product, productive rate 60%; GPC, THF, R.I:M
n=71,500, M
w/ M
n=1.7).
Embodiment 11 contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers (n=7, x=1, preparation y=1)
Under the nitrogen protection condition, to containing compound N, N '-two-methyl-2; 6-two bromo-1,4,5; 8-naphthalenetetracarbacidic acidic diimide (0.5mmol) and 2, the two tin trimethyls-4 of 7-, 5-dioctyl benzene azoles [2; 1-b:3,4-b '] chlorobenzene (25mL) the solution bubbling 0.5h of two thiophene (0.5mmol) removes residual oxygen, adds Pd again
2(dba)
3(0.014g, 0.015mmol) and P (o-Tol)
3(0.0083g, 0.027mmol), and bubbling 1h removes residual oxygen, is heated to 70 ℃ of reaction 48h then.
Mixed solution is added drop-wise to carries out sedimentation in the methyl alcohol, behind suction filtration, methanol wash, drying step,, join in the aqueous solution of Thiocarb, be heated to 80 ℃ of stirred overnight with the chlorobenzene dissolving.With the column chromatography of organic phase through aluminum oxide, after organic solvent, methyl alcohol sedimentation, suction filtration were removed in chloroform drip washing, decompression, the gained solid extracted three days with acetone Suo Shi; Taking out under methyl alcohol sedimentation, the suction filtration, vacuum pump spends the night obtains product, productive rate 51%; GPC, THF, R.I:M
n=5,000, M
w/ M
n=2.2.
Embodiment 12, organic solar batteries device
Fig. 1 is for the structural representation that contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers as the organic solar batteries device of photoactive layer of the present invention.
As shown in Figure 1; The structure of this organic solar batteries device is followed successively by from bottom to up: glass/ITO/PEDOT:PSS (gathers (3; The 4-Ethylenedioxy Thiophene): gather (styrene sulfonic acid))/active coating/Al; Wherein, the photoactive layer material is benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers and PCBM ([6,6] phenyl-C of containing of the present invention
61-methyl-butyrate) mixing material, ITO are that square resistance is the tin indium oxide of 10-20 Ω/mouth, and the thickness of ITO, PEDOT:PSS, active coating, Al layer is respectively 180nm, 30nm, 130nm, 80nm.
This organic solar batteries preparation of devices method is: preparation ITO layer on glass substrate; After ultrasonic cleaning; With oxygen plasma treatment ITO layer, and on the ITO layer, apply PEDOT:PSS, then be coated on PEDOT:PSS on after benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers and PCBM dissolve blend of the present invention containing; On the PCBM layer, prepare metal aluminium electrode through vacuum evaporation technology at last, obtain the organic solar batteries device.
Embodiment 13, organic electroluminescence device
Fig. 2 is for the structural representation that contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers as the organic electroluminescence device of luminescent layer of the present invention.
As shown in Figure 2, this organic electroluminescence device comprises glass substrate, ITO layer, luminescent layer, LiF impact plies and aluminium electrode layer, and wherein, luminescent layer is benzene azoles and the two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers of containing of the present invention.
The preparation method of this organic electroluminescence device is: deposition one deck square resistance is that the ITO of 10-20 Ω/mouth is as transparent anode on glass substrate; On ITO, prepare one deck benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers of containing of the present invention as luminescent layer through the spin coated technology then; Again on this luminescent layer vacuum evaporation LiF as impact plies; Last evaporation metal Al obtains organic electroluminescence device as negative electrode.
Embodiment 14, organic field effect tube
Fig. 3 is for the structural representation that contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers as the organic field effect tube of organic semiconductor layer of the present invention.
As shown in Figure 3, this organic field effect tube comprises silicon substrate, insulation layer, organic semiconductor layer, source electrode and drain electrode, and wherein, organic semiconductor layer is benzene azoles and the two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers of containing of the present invention.
The preparation method of this organic field effect tube is: adopt highly doped silicon chip Si as substrate, with the thick SiO of 500nm
2As insulation layer, and it is modified, utilize the spin coated technology will of the present inventionly contain the SiO that benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers are prepared in the OTS modification then with octadecyl trichlorosilane (OTS)
2Above the layer, form two gold electrodes at last, obtain organic field effect tube respectively as source electrode S and drain electrode D.
The above is merely representative embodiment of the present invention, does not limit the present invention in any way, and all any modifications of within spirit of the present invention and principle, being done, is equal to replacement or improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. one kind contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers, it is characterized in that, is the compound of following general formula:
Wherein, R
1, R
2Be C
1～C
20Alkyl, R
3Be C
1～C
20Alkyl or
Shown in substituted-phenyl, R
4, R
5, R
6Be hydrogen, C
1～C
20Alkyl or alkoxyl group, 1≤x＜2,0＜y≤1, x+y=2, n are 1～120 integer.
2. a preparation method who contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers is characterized in that, with 2; The two tin trimethyls of 7--benzene azoles [2,1-b:3,4-b '] two thiophene, 2; 7-two bromo-benzene azoles [2,1-b:3,4-b '] two thiophene and N; N '-two replaces-2; 6-two bromo-1,4,5; The 8-naphthalenetetracarbacidic acidic diimide is a raw material; Mol ratio and the catalyzer of above-mentioned raw materials according to m: p: q joined in the organic solvent, under oxygen-free environment, carry out Shi Dile and react 24～72h, obtain said benzene azoles and the two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers of containing in 60～130 ℃; Said 2; The general formula of the two tin trimethyls of 7--benzene azoles [2,1-b:3,4-b '] two thiophene is
said 2; 7-two bromo-benzene azoles [2; 1-b:3,4-b '] general formula of two thiophene is
said N, N '-two replaces-2; 6-two bromo-1; 4,5, the general formula of 8-naphthalenetetracarbacidic acidic diimide contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers general formula for
for
is said
Wherein, m+p+q=2, m=p+q, 0≤p＜1, R
1, R
2Be C
1～C
20Alkyl, R
3Be C
1～C
20Alkyl or
Shown in substituted-phenyl, R
4, R
5, R
6Be expressed as hydrogen, C identical or differently
1～C
20Alkyl or alkoxyl group; 1≤x＜2,0＜y≤1, x+y=2, n are 1～120 integer.
3. the preparation method who contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers according to claim 2 is characterized in that said catalyzer is the mixture of organic palladium or organic palladium and organophosphorus ligand; Said catalyst consumption counts 2 by mole, 0.05～50% of the two tin trimethyls of 7--benzene azoles [2,1-b:3,4-b '] two thiophene consumptions.
4. the preparation method who contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers according to claim 3 is characterized in that said organic palladium is Pd
2(dba)
3, Pd (PPh
3)
4Or Pd (PPh
3)
2Cl
2Said organophosphorus ligand is P (o-Tol)
3
5. according to claim 3 or the 4 described preparing methods that contain benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers, it is characterized in that the mol ratio of organic palladium and organophosphorus ligand is 1: 2～20 in the mixture of said organic palladium and organophosphorus ligand.
6. the preparation method who contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers according to claim 2 is characterized in that, said organic solvent is at least a in THF, glycol dimethyl ether, benzene, chlorobenzene, the toluene.
7. the preparation method who contains benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers according to claim 2 is characterized in that, and is further comprising the steps of:
The reacted mixed solution of Shi Dile is added drop-wise to carries out sedimentation in the methyl alcohol, behind suction filtration, methanol wash, drying step,, join in the aqueous solution of Thiocarb, be heated to 80～100 ℃ of stirred overnight with the chlorobenzene dissolving; With the column chromatography of organic phase through aluminum oxide; After organic solvent, methyl alcohol sedimentation, suction filtration are removed in chloroform drip washing, decompression; The gained solid extracts with acetone Suo Shi; Methyl alcohol sedimentation once more, suction filtration are taken out under the vacuum pump and are spent the night, and obtain containing benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers solid.
8. organic solar batteries device; Comprise substrate layer, first electrode layer, photoactive layer, the second electrode lay; Said photoactive layer comprises electron donor material layer and electron acceptor material layer; It is characterized in that the material of said electron donor material layer is for containing benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers
Wherein, R
1, R
2Be C
1～C
20Alkyl, R
3Be C
1～C
20Alkyl or
Shown in substituted-phenyl, R
4, R
5, R
6Be hydrogen, C
1～C
20Alkyl or alkoxyl group, 1≤x＜2,0＜y≤1, x+y=2, n are 1～120 integer.
9. organic electroluminescence device; Comprise substrate, anode, luminescent layer, impact plies, negative electrode; It is characterized in that the material of said luminescent layer is for containing benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers
Wherein, R
1, R
2Be C
1～C
20Alkyl, R
3Be C
1～C
20Alkyl or
Shown in substituted-phenyl, R
4, R
5, R
6Be hydrogen, C
1～C
20Alkyl or alkoxyl group, 1≤x＜2,0＜y≤1, x+y=2, n are 1～120 integer.
10. organic field effect tube; Comprise silicon substrate, insulation layer, organic semiconductor layer, source electrode and drain electrode; It is characterized in that the material of said organic semiconductor layer is for containing benzene azoles and two thiophene-naphthalenetetracarbacidic acidic diimide conjugated polymers
Wherein, R
1, R
2Be C
1～C
20Alkyl, R
3Be C
1～C
20Alkyl or
Shown in substituted-phenyl, R
4, R
5, R
6Be hydrogen, C
1～C
20Alkyl or alkoxyl group, 1≤x＜2,0＜y≤1, x+y=2, n are 1～120 integer.
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