CN104250366A - Triphenylamino group-containing polymer, preparation method thereof, and organic solar cell device - Google Patents

Triphenylamino group-containing polymer, preparation method thereof, and organic solar cell device Download PDF

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CN104250366A
CN104250366A CN201310259911.1A CN201310259911A CN104250366A CN 104250366 A CN104250366 A CN 104250366A CN 201310259911 A CN201310259911 A CN 201310259911A CN 104250366 A CN104250366 A CN 104250366A
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polymkeric substance
preparation
substance containing
base
triphenylamine base
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周明杰
张振华
王平
张娟娟
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Oceans King Lighting Science and Technology Co Ltd
Shenzhen Oceans King Lighting Science and Technology Co Ltd
Shenzhen Oceans King Lighting Engineering Co Ltd
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Oceans King Lighting Science and Technology Co Ltd
Shenzhen Oceans King Lighting Engineering Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y02E10/549—Organic PV cells

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Abstract

The invention belongs to the field of organic semiconductors, and discloses a triphenylamino group-containing polymer, a preparation method thereof, and an organic solar cell device. The structural general formula of the above main body material is shown in the specification. In the formula, R1 and R2 respectively represent C1-C20 alkyl groups, and n is an integer from 15 to 90. In the triphenylamino group-containing polymer, a large electron-withdrawing quinoxalinyl group is an important electron acceptor unit, and the large electron-withdrawing quinoxalinyl group modified with an alkoxyphenyl group has the advantages of narrow band gap, high coefficient of absorption of sunlight, wide absorption range and the like; and triphenylamine (TPA) is a good hole transport unit and has excellent photo-thermal oxidation stability, a phenyl ring can be easily modified with an alkyl group or an alkyloxy group to improve the dissolving performance and the film forming performance of the polymer, and the polymer prepared by copolymerizing quinoxaline and the TPA through a Suzuki coupling technology can improve the light conversion efficiency.

Description

A kind of polymkeric substance containing triphenylamine base and preparation method thereof and organic solar batteries device
Technical field
The present invention relates to organic semiconductor material field, particularly relate to a kind of polymkeric substance containing triphenylamine base and preparation method thereof.The invention still further relates to a kind of this polymkeric substance containing triphenylamine base that uses as the organic solar batteries device of active layer electron donor material.
Background technology
Utilize cheap material prepares low cost, dynamical solar cell is photovoltaic art always study hotspot and difficult point.The advantages such as organic semiconductor material is easy to get with its raw material, cheap, technique is simple, stability is strong, photovoltaic effect is good receive much concern.From N.S.Sariciftci in 1992 etc. at SCIENCE(N.S Sariciftci, L.Smilowitz, A.J.Heeger, et al.Science, 1992,258,1474) upper report conjugated polymers and C 60between Photo-induced electron transfer phenomenon after, organic polymer solar cell becomes the focus of research gradually.The research of this respect in recent years achieves development at full speed, but organic polymer solar cell is still much lower than the efficiency of conversion of inorganic solar cell.In order to make organic polymer solar cell be on the actual application, develop the top priority that the type material with higher-energy efficiency of conversion is still this field.
Summary of the invention
Based on the problems referred to above, problem to be solved by this invention is the polymkeric substance containing triphenylamine base providing a kind of transformation efficiency high.
Technical scheme of the present invention is as follows:
A kind of polymkeric substance containing triphenylamine base provided by the invention, its general structure is as follows:
In formula, R 1, R 2be C 1~ C 20alkyl, n is the integer of 15-90
Another object of the embodiment of the present invention is the preparation method providing a kind of polymkeric substance containing triphenylamine base, comprises the steps:
The compd A providing following structural formula to represent respectively and B,
A: i.e. 4-(alkoxyl group)-N, N-bis-(4-tetramethyl ethylene ketone boric acid ester phenyl) aniline;
B: i.e. 5,8-bis-(5-bromothiophene-2-base)-2,3-bis-(3-(alkoxyl group) phenyl)-6,7-dihydro-quinoxalines;
Under oxygen-free environment (oxygen-free environment of at least one gas composition in preferred argon gas, nitrogen), be after dissolving during the compd A of 1:1 ~ 1.2 and B are added into containing catalyzer and alkaline solution organic solvent by mol ratio, Suzuki coupling reaction is carried out 12 ~ 96 hours at 70 ~ 130 DEG C, polyreaction is stopped after cooling, through separating-purifying reaction solution, obtain the described polymkeric substance containing triphenylamine base of following general structure:
In formula, R 1, R 2be C 1~ C 20alkyl, n is the integer of 15-90.
Wherein, described catalyzer is described catalyzer is bis-triphenylphosphipalladium palladium dichloride, tetra-triphenylphosphine palladium; Or
Palladium and the tri-o-tolyl phosphine mixture of described catalyzer to be mol ratio be 1:4 ~ 8, or mol ratio is three or two argon benzyl acetone two palladiums and the 2-dicyclohexyl phosphine-2 of 1:4 ~ 8 ', 6 '-dimethoxy-biphenyl mixture;
The mol ratio of described catalyzer and described compd A is 1:20 ~ 1:100.
In a preferred embodiment, described alkaline solution is selected from least one in sodium carbonate solution, solution of potassium carbonate and sodium hydrogen carbonate solution; In described alkaline solution, the mol ratio of alkali solute and described compd A is 20:1.
In a preferred embodiment, organic solvent is selected from solvent is at least one in toluene, DMF, tetrahydrofuran (THF).
In a preferred embodiment, Suzuki coupling reaction is at 90 ~ 120 DEG C, reacts 24 ~ 72 hours.
In a preferred embodiment, separating-purifying reaction solution comprises step:
Methyl alcohol precipitating is added in reaction solution, methyl alcohol and normal hexane extracting is used successively after being filtered by apparatus,Soxhlet's, then be that solvent extraction is to colourless with chloroform, collect chloroformic solution and be spin-dried for and obtain powder, powder after collection, more under vacuo after 50 DEG C of dry 24h, obtains the described polymkeric substance containing triphenylamine base.
The present invention also provides a kind of organic solar batteries device, and the electron donor material of its active layer adopts the polymkeric substance containing triphenylamine base of following structural formula:
In formula, R 1, R 2be C 1~ C 20alkyl, n is the integer of 15-90.
In polymkeric substance containing triphenylamine base of the present invention, larger electrophilic quinoxalinyl is an important electron acceptor(EA) unit, has band gap narrower and have the advantage such as higher uptake factor and wider absorption region to sunlight by alkoxyphenyl radical after being modified; Triphenylamine (TPA) is also a kind of good hole transporting unit, there is excellent photo-thermal oxidative stability, phenyl ring is easy to alkyl or alkoxyl group modification, thus improve structure adaptability performance and film forming properties, the polymkeric substance that quinoxaline and TPA are prepared by the copolymerization of Suzuki coupling method can be improved light conversion efficiency.
The preparation method of the above-mentioned polymkeric substance containing triphenylamine base, has used better simply synthetic route, thus reduces technical process, and starting material are cheap and easy to get, and manufacturing cost is reduced; And the polymeric material constructions be worth is novel, solubility property is good, and film forming properties is excellent, and absorption region is wide, and effciency of energy transfer is improved.
Accompanying drawing explanation
Fig. 1 is the ultraviolet-visible absorption spectroscopy figure of the polymkeric substance containing triphenylamine base that embodiment 1 obtains;
Fig. 2 is the structural representation of the organic solar batteries device that embodiment 6 obtains.
Embodiment
In order to understand the content of patent of the present invention better, technology case of the present invention is further illustrated below by concrete example and legend, specifically comprise material preparation and device preparation, but these embodiments do not limit the present invention, wherein compd A, compd B commercially obtain.
Embodiment 1:
The polymkeric substance containing triphenylamine base of the present embodiment, i.e. poly-{ 4-(n-octyloxy)-N, N-bis-(4-base-phenyl) aniline-co-5,8-bis-(5-thiophene-2-base)-2,3-bis-(3-(n-octyloxy) benzene)-6,7-dihydro-quinoxaline } (representing with P1) (wherein, R 1for octane base, R 2for octane base, n=64), its structural formula is as follows:
The preparation process of above-mentioned polymkeric substance is as follows:
Reaction formula is as follows:
Under argon shield, by 4-(n-octyloxy)-N, N-bis-(4-tetramethyl ethylene ketone boric acid ester phenyl) aniline (125mg, 0.2mmol), 5,8-bis-(5-bromothiophene-2-base)-2,3-bis-(3-(octyloxy) phenyl)-6,7-dihydro-quinoxaline (172mg, 0.2mmol) add in the flask filling 10ml toluene solvant, after abundant dissolving, salt of wormwood (2mL, 2mol/L) solution is joined in flask, vacuumize deoxygenation and be filled with argon gas, then bis-triphenylphosphipalladium palladium dichloride (5.6mg, 0.008mmol) is added; Flask is heated to 100 DEG C and carries out Suzuki coupling reaction 48h.Subsequently, after cooling, stop polyreaction, drip in flask in 50ml methyl alcohol and carry out sedimentation; Methyl alcohol and normal hexane extracting 24h is used successively after being filtered by apparatus,Soxhlet's.Then be that solvent extraction is extremely colourless with chloroform, collect chloroformic solution and be spin-dried for obtain red powder, after collection, 50 DEG C of dry 24h obtain product P 1 under vacuo, productive rate 76%.
Test result is: Molecular weight (GPC, THF, R.I): M n=42.7kDa, M w/ M n=2.2.
Fig. 1 is the ultraviolet-visible absorption spectroscopy figure of the polymkeric substance containing triphenylamine base that embodiment 1 obtains; As shown in Figure 1, this polymkeric substance has comparatively large wider absorption between 300nm ~ 700nm, and wherein maximum absorption band is positioned at about 577nm.
Embodiment 2:
The polymkeric substance containing triphenylamine base of the present embodiment, i.e. poly-{ 4-(methoxyl group)-N, N-bis-(4-base-phenyl) aniline-co-5,8-bis-(5-thiophene-2-base)-2,3-bis-(3-(NSC 62789 oxygen base) benzene)-6,7-dihydro-quinoxaline } (representing with P2), (wherein, R 1for methyl, R 2for NSC 62789 base, n=89), its structural formula is as follows:
The preparation process of above-mentioned polymkeric substance is as follows:
Reaction formula is as follows:
Under nitrogen and argon gas gas mixture are protected, by 4-(methoxyl group)-N, N-bis-(4-tetramethyl ethylene ketone boric acid ester phenyl) aniline (158mg, 0.3mmol), 5, 8-bis-(5-bromothiophene-2-base)-2, 3-bis-(3-(NSC 62789 oxygen base) phenyl)-6, 7-dihydro-quinoxaline (360mg, 0.3mmol) add in the two-mouth bottle of 50mL specification with 15mL tetrahydrofuran (THF), after the gas mixture air-discharging passing into nitrogen and argon gas after abundant dissolving is about 20min, then by tetra-triphenylphosphine palladium (4mg, 0.003mmol) add wherein, sodium bicarbonate (3mL is added again after abundant dissolving, 2mol/L) solution.After the gas mixture air-discharging of fully logical nitrogen and argon gas is about 10min again, two-mouth bottle is joined 70 DEG C and carry out Suzuki coupling reaction 96h.Subsequently, after cooling, stop polyreaction, in two-mouth bottle, add 40mL methyl alcohol precipitating, after being filtered by apparatus,Soxhlet's, use methyl alcohol and normal hexane extracting 24h successively.Then be solvent extraction with chloroform to colourless, collect chloroformic solution and be spin-dried for and obtain red solid, after collection, obtain product P 2 after 50 DEG C of dry 24h under vacuo.Productive rate is 81%.
Test result is: Molecular weight (GPC, THF, R.I): M n=75.2kDa, M w/ M n=2.1.
Embodiment 3:
The polymkeric substance containing triphenylamine base of this present embodiment, i.e. poly-{ 4-(NSC 62789 oxygen base)-N, N-bis-(4-base-phenyl) aniline-co-5,8-bis-(5-thiophene-2-base)-2,3-bis-(3-(methoxyl group) benzene)-6,7-dihydro-quinoxaline } (representing with P3), (wherein, R 1for NSC 62789 base, R 2for methyl, n=15), its structural formula is as follows:
The preparation process of above-mentioned polymkeric substance is as follows:
Reaction formula is as follows:
Under nitrogen protection, by 4-(NSC 62789 oxygen base)-N, N-bis-(4-tetramethyl ethylene ketone boric acid ester phenyl) aniline (238mg, 0.3mmol), 5, 8-bis-(5-bromothiophene-2-base)-2, 3-bis-(3-(methoxyl group) phenyl)-6, 7-dihydro-quinoxaline (220mg, 0.33mmol), palladium (3.5mg, 0.015mmol) He three (o-methoxyphenyl) phosphine (21mg, 0.06mmol) join the N filling 12mL, in the flask of dinethylformamide, salt of wormwood (3mL is added after abundant dissolving, 2mol/L) solution, after in flask, logical nitrogen purge gas is about 30min subsequently, flask is heated to 130 DEG C and carries out Suzuki coupling reaction 12h.Subsequently, after cooling, stop polyreaction, in flask, add 40mL methyl alcohol precipitating, after being filtered by apparatus,Soxhlet's, use methyl alcohol and normal hexane extracting 24h successively; Then be solvent extraction with chloroform to colourless, collect chloroformic solution and be spin-dried for and obtain red powder, after collection under vacuo after 50 DEG C of dry 24h, be product P 3, productive rate 74%.
Test result is: Molecular weight (GPC, THF, R.I): M n=28.5kDa, M w/ M n=2.4.
Embodiment 4:
The polymkeric substance containing triphenylamine base of the present embodiment, i.e. poly-{ 4-(normal butane oxygen base)-N, N-bis-(4-base-phenyl) aniline-co-5,8-bis-(5-thiophene-2-base)-2,3-bis-(3-(oxygen base in the last of the ten Heavenly stems) benzene)-6,7-dihydro-quinoxaline } (representing with P4), (wherein, R 1for normal-butyl, R 2for positive decyl, n=90), its structural formula is as follows:
The preparation process of above-mentioned polymkeric substance is as follows:
Reaction formula is as follows:
Under nitrogen protection, by 4-(normal butane oxygen base)-N, N-bis-(4-tetramethyl ethylene ketone boric acid ester phenyl) aniline (171mg, 0.3mmol), 5, 8-bis-(5-bromothiophene-2-base)-2, 3-bis-(3-(n-decyloxy) phenyl)-6, 7-dihydro-quinoxaline (331mg, 0.36mmol), three or two argon benzyl acetone two palladium (9mg, 0.009mmol) with 2-dicyclohexyl phosphine-2 ', 6 '-dimethoxy-biphenyl (29mg, 0.072mmol) join the N filling 12mL, in the flask of dinethylformamide, sodium bicarbonate (3mL is added after abundant dissolving, 2mol/L) solution.After in flask, logical nitrogen purge gas is about 30min subsequently; Flask is heated to 120 DEG C and carries out Suzuki coupling reaction 36h.Subsequently, after cooling, stop polyreaction, in flask, add 40mL methyl alcohol precipitating, after being filtered by apparatus,Soxhlet's, use methyl alcohol and normal hexane extracting 24h successively; Then be solvent extraction with chloroform to colourless, collect chloroformic solution and be spin-dried for and obtain red powder, after collection under vacuo after 50 DEG C of dry 24h, be product P 4, productive rate is 86%.Test result is: Molecular weight (GPC, THF, R.I): M n=99.3kDa, M w/ M n=2.0.
Embodiment 5:
The polymkeric substance containing triphenylamine base of the present embodiment, i.e. poly-{ 4-(n-dodecane oxygen base)-N, N-bis-(4-base-phenyl) aniline-co-5,8-bis-(5-thiophene-2-base)-2,3-bis-(3-(positive hexyloxy) benzene)-6,7-dihydro-quinoxaline } (representing with P5), (wherein, R 1for dodecyl, R 2for n-hexyl, n=21), its structural formula is as follows:
The preparation process of above-mentioned polymkeric substance is as follows:
Reaction formula is as follows:
Under nitrogen and argon gas gas mixture are protected, by 4-(n-dodecane oxygen base)-N, N-bis-(4-tetramethyl ethylene ketone boric acid ester phenyl) aniline (204mg, 0.3mmol), 5, 8-bis-(5-bromothiophene-2-base)-2, 3-bis-(3-(positive hexyloxy) phenyl)-6, 7-dihydro-quinoxaline (290mg, 0.36mmol) add in the two-mouth bottle of 50mL specification with 15mL toluene, after the gas mixture air-discharging passing into nitrogen and argon gas after abundant dissolving is about 20min, then by tetra-triphenylphosphine palladium (8mg, 0.006mmol) add wherein, add salt of wormwood (3mL again, 2mol/L) solution.After the gas mixture air-discharging of fully logical nitrogen and argon gas is about 10min again, two-mouth bottle is joined 90 DEG C and carry out Suzuki coupling reaction 60h.Subsequently, after cooling, stop polyreaction, in two-mouth bottle, add 40mL methyl alcohol precipitating, after being filtered by apparatus,Soxhlet's, use methyl alcohol and normal hexane extracting 24h successively.Then be solvent extraction with chloroform to colourless, collect chloroformic solution and be spin-dried for and obtain red solid, after collection, obtain product P 5 after 50 DEG C of dry 24h under vacuo.Productive rate is 75%.
Test result is: Molecular weight (GPC, THF, R.I): M n=22.9kDa, M w/ M n=2.4.
Embodiment 6:
Refer to Fig. 2, a kind of organic solar batteries device 60, comprise substrate 61, anode 62, buffer layer 63, active coating 64 and negative electrode 65.Anode 62, buffer layer 63, active coating 64 and negative electrode 65 are formed on substrate 61 successively.
In the present embodiment, substrate 61 is glass.
Anode 62 is formed at a side surface of substrate 61.In the present embodiment, anode 62 is for being ITO(tin indium oxide), preferably, the tin indium oxide of ITO to be square resistance be 10-20 Ω/mouth.
Buffer layer 63 is formed at the side surface of anode 62 away from substrate 61.The material of buffer layer 63 is poly-3,4-Ethylenedioxy Thiophenes (PEDOT) and the mixture of polystyrene-sulfonic acid matrix material (PSS), is expressed as PEDOT:PSS.
Active coating 64 is formed at the side surface of buffer layer 63 away from anode 62.Active coating 64 comprises electron donor material and electron acceptor material, and the mol ratio of electron donor material and electron acceptor material is 1:2, and wherein electron acceptor material is (6,6) phenyl-C 61-methyl-butyrate (PCBM), electron donor material is triphenylamine base polymkeric substance prepared by the present invention, in present embodiment, electron donor material is poly-{ 4-(the n-octyloxy)-N of preparation in embodiment 1, N-bis-(4-base-phenyl) aniline-co-5,8-bis-(5-thiophene-2-base)-2,3-bis-(3-(n-octyloxy) benzene)-6,7-dihydro-quinoxaline } (representing with P1), active coating 64 is expressed as P1:PCBM.
Negative electrode 65 is formed at the side surface of active coating 64 away from buffer layer 63.Negative electrode 65 can adopt aluminium electrode or double-metal layer electrode, such as Ca/Al or Ba/Al etc., and its thickness is preferably 170nm, 150nm, 130nm or 100nm.In present embodiment, the material of negative electrode 65 is aluminium, and thickness is 170nm.
Be appreciated that buffer layer 63 can omit, now active coating 64 is directly formed at anode 62 surface.
The manufacturing processed of this organic solar batteries 60 is as follows:
Anode 62 is formed at the laggard row ultrasonic cleaning of a side surface of substrate 61, and after processing with oxygen-Plasma, is coated with the PEDOT:PSS formation buffer layer 63 that last layer plays modification on anode 62 surface.
Buffer layer 64 applies one deck active coating 64.This active coating 64 comprises electron donor material and electron acceptor material, and wherein electron acceptor material is PCBM, the P1 of preparation in the embodiment 1 that electron donor material is.
Negative electrode 65 is formed on active coating 64 surface.In present embodiment, negative electrode 65 is the aluminium lamination formed by vacuum evaporation.The thickness of negative electrode 65 is 170nm.
In the present embodiment, this organic solar batteries 60 was through lower 4 hours of 110 degrees Celsius of air tight conditions, drop to room temperature again, the order and regularity that arrange between each group and molecule segment in molecule effectively can be increased after organic solar batteries device is annealed, improve transmission speed and the efficiency of carrier mobility, improve photoelectric transformation efficiency.
At AM1.5G100mW/cm 2under illumination, be the effciency of energy transfer 3.1% of the body heterojunction organic solar batteries 60 of donor material based on the copolymer p 1 in embodiment 1.
When this organic solar batteries device 60 uses, under light illumination, light transmission substrate 61 and anode 62, the conduction hole type solar cell material in active coating 64 absorbs luminous energy, and produces exciton, these excitons move to the interface of electron donor(ED)/acceptor material again, and by transfer transport to electron acceptor material, as PCBM, realize the separation of electric charge, thus form current carrier freely, i.e. electronics and hole freely.These freely electronics to transmit along electron acceptor material to negative electrode 65 and collected by negative electrode, hole to be transmitted and collected by anode 62 along electron donor material anode 62 freely, thus forms photoelectric current and photovoltage, realizes opto-electronic conversion, during external load, can power to it.In the process, conduction hole type solar cell material has very wide spectral response range due to it, can utilize luminous energy more fully, to obtain higher photoelectric transformation efficiency, increases the electricity generation ability of organic solar batteries.And this organic materials can also alleviate the quality of organic solar batteries, and can be made by technology such as spin coatings, be convenient to large batch of preparation.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Should be understood that, the above-mentioned statement for present pre-ferred embodiments is comparatively detailed, and therefore can not think the restriction to scope of patent protection of the present invention, scope of patent protection of the present invention should be as the criterion with claims.

Claims (10)

1., containing a polymkeric substance for triphenylamine base, it is characterized in that, its general structure is as follows:
In formula, R 1, R 2be C 1~ C 20alkyl, n is the integer of 15-90.
2. the polymkeric substance containing triphenylamine base according to claim 1, is characterized in that, R 1for octane base, R 2for octane base, n=64; Or R 1for methyl, R 2for NSC 62789 base, n=89; Or R 1for NSC 62789 base, R 2for methyl, n=15; Or R 1for normal-butyl, R 2for positive decyl, n=90; Or R 1for dodecyl, R 2for n-hexyl, n=21.
3., containing a preparation method for the polymkeric substance of triphenylamine base, it is characterized in that, comprise the steps:
The compd A providing following structural formula to represent respectively and B,
A： B：
Under oxygen-free environment, be dissolve mol ratio during the compd A of 1:1 ~ 1.2 and B are added into containing catalyzer and alkaline solution organic solvent, Suzuki coupling reaction is carried out 12 ~ 96 hours at 70 ~ 130 DEG C, polyreaction is stopped after cooling, separating-purifying reaction solution, obtains the described polymkeric substance containing triphenylamine base of following general structure:
In formula, R 1, R 2be C 1~ C 20alkyl, n is the integer of 15-90.
4. the preparation method of the polymkeric substance containing triphenylamine base according to claim 3, it is characterized in that, described catalyzer is bis-triphenylphosphipalladium palladium dichloride, tetra-triphenylphosphine palladium; The mol ratio of described catalyzer and described compd A is 1:20 ~ 1:100.
5. the preparation method of the polymkeric substance containing triphenylamine base according to claim 3, it is characterized in that, palladium and the tri-o-tolyl phosphine mixture of described catalyzer to be mol ratio be 1:4 ~ 8, or mol ratio is three or two argon benzyl acetone two palladiums and the 2-dicyclohexyl phosphine-2 of 1:4 ~ 8 ', 6 '-dimethoxy-biphenyl mixture; The mol ratio of described catalyzer and described compd A is 1:20 ~ 1:100.
6. the preparation method of the polymkeric substance containing triphenylamine base according to claim 3, it is characterized in that, described alkaline solution is selected from least one in sodium carbonate solution, solution of potassium carbonate and sodium hydrogen carbonate solution; In described alkaline solution, the mol ratio of alkali solute and described compd A is 20:1.
7. the preparation method of the polymkeric substance containing triphenylamine base according to claim 3, it is characterized in that, described organic solvent is selected from least one in toluene, DMF, tetrahydrofuran (THF).
8. the preparation method of the polymkeric substance containing triphenylamine base according to claim 3, is characterized in that, Suzuki coupling reaction is at 90 ~ 120 DEG C, reacts 24 ~ 72 hours.
9. the preparation method of the polymkeric substance containing triphenylamine base according to claim 3, it is characterized in that, separating-purifying reaction solution comprises step:
Methyl alcohol precipitating is added in reaction solution, methyl alcohol and normal hexane extracting is used successively after being filtered by apparatus,Soxhlet's, then be that solvent extraction is to colourless with chloroform, collect chloroformic solution and be spin-dried for and obtain powder, powder after collection, more under vacuo after 50 DEG C of dry 24h, obtains the described polymkeric substance containing triphenylamine base.
10. an organic solar batteries device, is characterized in that, the electron donor material of its active layer adopts the polymkeric substance containing triphenylamine base of following structural formula:
In formula, R 1, R 2be C 1~ C 20alkyl, n is the integer of 15-90.
CN201310259911.1A 2013-06-26 2013-06-26 Triphenylamino group-containing polymer, preparation method thereof, and organic solar cell device Pending CN104250366A (en)

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