WO2011068305A2 - 파이렌 화합물이 도입된 전도성 고분자 및 그를 이용한 유기 태양전지 - Google Patents
파이렌 화합물이 도입된 전도성 고분자 및 그를 이용한 유기 태양전지 Download PDFInfo
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- WO2011068305A2 WO2011068305A2 PCT/KR2010/007003 KR2010007003W WO2011068305A2 WO 2011068305 A2 WO2011068305 A2 WO 2011068305A2 KR 2010007003 W KR2010007003 W KR 2010007003W WO 2011068305 A2 WO2011068305 A2 WO 2011068305A2
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- C08G61/126—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides derived from five-membered heterocyclic compounds with a five-membered ring containing one sulfur atom in the ring
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- H10K85/111—Organic polymers or oligomers comprising aromatic, heteroaromatic, or aryl chains, e.g. polyaniline, polyphenylene or polyphenylene vinylene
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- C08G2261/40—Polymerisation processes
- C08G2261/41—Organometallic coupling reactions
- C08G2261/411—Suzuki reactions
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
- H10K85/622—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene containing four rings, e.g. pyrene
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
Definitions
- the present invention relates to a conductive polymer having a pyrene compound represented by Formula 1 and an organic solar cell using the same as a material for an organic optoelectronic device, and more particularly, to a donor including one or more kinds of aromatic monomers.
- a conductive polymer having improved hole mobility was prepared by introducing a pyrene compound into a donor-acceptor type polymer in which a repetitive acceptor was introduced into a polymer composed only of a functional group or a donor functional group.
- the present invention relates to an organic solar cell having improved energy conversion efficiency by using as a device material.
- the organic thin film solar cell uses organic materials as the photoactive layer, and research is actively conducted due to the advantages of making a thin film within several hundred nm and a relatively inexpensive material of the photoactive layer, especially a flexible device that can be easily bent. have.
- the photoactive layer is used by mixing two materials having different electron affinity.
- One side of the photoactive material absorbs light to be excited to form an exciton, and the exciton has a low electron affinity (donor, At the interface between the donor and the electron affinity material (acceptor), the electrons in the material with low electron affinity move to the material with high electron affinity and are separated into holes and electrons, respectively. .
- the distance that excitons can move depends on the material but is about 10 nm. Therefore, the distance between the light absorbed position and the interface between two materials having different electron affinity must be within -10 nm, and the electron with the highest efficiency Since the separation of holes can be obtained, bulk heterojuction method using a mixture of donor and acceptor material is mainly used.
- Organic solar cells are classified into two methods of manufacturing a thin film using a donor and an acceptor material, and a thin film using a solution process.
- the deposition method uses both a donor and an acceptor as a single molecule
- the solution process generally uses a polymer as a donor material, and as a acceptor a polymer, a fullerene derivative, and a perylene derivative.
- Quantum dot inorganic nanoparticles and the like are used. Therefore, the use of a solution process using a polymer than a case of depositing and using a single molecule allows a large area of the device to be manufactured inexpensively. Therefore, the weight of research has recently been focused on the solution process using a polymer.
- the organic solar cell must satisfy high energy conversion efficiency.
- the present inventors have tried to develop a novel polymer applicable to the organic solar cell in order to obtain a high energy conversion efficiency of the organic solar cell, the polymer consisting of only a donor functional group containing at least one kind of various aromatic monomers
- the present invention has been completed by introducing a pyrene compound into a donor-acceptor type polymer in which a repetitive acceptor is introduced into a donor functional group to derive a novel molecular design that improves hole mobility.
- An object of the present invention is to provide a novel conductive polymer with improved hole mobility and its use as a material for organic optoelectronic devices using the same.
- Another object of the present invention is to provide an organic solar cell having improved energy conversion efficiency by using the conductive polymer as an organic optoelectronic device material.
- the present invention provides a conductive polymer having a pyrene compound represented by the following formula (1).
- l is the mole fraction of monomer X as 0.40 ⁇ ⁇ 1
- m is the mole fraction of monomer Y
- n is the mole fraction of the pyrene compound
- X and Y are either monomers having electron donor, acceptor or light absorption functions.
- the content of pyrene compound is 0 ⁇ ⁇ 0.10 is preferred, more preferably 0 ⁇ ⁇ 0.05.
- the present invention is any one selected from the group consisting of an organic light sensor (OPD), an organic light emitting diode (OLED), an organic thin film transistor (OTFT) and an organic solar cell is a conductive polymer in which the pyrene compound represented by the formula (1) is introduced Provided is a use as a material for an organic optoelectronic device applied to one field.
- OPD organic light sensor
- OLED organic light emitting diode
- OTFT organic thin film transistor
- an organic solar cell is a conductive polymer in which the pyrene compound represented by the formula (1) is introduced
- Provided is a use as a material for an organic optoelectronic device applied to one field.
- the content of the pyrene compound is 0 ⁇ ⁇ 0.10 is preferred, more preferably 0 ⁇ ⁇ 0.05.
- the present invention comprises a substrate, a first electrode, a buffer layer, a photoelectric conversion layer and a second electrode, wherein the photoelectric conversion layer is used as an electron donor a conductive polymer in which a pyrene compound represented by Formula 1 of the present invention is introduced.
- the present invention provides an organic solar cell including an organic optoelectronic device made of a photoelectric conversion material-containing solution containing a C 60 fullerene derivative or a C 70 fullerene derivative as an electron acceptor.
- the content of the pyrene compound is 0 ⁇ ⁇ 0.10 is preferred, more preferably 0 ⁇ ⁇ 0.05.
- the photoelectric conversion layer uses a conductive polymer having a pyrene compound represented by Formula 1 as an electron donor, and a C 60 fullerene derivative or a C 70 fullerene derivative as an electron acceptor. It consists of the photoelectric conversion material mix
- the photovoltaic material-containing solution is an organic solar cell based on a solution phase in which 1.0 to 3.0% by weight of the photoelectric conversion material is dissolved in any one solvent selected from the group consisting of chlorobenzene, 1,2-dichlorobenzene, and chloroform.
- the solution in which the photoelectric conversion material is dissolved may be applied or coated by one method selected from an inkjet printing method, a spin coating method, a screen printing method, and a doctor blade method.
- a novel conductive polymer with improved energy conversion efficiency of the organic solar cell That is, a specific amount of a pyrene compound is added to a polymer composed of only a donor functional group containing one or more kinds of aromatic monomers or a donor-acceptor type polymer in which a repetitive acceptor is introduced into a donor functional group.
- the conductive polymer of the present invention which has been introduced to improve hole mobility, is useful as a photoelectric conversion material.
- the present invention can provide an organic solar cell using an organic optoelectronic device using a conductive polymer in which a pyrene compound is introduced as an electron donor, thereby achieving high power conversion efficiency (PCE).
- PCE power conversion efficiency
- FIG. 1 is a schematic diagram of an organic optoelectronic device manufactured according to an embodiment of the present invention
- JV current density-voltage
- JV current density-voltage
- JV current density-voltage
- the present invention provides a conductive polymer in which a pyrene compound represented by Chemical Formula 1 is introduced.
- l is the mole fraction of monomer X as 0.40 ⁇ ⁇ 1
- m is the mole fraction of monomer Y
- n is the mole fraction of the pyrene compound
- X and Y are either monomers having electron donor, acceptor or light absorption functions.
- the conductive polymer of Chemical Formula 1 is a donor-acceptor-type polymer in which a repeater acceptor is introduced into a polymer or a donor functional group composed of only a donor functional group containing one or more kinds of aromatic monomers. Pyrene compound with high hole mobility is introduced.
- the content of pyrene compound is 0 ⁇ ⁇ 0.10 is preferred, more preferably 0 ⁇
- the solubility is lowered so that the conductive polymer cannot be used as a photoelectric conversion material, and the energy conversion efficiency is lowered.
- X, Y or a combination of X and Y is important to simultaneously introduce a function for increasing light absorption and a function for self-assembling the polymer.
- the other should have an acceptor monomer structure.
- Preferred donor monomer is to use any one selected from the compounds represented by the formula (2) to (10 ).
- R 1 or R 2 is a C 1 to C 20 straight or branched alkyl group, C 1 to C 20 heterocycloalkyl, C 6 to C 20 aryl or heteroaryl thereof.
- the preferred acceptor monomer is to use any one selected from compounds represented by the following formulas (11) to (17 ).
- R 3 or R 4 is a C 1 to C 20 straight or branched alkyl group, a C 1 to C 20 alkoxy group, a C 6 to C 20 aryl group, a C 1 to C 20 heterocycloalkyl, C 6 ⁇ C 20 aryl or heteroaryl thereof, and R 3 or R 4 may be the same or may not be the same.
- X and Y may be any monomer structure having various known conductive functional groups or light absorbing functions, in addition to the donor monomer or the acceptor monomer.
- both X and Y may be thiophene derivatives having crystallinity.
- X has a donor functional group and Y has an acceptor functional group to constitute a low bandgap polymer of the donor-acceptor type.
- the present invention provides a use thereof as a material for an organic optoelectronic device in which a conductive polymer having a pyrene compound represented by the following Chemical Formula 1 is introduced as an electron donor.
- the content of the preferred pyrene compound is 0 ⁇ ⁇ 0.10 is preferred, more preferably 0 ⁇ ⁇ 0.05.
- a conductive polymer prepared by containing a pyrene compound in a copolymer of fluorene and dithienylbenzothiadiazole is prepared by the following Scheme 1. to provide.
- a conductive polymer prepared by containing a pyrene compound in a copolymer of dithiophensilol and benzothiazole is added to Scheme 2 below. Provided by us.
- the present invention may provide a conductive polymer having improved hole transfer performance by introducing a small amount of pyrene compound into the main chain of the conductive polymer at 10 mol% or less, more preferably 5 mol% or less.
- conductive polymers presented in the above examples are intended to describe the present invention in more detail, and those skilled in the art from the description of the above embodiments may be combined with a donor or acceptor type combination defined above in the present invention. By this, it will be able to easily synthesize a variety of conductive polymer to be implemented by the present invention.
- the conductive polymer in which the pyrene compound represented by Formula 1 of the present invention is introduced is useful as a nonlinear optical material such as an organic light sensor (OPD), an organic light emitting diode (OLED), an organic thin film transistor (OTFT), or an organic solar cell. It is useful as a material for organic optoelectronic devices.
- the present invention is composed of a substrate, a first electrode, a buffer layer, a photoelectric conversion layer and a second electrode, the photoconversion layer is a conductive polymer introduced with a pyrene compound represented by Formula 1 is used as an electron donor, C 60 Provided is an organic solar cell including an organic photovoltaic device made of a photoelectric conversion material in which a fullerene derivative or a C 70 fullerene derivative is incorporated into an electron acceptor.
- the organic solar cell of the present invention has a structure in which the substrate 110, the first electrode 120, the buffer layer 130, the photoelectric conversion layer 140, and the second electrode 150 are stacked from the bottom.
- (140) includes an organic optoelectronic device in which a conductive polymer in which a pyrene compound represented by Formula 1 is introduced is used as an electron donor, and a C 60 fullerene derivative or a C 70 fullerene derivative is formed of a photoconversion material-containing solution blended with an electron acceptor. Characterized in that.
- a schematic diagram of an organic solar cell including an organic optoelectronic device manufactured according to a preferred embodiment of the present invention is as shown in FIG .
- an electron transport layer, a hole blocking layer, or an optical space layer may be introduced between the photoelectric conversion layer 140 and the second electrode 150.
- a conductive polymer used as an electron donor may introduce a pyrene compound, thereby achieving high energy conversion efficiency of an organic solar cell by improving photon absorption and hole mobility.
- Table 2 Table 2
- the content of the pyrene compound in the conductive polymer used as the electron donor in the organic optoelectronic device of the present invention is 0 ⁇ ⁇ 0.10 is preferred, more preferably 0 ⁇ ⁇ 0.05 must be satisfied.
- a transparent material is preferable, and examples thereof include glass or polyethylene terephthalate (PET), polyethylene naphthelate (PEN), polypropylene (PP), and PI. (polyamide), TAC (triacetyl cellulose) and the like, and more preferably glass.
- PET polyethylene terephthalate
- PEN polyethylene naphthelate
- PP polypropylene
- PI polyamide
- TAC triacetyl cellulose
- the first electrode 120 may be formed on one surface of the substrate 110 by applying a transparent material or coating in a film form by using a method such as sputtering or spin coating.
- the first electrode 120 functions as an anode, and may be used without particular limitation as long as the material has a work function as compared with the second electrode 150 to be described later.
- the first electrode 120 is an ITO. (indium-tin oxide), Fluorine doped tin oxide (FTO), ZnO- (Ga 2 O 3 or Al 2 O 3 ), SnO 2 -Sb 2 O 3, etc. may be used, and more preferably, ITO is used. .
- the buffer layer 130 formed on the upper portion of the first electrode 120 may improve hole mobility by using poly (3,4-ethylenedioxythiophene) [PEDOT: PSS] doped with polystyrenesulfonate. have.
- the method of forming the buffer layer 130 may be introduced through a method such as spin coating.
- the photoelectric conversion layer 140 is stacked on the buffer layer 130.
- the photoelectric conversion layer 140 is composed of a junction structure of an electron donor and an electron acceptor, and provides a photovoltaic effect with a very fast charge transfer phenomenon between the electron donor and the electron acceptor.
- the present invention uses a conductive polymer in which a pyrene compound represented by Formula 1 of the present invention is introduced as a material of the photoelectric conversion layer 140, and a C 60 fullerene derivative or a C 70 fullerene derivative as an electron acceptor.
- the mixing ratio of the conductive polymer to which the pyrene compound represented by Formula 1 is introduced and the C 60 fullerene derivative or the C 70 fullerene derivative is 1: 0.5 to 1: 4. It is preferable to mix
- the fullerene derivative is blended in less than 0.5 weight ratio, compared to the conductive polymer into which the pyrene compound of the present invention is incorporated, the content of the crystallized fullerene derivative is insufficient, and thus, the movement of the generated electrons is disturbed. In this case, the amount of the conductive polymer that absorbs light is relatively reduced, so that efficient absorption of light is not achieved.
- the photoelectric conversion material in which the conductive polymer to which the pyrene compound of the present invention is introduced and the C 60 fullerene derivative or the C 70 fullerene derivative are blended is dissolved in a single organic solvent or two or more organic solvents having different boiling points to prepare a solution.
- the organic solvent is prepared to be contained in a solvent content of 1.0 to 3.0% by weight in any one solvent selected from the group consisting of chlorobenzene, 1,2-dichlorobenzene and chloroform.
- the solid content is less than 1.0% by weight, there is a problem in maintaining the thickness of the introduced thin film at 60 nm or more, and when it exceeds 3.0% by weight, the conductive polymer and the C 70 fullerene derivative are not preferable because there are many parts insoluble.
- the solution in which the photoelectric conversion material is dissolved is applied or coated by one method selected from spin coating, screen printing, inkjet printing, and doctor blade methods, and is about 60 nm or more, preferably 65 to 200 nm thick. It is formed of a photoelectric conversion layer 140.
- the second electrode 150 is vacuum-heat-deposited a metal material such as aluminum at 100 to 200 nm at a vacuum degree of about 10 ⁇ 7 torr or less while the photoelectric conversion layer 140 is introduced, and then the upper portion of the photoelectric conversion layer 140. Can be stacked on.
- the material that can be used as the second electrode 150 includes gold, aluminum, copper, silver or alloys thereof, calcium / aluminum alloys, magnesium / silver alloys, aluminum / lithium alloys, and the like, preferably aluminum or aluminum Calcium alloy.
- Conductive polymers containing pyrene groups of Examples 1 to 3 and Comparative Examples 1 to 3 synthesized through the Suzuki method are used as electron donors, and C 70 -PCBM is used as electron acceptors, but the compounding ratio is 1: 3.
- the photoelectric conversion layer material prepared by mixing in a weight ratio was dissolved in a chlorobenzene solvent in a weight ratio of 1.5%, and then spin-coated on an ITO glass substrate into which a PEDOT layer was introduced under an argon atmosphere to form a photoelectric conversion layer having a thickness of 60 to 120 nm. It was introduce
- a photoelectric conversion layer material was prepared by mixing the polymers of Examples 1 to 3 and Comparative Examples 1 to 3 and C 70 -PCBM, which are prepared as shown in Scheme 1, in a weight ratio of 1: 3, to an organic solar cell using the same. , The electro-optical characteristics results are shown in Table 1 below.
- FIG. 2 is a current density of an organic solar cell using a photoelectric conversion layer material prepared by mixing the conductive polymers prepared in Examples 1 to 3 and Comparative Examples 1 to 3 and C 70 -PCBM in a weight ratio of 1: 3.
- the fill factor and energy conversion efficiency were calculated by the following equations (1) and (2 ).
- V mp is the voltage value at the maximum power point
- I mp is the current density
- V oc is the photoopen voltage
- I sc is the optical short circuit current.
- J sc is the optical short-circuit current density and V oc is the photo-opening voltage.
- Comparative Example 2 in which 12.5% or more of monomers were added to fluorene, showed a similar efficiency to that of Polymer-1 of Comparative Example 1, which did not contain pyrene compounds, and Comparative Example 3, in which monomers of 25% or more were added. In the case of compared with the polymer-1 of Comparative Example 1, the energy conversion efficiency was found to decrease by about 27% rather than.
- the conductive polymer including pyrene groups of Examples 5 to 6 and Comparative Example 4 synthesized through the Stilly method was used as an electron donor, and C 70 -PCBM was used as an electron acceptor, but the compounding ratio was 1: 3 by weight.
- an organic solar cell was manufactured in the same manner as in Example 4.
- a photoelectric conversion layer material was prepared by mixing the polymers of Examples 5 to 6 and Comparative Example 4 prepared as shown in Scheme 2 and C 70 -PCBM in a weight ratio of 1: 3, and the organic solar cell using the same Optical properties The results are shown in Table 2 below.
- JV is a graph showing the measurement results.
- Step 1 Preparation of 2,5-bis (5-bromo-3-hexylthiophen-2-yl) -thiazolo [5,4-d] thiazole
- Step 2 2,7-bis (4 ', 4', 5 ', 5'-tetramethyl-1', 3 ', 2'-dioxaborolan-2'-yl) -N-9 "- Preparation of Heptadecanylcarbazole
- the target compound was recrystallized from methanol / acetone (10: 1) solution to give the target compound 2: 2,7-bis (4 ', 4', 5 ', 5'-tetramethyl-1', 3 ' Obtained by purifying 2.5 g (50%) of 2'-dioxaborolan-2'-yl) -N-9 "-heptadecanylcarbazole.
- 6-dibromopyrene 0.0072 (0.020 mmol) and 2,7-bis (4 ', 4', 5 ', 5'-tetramethyl-1', 3 ', 2'-di prepared in step 2 Add 0.263 g (0.400 mmol) of oxaborolan-2'-yl) -N-9 "-heptadecanylcarbazole, hold a vacuum for 1 hour, add 4 ml of toluene, and add 30 Stirred for minutes 20% by weight of 1.296 g of Et 4 NOH was added followed by bubbling with nitrogen to remove dissolved oxygen dissolved in the solvent.
- a photoelectric conversion prepared by mixing the compounding ratio in a 1: 3 weight ratio
- the layer material was dissolved in a chlorobenzene solvent at a weight ratio of 1.5%, and then spin-coated to an ITO glass substrate having a PEDOT layer introduced therein under an argon atmosphere to introduce a photoelectric conversion layer having a thickness of 70 to 120 nm. Heat treatment was performed for a minute.
- LiF 0.6 nm and aluminum 100 to 200 nm were sequentially thermally deposited in a vacuum chamber having a vacuum degree of 10 ⁇ 7 torr or less to prepare an organic optoelectronic device.
- the photoelectric conversion layer material was prepared by mixing the polymer prepared in Example 8 and Comparative Example 5 and C 70 -PCBM in a weight ratio of 1: 3, and the electro-optical characteristics of the organic solar cell device using the same were shown in Table 4 below. It is described in.
- the conductive polymer of the present invention is suitable as a polymer for organic solar cells.
- the current density-voltage of the organic solar cell manufactured using the conductive polymer prepared in Example 8 (polymer 11) and Comparative Example 5 (polymer 10) of FIG. 4 prepared by containing a small amount of pyrene in the polymer. From the measurement results, the polymer prepared in Example 8 was improved in the optical short circuit current and the fill factor compared to the polymer of Comparative Example 5 (polymer-10) containing no pyrene, and high energy conversion efficiency of the organic solar cell device It was confirmed. In particular, since the organic solar cell device of the present invention is manufactured in a solution type containing a polymer, there is an economic advantage that a large area device can be provided at low cost.
- a specific amount of pyrene in a donor-acceptor type polymer in which a repetitive acceptor is introduced into a polymer or a donor functional group composed of only a donor functional group containing one or more kinds of aromatic monomers.
- the charge transfer rate is improved to improve the energy conversion efficiency when used as an electron donor of the organic solar cell.
- the conductive polymer of the present invention can be used as an organic optoelectronic device material that can be applied to the field of organic light sensor, organic light emitting diode, organic thin film transistor, organic solar cell.
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Abstract
Description
Claims (12)
- 제1항에 있어서, 상기 X 또는 Y 중 어느 한 쪽이 도너 단량체의 구조이고, 다른 한쪽이 억셉터 단량체 구조인 것을 특징으로 하는 상기 파이렌 화합물이 도입된 전도성 고분자.
- 제8항에 있어서, 상기 광전변환층이 화학식 1로 표시되는 파이렌 화합물이 도입된 전도성 고분자의 전자공여체 및 C60 플러렌 유도체 또는 C70 플러렌 유도체의 전자수용체가 1:0.5 ∼ 1:4 중량비로 배합된 광전변환 물질로 이루어진 것을 특징으로 하는 상기 유기 태양전지.
- 제8항에 있어서, 상기 광전변환 물질 함유 용액이 클로로벤젠, 1,2-디클로로벤젠 및 클로로포름으로 이루어진 군에서 선택되는 어느 하나의 용매에 광전변환 물질 1.0 내지 3.0 중량%가 용해된 것을 특징으로 하는 상기 유기 태양전지.
- 제8항에 있어서, 상기 광전변환 물질이 용해된 용액이 잉크젯 프린팅법, 스핀코팅법, 스크린 인쇄법 및 닥터 블레이드법에서 선택되는 하나의 방법으로 도포 또는 코팅되는 것을 특징으로 하는 상기 유기 태양전지.
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US13/513,761 US8901415B2 (en) | 2009-12-03 | 2010-10-13 | Conducting polymer to which pyrene compounds are introduced, and organic solar cell using same |
CN201080062974.2A CN102762631B (zh) | 2009-12-03 | 2010-10-13 | 含芘导电聚合物及包括含芘导电聚合物的有机太阳能电池 |
JP2012541930A JP2013512985A (ja) | 2009-12-03 | 2010-10-13 | ピレン化合物の導入された伝導性高分子及びそれを用いた有機太陽電池 |
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KR1020090118975A KR101142207B1 (ko) | 2009-12-03 | 2009-12-03 | 파이렌 화합물이 도입된 전도성 고분자 및 그를 이용한 유기 태양전지 |
KR10-2009-0118973 | 2009-12-03 | ||
KR1020090118973A KR101142206B1 (ko) | 2009-12-03 | 2009-12-03 | 디티오펜-티아졸로티아졸기가 함유된 전도성 고분자, 그를 이용한 유기 광전자 소자 및 그를 채용한 유기 태양전지 |
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KR102230190B1 (ko) | 2014-03-11 | 2021-03-22 | 삼성디스플레이 주식회사 | 축합환 화합물 및 이를 포함한 유기 발광 소자 |
KR102261639B1 (ko) | 2014-06-16 | 2021-06-08 | 삼성디스플레이 주식회사 | 축합환 화합물 및 이를 포함한 유기 발광 소자 |
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Also Published As
Publication number | Publication date |
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CN102762631A (zh) | 2012-10-31 |
JP2013512985A (ja) | 2013-04-18 |
US20120305082A1 (en) | 2012-12-06 |
CN102762631B (zh) | 2015-03-11 |
US8901415B2 (en) | 2014-12-02 |
WO2011068305A3 (ko) | 2011-09-09 |
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