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WO2010147427A2 - Nouveau colorant organique et son procédé de préparation - Google Patents

Nouveau colorant organique et son procédé de préparation Download PDF

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Publication number
WO2010147427A2
WO2010147427A2 PCT/KR2010/003949 KR2010003949W WO2010147427A2 WO 2010147427 A2 WO2010147427 A2 WO 2010147427A2 KR 2010003949 W KR2010003949 W KR 2010003949W WO 2010147427 A2 WO2010147427 A2 WO 2010147427A2
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Prior art keywords
formula
dye
compound
substituted
independently
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English (en)
Korean (ko)
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WO2010147427A9 (fr
WO2010147427A3 (fr
Inventor
배호기
안현철
이종찬
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Dongjin Semichem Co Ltd
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Dongjin Semichem Co Ltd
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Priority claimed from KR1020100057784A external-priority patent/KR20100136931A/ko
Application filed by Dongjin Semichem Co Ltd filed Critical Dongjin Semichem Co Ltd
Publication of WO2010147427A2 publication Critical patent/WO2010147427A2/fr
Publication of WO2010147427A9 publication Critical patent/WO2010147427A9/fr
Publication of WO2010147427A3 publication Critical patent/WO2010147427A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B57/00—Other synthetic dyes of known constitution
    • C09B57/008—Triarylamine dyes containing no other chromophores
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/20—Light-sensitive devices
    • H01G9/2059—Light-sensitive devices comprising an organic dye as the active light absorbing material, e.g. adsorbed on an electrode or dissolved in solution
    • 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
    • H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
    • H10K85/633—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine comprising polycyclic condensed aromatic hydrocarbons as substituents on the nitrogen atom
    • 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
    • H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
    • H10K85/636—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine comprising heteroaromatic hydrocarbons as substituents on the nitrogen atom
    • 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
    • H10K85/649—Aromatic compounds comprising a hetero atom
    • H10K85/655—Aromatic compounds comprising a hetero atom comprising only sulfur as heteroatom
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/20—Light-sensitive devices
    • H01G9/2027—Light-sensitive devices comprising an oxide semiconductor electrode
    • H01G9/2031—Light-sensitive devices comprising an oxide semiconductor electrode comprising titanium oxide, e.g. TiO2
    • 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
    • H10K85/626—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene containing more than one polycyclic condensed aromatic rings, e.g. bis-anthracene
    • 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
    • Y02E10/542—Dye sensitized solar cells
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the present invention relates to a novel organic dye for dye-sensitized photovoltaic devices used in dye-sensitized solar cells (DSSC) and a method of manufacturing the same.
  • DSSC dye-sensitized solar cells
  • Dye-sensitized solar cells are expected to be able to replace conventional amorphous silicon solar cells because of their higher efficiency and lower manufacturing costs than conventional silicon-based solar cells.
  • dye-sensitized solar cells are photoelectrochemical solar cells that consist mainly of dyes that absorb visible light to form electron-hole pairs, and transition metal oxides that transfer the generated electrons. .
  • organic dyes containing no metals exhibiting excellent physical properties in terms of light absorption efficiency, redox reaction stability, and intermolecular charge-transfer (CT) absorption have replaced dyes by replacing expensive ruthenium metal complexes. It has been found that it can be used as a dye for solar cells, and research on organic dyes containing no metals has been focused on.
  • Organic dyes generally have a structure of electron donor-electron acceptor residues linked by ⁇ -binding units.
  • amine derivatives act as electron donors
  • 2-cyanoacrylic acid or rhodanine residues act as electron acceptors
  • these two sites are ⁇ -binding systems such as metaine units or thiophene chains. Is connected by.
  • An object of the present invention is to provide an organic dye for a dye-sensitized photoelectric conversion device that can improve the efficiency of the dye-sensitized solar cell by showing an improved molar absorption coefficient and photoelectric conversion efficiency than the conventional metal complex dye.
  • Another object of the present invention is to provide a method for producing the organic dye.
  • Still another object of the present invention is a dye-sensitized photoelectric conversion device including the organic dye exhibiting a markedly improved photoelectric conversion efficiency, excellent Jsc (short circuit photocurrent density) and a molar absorption coefficient, and efficiency including the same It is to provide this remarkably improved solar cell.
  • the present invention provides an organic dye for dye-sensitized photoelectric conversion device represented by the following formula (1) or (2):
  • Ar 1 to Ar 3 are each independently a substituted or unsubstituted C 6 -C 50 aryl group, or at least two or more of A 1 to Ar 3 may be connected to each other to form a hetero ring together with N;
  • o and p are each independently 0 or 1
  • R 1 and R 2 are each independently C 1-12 alkyl, substituted or unsubstituted C 6-30 aryl, and substituted or unsubstituted C 6-20 heteroaryl, or are linked to each other consisting of N, O and S To form a hetero ring including a hetero atom selected from the group,
  • L is each independently selected from the group consisting of O, S, CR 5 R 6 , SiR 7 R 8 and NR 9
  • R 3 and R 4 are each independently hydrogen, substituted or unsubstituted C 1-12 alkyl , Substituted or unsubstituted C 6-30 aryl, and substituted or unsubstituted C 6-20 heteroaryl, one or more selected from the group consisting of, or may be linked to each other to form a ring
  • R 5 to R 9 Are each independently hydrogen or substituted or unsubstituted C 1-12 alkyl
  • n is an integer from 1 to 10.
  • N-bromosuccinimide N-bromosuccinimide
  • X is or Is
  • Y is Br or ego
  • R 1 , R 2 , Sp, o and p are as defined above.
  • the present invention provides an oxide semiconductor fine particle; And it provides a dye-sensitized photoelectric conversion device comprising the organic dye supported on the oxide semiconductor fine particles.
  • the present invention provides a dye-sensitized solar cell comprising the dye-sensitized photoelectric conversion device.
  • the dye compound of the present invention can be used in a dye-sensitized solar cell (DSSC) to exhibit an improved molar absorption coefficient, Jsc (single-circuit photocurrent density) and photoelectric conversion efficiency than conventional dyes, thereby greatly improving the efficiency of the solar cell.
  • DSSC dye-sensitized solar cell
  • alkyl refers to a linear or branched saturated C 1 to C 6 hydrocarbon radical chain. Specific examples include, but are not limited to, methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, t-butyl, n-pentyl, isopentyl and hexyl.
  • aryl refers to a ring system that can be formed by the optionally substituted benzene ring or the fusion of one or more optional substituents.
  • optional substituents include or have substituted C 1-3 alkyl, substituted C 2-3 alkenyl, substituted C 2-3 alkynyl, heteroaryl, heterocycle, aryl, 1 to 3 fluorine substituents Alkoxy, aryloxy, aralkoxy, acyl, aroyl, heteroaroyl, acyloxy and aroyloxy.
  • the ring or ring system may be optionally fused to an aryl ring (including benzene ring), carbocycle ring or heterocycle ring with or without one or more substituents.
  • aryl examples include, but are not limited to, phenyl, naphthyl, tetrahydronaphthyl, biphenyl, indanyl, anthracyl, phenanthryl and substituted derivatives thereof.
  • heteroaryl means a monocyclic 5-6 membered aromatic ring having one or more heteroatoms such as oxygen, sulfur and nitrogen in the ring, or a heteroaryl ring, aryl ring, heterocycle ring or carbocycle Aromatic rings (eg, bicyclic or tricyclic ring systems) fused to one or more rings, such as rings.
  • heteroaryl examples include pyridinyl, pyrrolyl, oxazolyl, indolyl, isoindolyl, purinyl, furanyl, thienyl, benzofuranyl, benzothiophenyl, carbazolyl, imidazolyl, thiazolyl, isox Sazolyl, pyrazolyl, isothiazolyl, quinolyl, isoquinolyl, pyridazyl, pyrimidyl, pyrazil, which may be substituted or unsubstituted, and the like.
  • substituted or “substituted” means that at least one hydrogen in the compound or functional group is halogen, alkyl, alkenyl, alkynyl, aryl, alkoxy, hydroxy, carboxy, carbamoyl, alkoxycarbonyl It means substituted with a substituent selected from the group consisting of, nitro, haloalkyl, amino, alkylcarbonylamino, cycloalkyl group, cyano and thiol.
  • the organic dye according to the present invention has a structure represented by the following formula (1) or (2) to show an improved molar absorption coefficient, Jsc (single circuit photocurrent density) and photoelectric conversion efficiency when used in a dye-sensitized solar cell (DSSC) as a dye-sensitized photoelectric conversion device.
  • Jsc single circuit photocurrent density
  • DSSC dye-sensitized solar cell
  • Ar 1 to Ar 3 are each independently a substituted or unsubstituted C 6 -C 50 aryl group, or at least two or more of A 1 to Ar 3 may be connected to each other to form a hetero ring together with N;
  • An is an anchoring group, each independently , , , , , , , , And Selected from the group consisting of,
  • o and p are each independently 0 or 1
  • R 1 and R 2 are each independently C 1-12 alkyl, substituted or unsubstituted C 6-30 aryl, and substituted or unsubstituted C 6-20 heteroaryl, or are linked to each other to N, O and S To form a hetero ring including a hetero atom selected from the group consisting of
  • Sp is a spacer group, each independently , , And At least one selected from the group consisting of, wherein L is each independently selected from the group consisting of O, S, CR 5 R 6 , SiR 7 R 8 and NR 9 , R 3 and R 4 are each independently hydrogen, One or more selected from the group consisting of substituted or unsubstituted C 1-12 alkyl, substituted or unsubstituted C 6-30 aryl, and substituted or unsubstituted C 6-20 heteroaryl, or are linked to each other to form a ring And R 5 to R 9 are each independently hydrogen or substituted or unsubstituted C 1-12 alkyl, and n is an integer from 1 to 10.
  • Ar 1 to Ar 3 are each independently a C 6 -C 50 aryl group or a C 6 -C 50 aryl group substituted with an alkyl group, more preferably a phenyl group or a dimethylfluorenyl group,
  • o and p are each independently 0 or 1
  • R 1 and R 2 are hydrogen at the same time, or are linked to each other with adjacent thiophenyl groups Form a flag
  • Sp is , , , And It may be selected from the group consisting of.
  • organic dyes according to the present invention include compounds having the following chemical structure:
  • It may be prepared by a manufacturing method comprising:
  • X is or Is
  • Y is Br or Is
  • R 1 , R 2 , Sp, o and p are as defined above.
  • the compounds of the formulas (3) and (4) used as starting materials can be prepared by conventional methods or obtained commercially.
  • the compound of Formula 3 is preferably used in an amount of 2 to 2.5 moles based on 1 mole of the compound of Formula 4.
  • N-bromosuccinimide N-bromosuccinimide
  • DMF dimethylformamide
  • 1-formylpiperi The compound of Formula 7 is prepared by reacting with BuLi in a solvent such as Dean.
  • the compound of Formula 5 is preferably used in 0.4 to 0.5 moles per mole of NBS, and the compound of Formula 6 produced as a result of the reaction is preferably used in 0.4 to 0.5 moles per mole of BuLi.
  • the compound of Formula 7 may be prepared by reacting the compound of Formula 5 prepared in Step (1) with BuLi in an organic solvent such as DMF.
  • the compound of Formula 5 is preferably used in 0.4 to 0.5 mole with respect to 1 mole of BuLi.
  • the organic dye according to the present invention can be prepared by reacting with an anchoring group providing compound such as cyanoacetic acid.
  • the compound of Formula 7 is used in an amount of 0.4 to 0.5 moles per 1 mole of the anchoring group-providing compound.
  • the organic dye according to the present invention may be prepared by the methods described in Schemes 1 to 4 below. The present invention is only an example, but is not limited thereto.
  • the organic dye according to the present invention prepared by the above manufacturing method is used in dye-sensitized solar cells (DSSC) as a dye-sensitized photoelectric conversion element, improved molar absorption coefficient, Jsc (short circuit photocurrent density) and The photoelectric conversion efficiency can be shown to greatly improve the efficiency of the solar cell.
  • DSSC dye-sensitized solar cells
  • the present invention provides a dye-sensitized photoelectric conversion device comprising the organic dye.
  • the dye-sensitized photoelectric conversion device is characterized in that it comprises an oxide semiconductor microparticles, and the organic dye supported on the oxide semiconductor microparticles.
  • a dye-sensitized photoelectric conversion device in addition to using the organic dye, methods for manufacturing dye-sensitized photoelectric conversion devices for solar cells using conventional dyes may be applied, and preferably, the dyes of the present invention.
  • the sensitized photoelectric conversion device can be manufactured by producing a thin film of an oxide semiconductor on a substrate using oxide semiconductor fine particles, and then supporting the organic dye according to the present invention on the thin film.
  • the substrate on which the thin film of the oxide semiconductor is formed is preferably conductive, and a commercially available one may be used.
  • a thin film of conductive metal oxide such as tin oxide coated with indium, fluorine, or antimony on the surface of a transparent polymer material such as glass or polyethylene terephthalate or polyether sulfone, or a metal thin film such as copper, silver, or gold What formed this can be used.
  • the conductivity is preferably 1000 ⁇ or less, particularly preferably 100 ⁇ or less.
  • oxide semiconductor fine particles a metal oxide is preferable.
  • oxides such as titanium, tin, zinc, tungsten, zirconium, gallium, indium, yttrium, niobium, tantalum and vanadium can be used.
  • oxides such as titanium, tin, zinc, niobium and indium are preferable, titanium oxide, zinc oxide and tin oxide are more preferable, and titanium oxide is most preferred.
  • the oxide semiconductor may be used alone, or may be mixed or coated on the surface of the semiconductor.
  • the particle diameter of the oxide semiconductor fine particles is preferably 1 to 500 nm, more preferably 1 to 100 nm as the average particle diameter.
  • the fine particles of the oxide semiconductor may be mixed with a large particle size and a small particle size, or may be used as a multilayer.
  • the oxide semiconductor thin film is a method of forming oxide semiconductor fine particles into a thin film directly on the substrate through spray spraying, a method of electrically depositing a semiconductor fine particle thin film using the substrate as an electrode, a slurry of semiconductor fine particles, or a semiconductor such as a semiconductor alkoxide.
  • the paste containing the fine particles prepared by hydrolyzing the precursor of the fine particles can be applied onto a substrate, and then produced by drying, curing or baking. Among these, a method of applying the paste onto the substrate is preferable.
  • the said slurry can be obtained by disperse
  • a dispersion medium which disperses a slurry as long as it can disperse semiconductor fine particles, it can use without a restriction
  • a dispersion stabilizer can be used for the purpose of stabilizing the dispersion state of oxide semiconductor microparticles
  • coated the slurry is 100 degreeC or more, Preferably it is 200 degreeC or more, and the upper limit is generally below melting
  • the firing time is not particularly limited, but is generally within 4 hours.
  • the thickness of the oxide semiconductor fine particles formed on the substrate is preferably 1 to 200 m, more preferably 1 to 50 m.
  • a part of the thin film of the oxide semiconductor fine particles may be deposited during firing, but such deposition does not particularly affect the present invention.
  • Secondary processing may be performed on the oxide semiconductor thin film.
  • the performance of a semiconductor thin film may be improved by directly depositing a thin film for each substrate and drying or refiring it in a solution such as alkoxide, chloride, nitride or sulfide of the same metal as the semiconductor.
  • a solution such as alkoxide, chloride, nitride or sulfide of the same metal as the semiconductor.
  • the metal alkoxide include titanium ethoxide, titanium isopropoxide, titanium t-butoxide, n-dibutyl-diacetyl tin, and the like.
  • the solvent may be used as an alcohol solution using alcohol.
  • the chloride examples include titanium tetrachloride, tin tetrachloride, and zinc chloride, and the like can be used as an aqueous solution using water as a solvent.
  • the oxide semiconductor thin film thus obtained is composed of fine particles of an oxide semiconductor.
  • the method of supporting the dye on the oxide semiconductor fine particles formed in the thin film phase is not particularly limited, and as a specific example prepared by dissolving the organic dye represented by the formula (I) and (II) in a solvent capable of dissolving The method of immersing the board
  • the concentration of the organic dye in the solution or dispersion can be appropriately determined depending on the dye.
  • the dye concentration is preferably 1 ⁇ 10 ⁇ 6 M to 1 M, more preferably 1 ⁇ 10 ⁇ 5 M to 1 ⁇ 10 ⁇ 1 M.
  • the temperature during deposition is usually from room temperature to the boiling point of the solvent, and the deposition time is about 1 minute to 48 hours.
  • the organic dye to be supported may be one kind or may be mixed in several kinds.
  • other organic dyes or metal complex dyes may be mixed with the organic dyes according to the present invention.
  • the metal complex dyes that can be mixed are not particularly limited, but ruthenium complexes and quaternary salts thereof, phthalocyanine, porphyrin and the like are preferable, and other organic dyes include metal-free phthalocyanine, porphyrin or cyanine, merocyanine, oxo.
  • Methine dyes such as knol, triphenylmethane, and acrylic acid dyes described in WO2002 / 011213, and dyes such as xanthene, azo, anthraquinone, and perylene-based dyes (MK Nazeeruddin, A.). Kay, I. Rodicio, R. Humphry-Baker, E. Muller, P. Liska, N. Vlachopoulos, M. Gratzel, J. Am. Chem. Soc., Vol. 115, p . 6382 (1993). . In the case of using two or more kinds of dyes, the dyes may be adsorbed onto the semiconductor thin film in order, or may be mixed and dissolved and adsorbed.
  • the dye when the dye is supported on the thin film of the oxide semiconductor fine particles, it is preferable to support the dye in the presence of the inclusion compound in order to prevent the dyes from bonding.
  • the inclusion compound include cholic acids such as deoxycholic acid, dehydrodeoxycholic acid, kenodeoxycholic acid, cholate methyl ester and sodium cholate; Steroid compounds such as polyethylene oxide and cholic acid; Crown ethers; Cyclodextrins; Callix arene; Polyethylene oxide and the like can be used.
  • the substrate on which the semiconductor fine particle thin film is installed can be treated with an amine compound such as 4-t-butyl pyridine or a compound having an acidic group such as acetic acid or propionic acid.
  • an amine compound such as 4-t-butyl pyridine
  • a compound having an acidic group such as acetic acid or propionic acid.
  • a treatment method for example, a method of dipping a substrate provided with a thin film of semiconductor fine particles in which a dye is supported in an amine ethanol solution may be used.
  • the present invention provides a dye-sensitized solar cell comprising the dye-sensitized photoelectric conversion element.
  • the dye-sensitized solar cell may be composed of a photoelectric conversion element electrode (cathode), a counter electrode (anode), a redox electrolyte, a hole transport material, or a p-type semiconductor, in which an organic dye is supported on oxide semiconductor fine particles.
  • the dye-sensitized solar cell may be applied to conventional methods of manufacturing a solar cell using a conventional photoelectric conversion element, in addition to using a dye-sensitized photoelectric conversion element using the oxide semiconductor fine particles carrying the organic dye.
  • the dye-sensitized solar cell according to the present invention comprises the steps of coating a titanium oxide paste on a conductive transparent substrate; Baking the paste-coated substrate to form a titanium oxide thin film; Impregnating the substrate on which the titanium oxide thin film is formed into a mixed solution in which an organic dye is dissolved to form a titanium oxide film electrode to which dye is adsorbed; Providing a second glass substrate having a counter electrode formed thereon; Forming a hole penetrating the second glass substrate and the counter electrode; Bonding the counter electrode to the titanium oxide film electrode by placing a thermoplastic polymer film between the counter electrode and the titanium oxide film electrode to which the dye is adsorbed, and performing a heat compression process; Injecting an electrolyte into the thermoplastic polymer film
  • the redox electrolyte, hole transport material, p-type semiconductor, and the like may be used in the form of a liquid, a solid (gel and gel), a solid, and the like.
  • redox electrolyte, dissolved salt, hole transport material, p-type semiconductor, etc. are dissolved in a solvent, or room temperature dissolved salts, etc., respectively, in the case of coagulated bodies (gel and gel form), these are polymer matrix or low molecular gel.
  • a solid phase redox electrolyte, a dissolved salt, a hole transport material, a p-type semiconductor, or the like can be used.
  • the hole transport material examples include conductive polymers such as amine derivatives, polyacetylene, polyaniline, and polythiophene; Or an object using a discotech liquid crystal phase such as a triphenylene compound.
  • conductive polymers such as amine derivatives, polyacetylene, polyaniline, and polythiophene; Or an object using a discotech liquid crystal phase such as a triphenylene compound.
  • CuI, CuSCN, etc. can be used as a p-type semiconductor.
  • the counter electrode has conductivity and catalyzes the reduction reaction of the redox electrolyte.
  • platinum, carbon, rhodium, ruthenium, or the like deposited on glass or a polymer film, or coated with conductive fine particles can be used.
  • the redox electrolyte examples include a halogen redox electrolyte composed of a halogen compound-halogen molecule having halogen ions as a counter ion; Metal redox-based electrolytes such as metal complexes such as ferrocyanate-ferrocyanate, ferrocene-ferricinium ions and cobalt complexes; Organic redox-based electrolytes such as alkylthiol-alkyldisulfide, viologen dye, hydroquinone-quinone and the like can be used, and a halogen redox-based electrolyte is preferable.
  • a halogen redox electrolyte composed of a halogen compound-halogen molecule having halogen ions as a counter ion
  • Metal redox-based electrolytes such as metal complexes such as ferrocyanate-ferrocyanate, ferrocene-ferricinium ions and cobalt complexes
  • halogen molecule in a halogen redox electrolyte composed of halogen compound-halogen molecules an iodine molecule is preferable.
  • a halogen compound having a halogen ion as a large ion halogenated metal salts such as LiI, NaI, KI, CaI2, MgI2 and CuI, or organic ammonium salts of halogen such as tetraalkylammonium iodine, imidazolium iodine and pyridium iodine, or I2 Can be used.
  • an electrochemically inert one may be used as the solvent.
  • an electrochemically inert one may be used as the solvent.
  • Specific examples include acetonitrile, propylene carbonate, ethylene carbonate, 3-methoxy propionitrile, methoxy acetonitrile, ethylene glycol, propylene glycol, diethylene glycol, triethylene glycol, butyrolactone, dimethoxyethane, dimethyl carbonate, 1,3-dioxolane, methylformate, 2-methyltetrahydrofuran, 3-methoxy-oxazolidin-2-one, sulfolane, tetrahydrofuran, water, and the like, in particular acetonitrile, Propylene carbonate, ethylene carbonate, 3-methoxy propionitrile, ethylene glycol, 3-methoxy-oxazolidin-2-one, butyrolactone and the like are preferable.
  • the solvents may be used alone or in combination.
  • the gel electrolyte one containing an electrolyte or an electrolyte solution in a matrix such as an oligomer and a polymer, or one containing an electrolyte or an electrolyte solution in the same manner as a starch gelling agent can be used.
  • the concentration of the redox electrolyte is preferably 0.01 to 99% by weight, more preferably 0.1 to 30% by weight.
  • a counter electrode anode
  • a photoelectric conversion element cathode
  • a solution containing a redox electrolyte is filled therebetween.
  • the intermediate 18a prepared above was added to DMF, and NBS was added to the solution prepared by stirring, followed by stirring at 50 ° C for 2 hours. Distilled water was poured into the resulting reaction mixture, followed by stirring, and the resulting solid was filtered. The resulting solid was dissolved in THF, dried over anhydrous magnesium sulfate, and the solvent THF was removed under reduced pressure to obtain an intermediate 18b of the following chemical formula.
  • An intermediate (27c) was obtained in the same manner as in Example 1, except that the intermediate (27b) prepared above was used instead of the intermediate (18b).
  • the compound of Chemical Formula 27 was obtained in the same manner as in Example 1, except that Intermediate 27c prepared above was used instead of Intermediate 18c in Example 1.
  • a dye-sensitized solar cell was prepared using a 13 + 10 ⁇ m TiO 2 transparent layer.
  • the washed FTO (Pilkington, 8 ⁇ sq-1) glass substrate was impregnated in a 40 mM TiCl 4 aqueous solution.
  • a TiO2 paste (Solaronix, 13 nm anatase) was screen printed to produce a 13 ⁇ m thick first TiO2 layer, and another paste (CCIC, HWP-400) was used to prepare a 10 ⁇ m thick second TiO2 scattering layer. .
  • TiO2 electrode in a solution of the dye according to the present invention (prepared by dissolving the compound prepared in Example 1-4 at 0.3 mM each in 10 mM 3a, 7a-dihydroxy-5b-cholic acid containing ethanol) After impregnation, it was left at room temperature for 18 hours.
  • the counter electrode was prepared by coating a solution of H 2 PtCl 6 (containing 2 mg of Pt in 1 mL of ethanol) on an FTO substrate.
  • the dye compound of the present invention can be used in a dye-sensitized solar cell (DSSC) to exhibit an improved molar absorption coefficient, Jsc (single-circuit photocurrent density) and photoelectric conversion efficiency than conventional dyes, thereby greatly improving the efficiency of the solar cell.
  • DSSC dye-sensitized solar cell

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  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
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Abstract

L'invention concerne un nouveau colorant organique destiné à un dispositif de conversion photoélectrique à colorant, et son procédé de préparation. Le colorant organique selon l'invention est utilisé en tant que dispositif de conversion photoélectrique à colorant dans une cellule solaire à colorant (DSSC) et présente un pouvoir d'absorption molaire supérieur, un Jsc supérieur (densité de photocourant de court-circuit) et un rendement de conversion photoélectrique supérieur, par rapport à des colorants connus, ce qui permet d'augmenter considérablement le rendement de la pile solaire.
PCT/KR2010/003949 2009-06-19 2010-06-18 Nouveau colorant organique et son procédé de préparation Ceased WO2010147427A2 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR20090055226 2009-06-19
KR10-2009-0055222 2009-06-19
KR10-2009-0055226 2009-06-19
KR20090055222 2009-06-19
KR10-2010-0057784 2010-06-17
KR1020100057784A KR20100136931A (ko) 2009-06-19 2010-06-17 신규한 유기염료 및 이의 제조방법

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WO2010147427A2 true WO2010147427A2 (fr) 2010-12-23
WO2010147427A9 WO2010147427A9 (fr) 2011-03-10
WO2010147427A3 WO2010147427A3 (fr) 2011-04-28

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013147145A1 (fr) * 2012-03-30 2013-10-03 日本化薬株式会社 Élément de conversion photoélectrique sensibilisé par un colorant
CN103956270A (zh) * 2014-05-19 2014-07-30 福州大学 利用金属有机框架材料改进敏化太阳能电池性能的方法
US8975419B2 (en) 2012-06-29 2015-03-10 Nano And Advanced Materials Institute Limited Low bandgap dicyanovinyl and tricyanovinyl oligothiophenes for solar cell applications
WO2015037676A1 (fr) * 2013-09-12 2015-03-19 日本化薬株式会社 Colorant méthine et élément de conversion photoélectrique sensibilisé par colorant

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005135656A (ja) * 2003-10-28 2005-05-26 Shozo Yanagida 光電変換素子
WO2007100033A1 (fr) * 2006-03-02 2007-09-07 Nippon Kayaku Kabushiki Kaisha Dispositif de conversion photoelectrique sensible aux colorants
TWI491677B (zh) * 2007-10-15 2015-07-11 Dongjin Semichem Co Ltd 新穎的以噻吩為基礎之染料及其製備
KR20080018238A (ko) * 2008-02-05 2008-02-27 계광열 쿠마린 함유 염료 감응 태양전지용 염료

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013147145A1 (fr) * 2012-03-30 2013-10-03 日本化薬株式会社 Élément de conversion photoélectrique sensibilisé par un colorant
JPWO2013147145A1 (ja) * 2012-03-30 2015-12-14 日本化薬株式会社 色素増感光電変換素子
US8975419B2 (en) 2012-06-29 2015-03-10 Nano And Advanced Materials Institute Limited Low bandgap dicyanovinyl and tricyanovinyl oligothiophenes for solar cell applications
WO2015037676A1 (fr) * 2013-09-12 2015-03-19 日本化薬株式会社 Colorant méthine et élément de conversion photoélectrique sensibilisé par colorant
CN103956270A (zh) * 2014-05-19 2014-07-30 福州大学 利用金属有机框架材料改进敏化太阳能电池性能的方法

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WO2010147427A3 (fr) 2011-04-28

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