WO2020027264A1 - アニリン誘導体 - Google Patents
アニリン誘導体 Download PDFInfo
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- WO2020027264A1 WO2020027264A1 PCT/JP2019/030225 JP2019030225W WO2020027264A1 WO 2020027264 A1 WO2020027264 A1 WO 2020027264A1 JP 2019030225 W JP2019030225 W JP 2019030225W WO 2020027264 A1 WO2020027264 A1 WO 2020027264A1
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- SOODLDGRGXOSTA-UHFFFAOYSA-N Brc1ccc(c(cccc2)c2[n]2-c3ccccc3)c2c1 Chemical compound Brc1ccc(c(cccc2)c2[n]2-c3ccccc3)c2c1 SOODLDGRGXOSTA-UHFFFAOYSA-N 0.000 description 1
- GVECGXSYRLOYSS-PIFUHNQXSA-N C[C@@H](CC(Cc1ccc(c2ccccc2[n]2-c3ccccc3)c2c1)c(cc1)cc2c1c(cccc1)c1[n]2-c1ccccc1)C(C)N(c(cc1)cc2c1c1ccccc1[n]2-c1ccccc1)c1ccc(c(cccc2)c2[n]2-c3ccccc3)c2c1 Chemical compound C[C@@H](CC(Cc1ccc(c2ccccc2[n]2-c3ccccc3)c2c1)c(cc1)cc2c1c(cccc1)c1[n]2-c1ccccc1)C(C)N(c(cc1)cc2c1c1ccccc1[n]2-c1ccccc1)c1ccc(c(cccc2)c2[n]2-c3ccccc3)c2c1 GVECGXSYRLOYSS-PIFUHNQXSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/14—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing three or more hetero rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/56—Ring systems containing three or more rings
- C07D209/80—[b, c]- or [b, d]-condensed
- C07D209/82—Carbazoles; Hydrogenated carbazoles
- C07D209/86—Carbazoles; Hydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
Definitions
- the present invention relates to an aniline derivative.
- an organic electroluminescence (hereinafter, also referred to as an organic EL) element a charge transporting thin film made of an organic compound is used as a light emitting layer and a charge injection layer.
- the hole injection layer is responsible for transferring charges between the anode and the hole transport layer or the light emitting layer, and performs an important function for achieving low voltage driving and high luminance of the organic EL element.
- the method of forming the hole injection layer is roughly classified into a dry process typified by a vapor deposition method and a wet process typified by a spin coating method. When comparing these processes, the wet process is flatter in a larger area. A highly efficient thin film can be manufactured efficiently. Therefore, as the area of the organic EL display is increased, a hole injection layer that can be formed by a wet process is desired.
- the present inventors have applied a material that can be applied to various wet processes and also provides a charge transporting property that can realize excellent characteristics when applied to a hole injection layer of an organic EL element, Although compounds that can be used for such materials have been developed (for example, Patent Documents 1 to 3), there is a continuing need for new wet process materials as the development of organic EL displays is energetically advanced. . In addition, there is a strong demand for cheaper materials.
- the present invention has been made in view of the above circumstances, provides a thin film that can be easily synthesized from a simple raw material compound, and has excellent charge transportability, and is excellent when this thin film is applied to a hole injection layer or the like. It is an object to provide an aniline derivative that can realize an organic EL device having characteristics.
- the present inventors have conducted intensive studies in order to achieve the above object, and as a result, have found that certain molecules having an N, N, N ′, N′-tetra (carbazol-2-yl) -paraphenylenediamine structure in the molecule are obtained.
- the aniline derivative can be easily synthesized from an inexpensive and simple 1,4-phenylenediamine and a halogenated or pseudohalogenated carbazole derivative, and also provides a thin film having excellent charge transporting properties. It has been found that an organic EL device having excellent characteristics can be realized when applied to the present invention, and the present invention has been completed.
- each Ar is independently a group represented by any of the following formulas (Ar1) to (Ar9).
- R 1 to R 21 each independently represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms which may be substituted by Z 1 , or a C 2 to 20 carbon atom which may be substituted by Z 1 alkenyl groups, Z 1 at carbon atoms which may be substituted have 2-20 alkynyl group, Z 2 in the by carbon atoms 6 also be ⁇ 20 substituted aryl group or C may be substituted with Z 2 2 to 20 heteroaryl groups, Z 1 is a halogen atom, a nitro group, a cyano group, a heteroaryl group aryl or Z 3 which do 2-20 carbon atoms substituted with Z 3 are carbon atoms that may 6 to be 20 substituted with Yes, Z 2 is a halogen atom
- the aniline derivative of the present invention is easily soluble in an organic solvent, and can be easily prepared alone or together with a dopant in an organic solvent to prepare a charge transporting composition. Further, the aniline derivative of the present invention provides a thin film having a high charge transporting property, and this thin film can be suitably applied to electronic devices such as organic EL devices.
- the aniline derivative of the present invention is represented by the following formula (1).
- each Ar is independently a group represented by any of the following formulas (Ar1) to (Ar9).
- R 1 to R 21 each independently represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms which may be substituted by Z 1 , and which may be substituted by Z 1.
- an alkenyl group having 2 to 20 carbon atoms, substituted with an aryl group, or Z 2 alkynyl group, Z 2 is optionally carbon atoms 6 to be 20 substituted with Z 1 to 2 carbon atoms which may be ⁇ 20 substituted by And a heteroaryl group having 2 to 20 carbon atoms.
- Z 1 is a halogen atom, a nitro group, a cyano group, a heteroaryl group aryl or Z 3 which do 2-20 carbon atoms substituted with Z 3 are carbon atoms that may 6 to be 20 substituted with is there.
- Z 2 is a halogen atom, a nitro group, a cyano group, Z 3-substituted of having 1 to 20 carbon atoms in the alkyl group, an alkenyl group of Z 3 is 1-2 carbon atoms which may be 20 substituted by or Z An alkynyl group having 2 to 20 carbon atoms which may be substituted by 3 ;
- Z 3 is a halogen atom, a nitro group or a cyano group.
- halogen atom examples include a fluorine atom, a chlorine atom, a bromine atom, and an iodine atom, and a fluorine atom is preferable.
- the alkyl group having 1 to 20 carbon atoms may be linear, branched, or cyclic, and specific examples thereof include methyl, ethyl, n-propyl, isopropyl, n-butyl, and isobutyl.
- Group having 1 to 20 carbon atoms such as a s-butyl group, a s-butyl group, a t-butyl group, a n-pentyl group, a n-hexyl group, a n-heptyl group, a n-octyl group, a n-nonyl group and a n-decyl group.
- a chain or branched alkyl group and a cyclic alkyl group having 3 to 20 carbon atoms such as a cyclopropyl group, a cyclobutyl group, a cyclopentyl group, a cyclohexyl group, a cycloheptyl group, a cyclooctyl group, a cyclononyl group, and a cyclodecyl group.
- the alkenyl group having 2 to 20 carbon atoms may be linear, branched or cyclic, and specific examples thereof include ethenyl, n-1-propenyl, n-2-propenyl, 1-methylethenyl Group, n-1-butenyl group, n-2-butenyl group, n-3-butenyl group, 2-methyl-1-propenyl group, 2-methyl-2-propenyl group, 1-ethylethenyl group, 1-methyl- Examples thereof include a 1-propenyl group, a 1-methyl-2-propenyl group, an n-1-pentenyl group, and an n-1-decenyl group.
- the alkynyl group having 2 to 20 carbon atoms may be linear, branched or cyclic, and specific examples thereof include an ethynyl group, an n-1-propynyl group, an n-2-propynyl group, and an n-1 -Butynyl group, n-2-butynyl group, n-3-butynyl group, 1-methyl-2-propynyl group, n-1-pentynyl group, n-2-pentynyl group, n-3-pentynyl group, n- 4-pentynyl group, 1-methyl-n-butynyl group, 2-methyl-n-butynyl group, 3-methyl-n-butynyl group, 1,1-dimethyl-n-propynyl group, n-1-hexynyl group, and n-1-decynyl group.
- aryl group having 6 to 20 carbon atoms include phenyl, tolyl, 1-naphthyl, 2-naphthyl, 1-anthryl, 2-anthryl, 9-anthryl, and 1-phenanthryl. , 2-phenanthryl, 3-phenanthryl, 4-phenanthryl, 9-phenanthryl and the like.
- heteroaryl group having 2 to 20 carbon atoms examples include a 2-thienyl group, a 3-thienyl group, a 2-furanyl group, a 3-furanyl group, a 2-oxazolyl group, a 4-oxazolyl group, and a 5-oxazolyl group.
- an aryl group Z 2 are carbon atoms 6 also be ⁇ 20 substituted with a heteroaryl group Z 2 is optionally 2-20 carbon atoms preferably substituted with, Z more preferably an aryl group which may having 6 to 20 carbon atoms optionally substituted by 2 phenyl group which may be substituted with Z 2, which may be substituted with Z 2 1-naphthyl group, substituted with Z 2 An optionally substituted 2-naphthyl group is even more preferred.
- a halogen atom an alkyl group of Z 3 are optionally to 1 to 20 carbon atoms substituted with an alkenyl group Z 3 are optionally 2-20 carbon atoms substituted with preferred.
- a halogen atom is preferable, and a fluorine atom is more preferable.
- Ars are all the same.
- a group represented by any of formulas (Ar1) to (Ar5) is more preferable, and a group represented by formula (Ar1) The group represented by is optimal.
- the aniline derivative of the present invention is produced by reacting paraphenylenediamine (1,4-phenylenediamine) with a halogenated or pseudohalogenated carbazole derivative represented by the following formula (N1) in the presence of a catalyst.
- N1 a halogenated or pseudohalogenated carbazole derivative represented by the following formula (N1)
- Ar is the same as described above, and X is a halogen atom or a pseudohalogen group.
- halogen atom examples include the same as described above, but a chlorine atom, a bromine atom and an iodine atom are preferable.
- pseudohalogen group examples include a (fluoro) alkylsulfonyloxy group such as a methanesulfonyloxy group, a trifluoromethanesulfonyloxy group, and a nonafluorobutanesulfonyloxy group; and an aromatic sulfonyloxy group such as a benzenesulfonyloxy group and a toluenesulfonyloxy group. And the like.
- the charge ratio of the 1,4-phenylenediamine to the halogenated or pseudohalogenated carbazole derivative is such that the halogenated or pseudohalogenated carbazole derivative is at least equivalent to the total amount of NH groups in 1,4-phenylenediamine. However, about 1 to 1.2 equivalents are preferred.
- Examples of the catalyst used in the reaction include copper catalysts such as copper chloride, copper bromide, and copper iodide; tetrakis (triphenylphosphine) palladium (Pd (PPh 3 ) 4 ), bis (triphenylphosphine) dichloropalladium (Pd (PPh 3 ) 2 Cl 2 ), bis (dibenzylideneacetone) palladium (Pd (dba) 2 ), tris (dibenzylideneacetone) dipalladium (Pd 2 (dba) 3 ), bis [tri (t-butyl) Phosphine)] palladium catalysts such as palladium (Pd (Pt-Bu 3 ) 2 ) and palladium acetate (Pd (OAc) 2 ). These catalysts may be used alone or in combination of two or more.
- Such catalysts may be used together with a known suitable ligand.
- ligands include triphenylphosphine, tri-o-tolylphosphine, diphenylmethylphosphine, phenyldimethylphosphine, trimethylphosphine, triethylphosphine, tributylphosphine, tri-t-butylphosphine, di-t-butyl ( Phenyl) phosphine, di-t-butyl (4-dimethylaminophenyl) phosphine, 1,2-bis (diphenylphosphino) ethane, 1,3-bis (diphenylphosphino) propane, 1,4-bis (diphenyl) Examples include tertiary phosphines such as phosphino) butane and 1,1′-bis (diphenylphosphino) ferrocene, and tertiary phosphites such as trimethyl
- the amount of the catalyst used can be about 0.01 to 0.2 mol, preferably about 0.15 mol, per 1 mol of the halogenated or pseudohalogenated carbazole derivative.
- the amount of the ligand used can be 0.1 to 5 equivalents to the catalyst to be used, but is preferably 1 to 2 equivalents.
- aliphatic hydrocarbons penentane, n-hexane, n-octane, n-decane, decalin, etc.
- halogenated aliphatic hydrocarbons chloroform, dichloromethane, dichloroethane, carbon tetrachloride, etc.
- aromatics Aromatic hydrocarbons (benzene, nitrobenzene, toluene, o-xylene, m-xylene, p-xylene, mesitylene, etc.), halogenated aromatic hydrocarbons (chlorobenzene, bromobenzene, o-dichlorobenzene, m-dichlorobenzene, p-dichlorobenzene, etc.), ethers (diethyl ether, diisopropyl ether, t-butyl methyl ether, tetrahydrofuran, dioxane, 1,2-dimethoxyethan
- the reaction temperature may be appropriately set in the range from the melting point to the boiling point of the solvent to be used, but is usually in the range of about 0 to 200 ° C, preferably in the range of 20 to 150 ° C.
- a post-treatment is carried out according to a conventional method to obtain a desired aniline derivative.
- the aniline derivative of the present invention is suitable as a charge transporting substance and exhibits excellent solubility in an organic solvent. Therefore, the charge transporting composition can be easily prepared by dissolving the aniline derivative of the present invention in an organic solvent.
- a highly soluble solvent that can satisfactorily dissolve the aniline derivative of the present invention can be used.
- the highly soluble solvent include, for example, cyclohexanone, N, N-dimethylformamide, N, N-dimethylacetamide, N, N-dimethylisobutyramide, N-methylpyrrolidone, 1,3-dimethyl-2-imidazo Examples include, but are not limited to, organic solvents such as lydinone and diethylene glycol monomethyl ether. These solvents may be used alone or in a combination of two or more. The amount used can be 5 to 100% by mass based on the whole solvent used in the composition.
- the composition has a viscosity of 10 to 200 mPa ⁇ s at 25 ° C., particularly 35 to 150 mPa ⁇ s, and a high viscosity organic solvent having a boiling point of 50 to 300 ° C., particularly 150 to 250 ° C. at normal pressure (atmospheric pressure).
- the viscosity of the composition can be easily adjusted, and as a result, it is possible to prepare a composition that gives a highly planar thin film with good reproducibility and that is suitable for the application method used.
- the high-viscosity organic solvent examples include cyclohexanol, ethylene glycol, ethylene glycol diglycidyl ether, 1,3-octylene glycol, diethylene glycol, dipropylene glycol, triethylene glycol, tripropylene glycol, 1,3-butanediol, Examples include, but are not limited to, 2,3-butanediol, 1,4-butanediol, propylene glycol, hexylene glycol, and the like. These solvents may be used alone or in a combination of two or more.
- the addition ratio of the high-viscosity organic solvent to the entire solvent used in the composition is preferably within a range in which no solid precipitates, and as long as no solid precipitates, the addition ratio is preferably 5 to 80% by mass.
- another solvent is used in an amount of 1 to 90% by mass, preferably 1 to 90% by mass based on the whole solvent used in the composition. Can be mixed at a ratio of 1 to 50% by mass.
- Examples of such a solvent include propylene glycol monomethyl ether, ethylene glycol monobutyl ether, diethylene glycol diethyl ether, diethylene glycol dimethyl ether, diethylene glycol monoethyl ether acetate, diethylene glycol monobutyl ether acetate, dipropylene glycol monomethyl ether, propylene glycol monomethyl ether acetate, diethylene glycol.
- Examples include, but are not limited to, monoethyl ether, diacetone alcohol, ⁇ -butyrolactone, ethyl lactate, n-hexyl acetate, and the like. These solvents may be used alone or in a combination of two or more.
- the aniline derivative of the present invention has a substituent on at least one nitrogen atom in the molecule
- the aniline derivative has an aryl group on the nitrogen atom at the 9-position of the carbazole moiety in the molecule
- the composition can be easily prepared using only a low-polarity solvent.
- low-polarity solvents include chlorinated solvents such as chloroform and chlorobenzene; aromatic hydrocarbon-based solvents such as toluene, xylene, tetralin, cyclohexylbenzene, and decylbenzene; 1-octanol, 1-nonanol, -Aliphatic alcohol solvents such as decanol; tetrahydrofuran, dioxane, anisole, 4-methoxytoluene, 3-phenoxytoluene, dibenzyl ether, diethylene glycol dimethyl ether, diethylene glycol butyl methyl ether, triethylene glycol dimethyl ether, triethylene glycol butyl methyl ether, etc.
- chlorinated solvents such as chloroform and chlorobenzene
- aromatic hydrocarbon-based solvents such as toluene, xylene, tetralin, cyclohexylbenzene, and decylbenzene
- Ether solvents methyl benzoate, ethyl benzoate, butyl benzoate, dimethyl phthalate, diethyl maleate, isoamyl benzoate, bis (2 -Ethylhexyl), dibutyl maleate, dibutyl oxalate, hexyl acetate, ester solvents such as diethylene glycol monoethyl ether acetate, diethylene glycol monobutyl ether acetate, and the like, but are not limited thereto. These solvents may be used alone or in a combination of two or more.
- the charge transporting composition of the present invention may contain water as a solvent, but when the charge transporting thin film obtained from the composition is used as a hole injection layer of an organic EL device, a highly durable device can be reproducibly prepared.
- the content of water is preferably 10% by mass or less, more preferably 5% by mass or less of the whole solvent, and it is optimal to use only an organic solvent as the solvent.
- “only organic solvent” means that only the organic solvent is used as the solvent, and denies the existence of "water” contained in a trace amount in the organic solvent or solid content used. It does not do.
- the solid content means components other than the solvent contained in the charge transporting composition.
- the charge transporting composition of the present invention may contain other charge transporting substances in addition to the charge transporting substance comprising the aniline derivative of the present invention.
- the charge transporting composition contains a charge transporting substance comprising the aniline derivative of the present invention and an organic solvent.
- the charge transporting composition may contain a dopant (charge) for the purpose of improving the charge transporting ability and the like. Receptive substances).
- the dopant is not particularly limited as long as it is soluble in at least one kind of solvent used in the composition, and either an inorganic dopant or an organic dopant can be used. Further, the inorganic and organic dopants may be used alone or in combination of two or more.
- the amount of the dopant in the composition cannot be specified unconditionally because it varies depending on the desired degree of charge transportability and the kind of the dopant, but usually, the amount of the dopant is expressed by a mass ratio with respect to the aniline derivative 1 represented by the formula (1). , 0.0001 to 100.
- an example of a preferable dopant includes an ionic compound.
- an anion represented by the following formula (2a) an anion represented by the following formula (2b), hydroxide ion, fluoride ion, chloride ion, bromide ion, iodide ion, and cyanide.
- E 1 is an element belonging to Group 13 or Group 15 of the long period type periodic table. Of these, boron, gallium, phosphorus and antimony are preferred, and boron is more preferred.
- Ar 1 to Ar 4 are each independently an aromatic hydrocarbon group which may have a substituent or an aromatic heterocyclic group which may have a substituent.
- the aromatic hydrocarbon group and the aromatic heterocyclic group include a monovalent group derived from a 5- or 6-membered monocyclic ring or a 2- to 4-condensed ring.
- monovalent groups derived from benzene, naphthalene, pyridine, pyrazine, pyridazine, pyrimidine, triazine, quinoline, isoquinoline and the like are preferable from the viewpoint of the stability and heat resistance of the compound.
- At least one of Ar 1 to Ar 4 has one or two or more fluorine or chlorine atoms as substituents.
- a hydrogen atom Ar 1 ⁇ Ar 4 is a perfluoroaryl group or a perfluoroalkyl heteroaryl group substituted in all fluorine atoms, substituted with any hydrogen atom of Ar 1 ⁇ Ar 4 fluorine atoms
- a substituted perfluoroaryl group is a substituted perfluoroaryl group.
- Specific examples of the perfluoroaryl group include a pentafluorophenyl group, a heptafluoro-2-naphthyl group, and a tetrafluoro-4-pyridyl group.
- E 2 is an element belonging to Group 15 of the long period type periodic table.
- a phosphorus atom, an arsenic atom, and an antimony atom are preferable, and a phosphorus atom is preferable in terms of stability of the compound, ease of synthesis and purification, and toxicity.
- X a is a fluorine atom, a chlorine atom, a halogen atom such as a bromine atom, but is preferably a fluorine atom or a chlorine atom, and more preferably a fluorine atom, from the viewpoint of stability of the compound, ease of synthesis and purification. Is most preferred.
- a metal ion and an onium ion are preferable.
- the metal ion is preferably a monovalent metal ion, and examples thereof include Li + , Na + , K +, and Ag + , with Ag + being particularly preferred.
- Examples of the onium ion include an iodonium ion, a sulfonium ion, an ammonium ion, and a phosphonium ion.
- an iodonium ion represented by the following formula (2c) is preferable.
- R 101 and R 102 each independently represent an alkyl group having 1 to 12 carbon atoms, an alkenyl group having 2 to 12 carbon atoms, an alkynyl group having 2 to 12 carbon atoms, or an alkyl group having 6 to 20 carbon atoms.
- An aryl group or a heteroaryl group having 2 to 20 carbon atoms in which some or all of the hydrogen atoms of these groups are halogen atoms, cyano groups, nitro groups, alkyl groups having 1 to 12 carbon atoms, It may be substituted with 12 alkenyl groups, alkynyl groups having 2 to 12 carbon atoms, aryl groups having 6 to 20 carbon atoms, or heteroaryl groups having 2 to 20 carbon atoms.
- an ion represented by the following formula (2d) can also be used.
- E 3 is an element belonging to the third and subsequent periods of the periodic table (third to sixth periods), and is an element belonging to Group 16 of the long period type periodic table.
- elements in the fifth period or earlier (third to fifth period) of the periodic table are preferable. That is, as E 3 , a sulfur atom, a selenium atom or a tellurium atom is preferable, and a sulfur atom is more preferable.
- R 103 is an organic group bonded to E 3 by a carbon atom, and R 104 and R 105 are each independently an arbitrary substituent. Two or more adjacent groups among R 103 to R 105 may be bonded to each other to form a ring.
- R 103 is as long as it is an organic group having a carbon atom at a bonding portion between E 3, unless contrary to the spirit of the present invention is not particularly limited.
- the molecular weight of R 103 is usually 1,000 or less, preferably 500 or less.
- Preferred examples of R 103 from the viewpoint that delocalization of positive charge, an alkyl group, an alkenyl group, an alkynyl group, an aromatic hydrocarbon group and aromatic heterocyclic group. Among them, aromatic hydrocarbons and aromatic heterocyclic groups are preferable because they delocalize the positive charge and are thermally stable.
- the aromatic hydrocarbon group is a monovalent group derived from a 5- or 6-membered monocyclic ring or a 2- to 5-condensed ring, and includes a group capable of delocalizing a positive charge on the group. Specific examples thereof include monovalent groups derived from benzene, naphthalene, anthracene, phenanthrene, perylene, tetracene, pyrene, benzpyrene, chrysene, triphenylene, acenaphthene, fluorene and the like.
- a phenyl group and a tolyl group are preferred, and a tolyl group is more preferred.
- the aromatic heterocyclic group is a monovalent group derived from a 5- or 6-membered monocyclic ring or a 2 to 4 condensed ring, and includes a group capable of delocalizing a positive charge on the group.
- Specific examples thereof include furan, benzofuran, thiophene, benzothiophene, pyrrole, pyrazole, triazole, imidazole, oxadiazole, indole, carbazole, pyrroleimidazole, pyrrolopyrazole, pyrrolopyrrole, thienopyrrole, thienothiophene, flopyrrole, furofuran, thienofuran Monovalent derived from benzoisoxazole, benzoisothiazole, benzimidazole, pyridine, pyrazine, pyridazine, pyrimidine, triazine, quinoline, isoquinoline, sinoline, quinoxaline, phen
- the alkyl group may be linear, branched or cyclic, and usually has 1 or more carbon atoms, and usually has 12 or less, preferably 6 or less. Specific examples thereof include a methyl group, an ethyl group, an n-propyl group, a 2-propyl group, an n-butyl group, an isobutyl group, a t-butyl group, a cyclohexyl group, and the like.
- the alkenyl group generally has 2 or more carbon atoms, and usually has 12 or less, preferably 6 or less. Specific examples thereof include a vinyl group, an allyl group, and a 1-butenyl group.
- the alkynyl group usually has 2 or more carbon atoms, and usually has 12 or less, preferably 6 or less. Specific examples include an ethynyl group and a propargyl group.
- R 104 and R 105 are not particularly limited as long as they do not depart from the gist of the present invention.
- the molecular weight of R 104 and R 105 is usually 1,000 or less, preferably 500 or less.
- Examples of R 104 and R 105 include an alkyl group, an alkenyl group, an alkynyl group, an aromatic hydrocarbon group, an aromatic heterocyclic group, an organoamino group, an alkoxy group, an aryloxy group, an acyl group, an alkoxycarbonyl group, and an aryl group.
- Examples include oxycarbonyl, alkylcarbonyloxy, alkylthio, arylthio, alkylsulfonyl, arylsulfonyl, alkylsulfonyloxy, arylsulfonyloxy, cyano, hydroxy, thiol, and organosilyl groups.
- an organic group is preferable to have a carbon atom at a bonding portion between E 3, for example, an alkyl group, an alkenyl group, an alkynyl group, an aromatic hydrocarbon group and an aromatic Heterocyclic groups are preferred.
- an aromatic hydrocarbon group or an aromatic heterocyclic group is preferable because of high electron accepting property and thermal stability.
- alkyl group, the alkenyl group, alkynyl group, aromatic hydrocarbon group and aromatic heterocyclic group include the same as those described in the description of R 103.
- the organoamino group examples include an amino group substituted with an organic group such as an alkyl group, an aryl group, a heteroaryl group, an aralkyl group, and an acyl group.
- the amino group substituted with the alkyl group examples include an amino group having one or more alkyl groups having usually 1 or more, usually 12 or less, preferably 6 or less. Specific examples include a methylamino group, a dimethylamino group, and a diethylamino group.
- the amino group substituted with the aryl group or the heteroaryl group has usually 3 or more, preferably 4 or more, and usually 25 or less, preferably 15 or less, an aromatic hydrocarbon group or an aromatic heterocyclic group. And an amino group having at least one. Specific examples thereof include a phenylamino group, a diphenylamino group, a tolylamino group, a pyridylamino group, and a thienylamino group.
- the amino group substituted with the aralkyl group includes an amino group having at least one aralkyl group having usually 7 or more, usually 25 or less, preferably 15 or less carbon atoms. Specific examples thereof include a benzylamino group and a dibenzylamino group.
- Examples of the amino group substituted with the acyl group include an acylamino group having one or more acyl groups having usually 2 or more carbon atoms and usually 25 or less, preferably 15 or less. Specific examples thereof include an acetylamino group and a benzoylamino group.
- alkoxy group an alkoxy group having usually 1 or more carbon atoms and usually 12 or less, preferably 6 or less is exemplified. Specific examples thereof include a methoxy group, an ethoxy group and a butoxy group.
- aryloxy group examples include an aryloxy group having an aromatic hydrocarbon group or an aromatic heterocyclic group having usually 3 or more, preferably 4 or more, and usually 25 or less, and preferably 15 or less.
- aryloxy group examples include a phenyloxy group, a naphthyloxy group, a pyridyloxy group, and a thienyloxy group.
- an acyl group having usually 1 or more carbon atoms and usually 25 or less, preferably 15 or less is exemplified. Specific examples include a formyl group, an acetyl group and a benzoyl group.
- alkoxycarbonyl group an alkoxycarbonyl group having usually 2 or more carbon atoms and usually 10 or less, preferably 7 or less is exemplified. Specific examples thereof include a methoxycarbonyl group and an ethoxycarbonyl group.
- alkylcarbonyloxy group an alkylcarbonyloxy group having usually 2 or more carbon atoms and usually 10 or less, preferably 7 or less is exemplified. Specific examples thereof include an acetoxy group and a trifluoroacetoxy group.
- alkylthio group an alkylthio group having usually 1 or more carbon atoms and usually 12 or less, preferably 6 or less is mentioned. Specific examples thereof include a methylthio group and an ethylthio group.
- arylthio group an arylthio group having usually 3 or more, preferably 4 or more, usually 25 or less, preferably 14 or less carbon atoms is exemplified. Specific examples thereof include a phenylthio group, a naphthylthio group, and a pyridylthio group.
- alkylsulfonyl group and the arylsulfonyl group include a mesyl group and a tosyl group.
- alkylsulfonyloxy group and the arylsulfonyloxy group include a mesyloxy group and a tosyloxy group.
- organosilyl group examples include a trimethylsilyl group and a triphenylsilyl group.
- the groups exemplified as R 103 , R 104 and R 105 may be further substituted with other substituents as long as they do not depart from the gist of the present invention.
- the type of the substituent is not particularly limited, and examples thereof include a halogen atom, a cyano group, a thiocyano group, and a nitro group, in addition to the groups exemplified as R 103 , R 104, and R 105 .
- an alkyl group an alkenyl group, an alkynyl group, an alkoxy group, an aryloxy group, an aromatic hydrocarbon group or an aromatic heterocyclic group is preferred. Ring groups are preferred.
- ionic compounds represented by the following formulas (2-1) to (2-4) can be preferably used.
- an onium borate salt comprising a monovalent or divalent anion represented by the formula (3a) and a counter cation represented by any of the formulas (4a) to (4e) (however, an electrically neutral salt) Is also suitably used.
- Ar 11 to Ar 16 are each independently an aryl group which may have a substituent or a heteroaryl group which may have a substituent.
- L is an alkylene group, -NH-, an oxygen atom, a sulfur atom or -CN + -.
- Examples of the aryl group include an aryl group having 6 to 20 carbon atoms. Specific examples thereof are the same as those exemplified in the description of R 1 to R 21 , but a phenyl group, a tolyl group and a naphthyl group are preferred.
- Examples of the heteroaryl group include a heteroaryl group having 2 to 20 carbon atoms. Specific examples thereof are the same as those exemplified in the description of R 1 to R 21 .
- substituents examples include a halogen atom, a nitro group, a cyano group, an alkyl group having 1 to 20 carbon atoms, an alkenyl group having 2 to 20 carbon atoms, and an alkynyl group having 2 to 20 carbon atoms.
- alkyl group examples include the same as those exemplified in the description of R 1 to R 21 , but are preferably an alkyl group having 1 to 18 carbon atoms, and more preferably an alkyl group having 1 to 8 carbon atoms.
- Specific examples of the halogen atom, alkenyl group and alkynyl group include the same as those exemplified in the description of R 1 to R 21 .
- the aryl group and the heteroaryl group preferably have one or more electron-withdrawing groups as substituents.
- the electron-withdrawing group include a halogen atom, a nitro group, a cyano group, and the like.
- a halogen atom is preferable, and a fluorine atom is particularly preferable.
- L is an alkylene group, —NH—, an oxygen atom, a sulfur atom or —CN + —, preferably —CN + —.
- the alkylene group may be linear, branched or cyclic, and includes an alkylene group having 1 to 20 carbon atoms, preferably 1 to 10 carbon atoms. Specific examples thereof include a methylene group, a methylmethylene group, a dimethylmethylene group, an ethylene group, a trimethylene group, a propylene group, a tetramethylene group, a pentamethylene group, and a hexamethylene group.
- the anion represented by the formula (3a) that can be suitably used in the present invention includes, but is not limited to, an anion represented by the formula (3b).
- the onium borate salt may be used alone or in combination of two or more. If necessary, other known onium borate salts may be used in combination.
- the onium borate salt can be synthesized with reference to a known method described in, for example, JP-A-2005-314682.
- the onium borate salt may be dissolved in an organic solvent before preparing the composition in order to facilitate dissolution in the charge transporting composition.
- organic solvent include carbonates such as propylene carbonate, ethylene carbonate, 1,2-butylene carbonate, dimethyl carbonate, and diethyl carbonate; ketones such as acetone, methyl ethyl ketone, cyclohexanone, methyl isoamyl ketone, and 2-heptanone; Glycol, ethylene glycol monoacetate, diethylene glycol, diethylene glycol monoacetate, propylene glycol, propylene glycol monoacetate, dipropylene glycol, monomethyl ether of dipropylene glycol monoacetate, monoethyl ether, monopropyl ether, monobutyl ether or monophenyl ether, etc.
- the content thereof may be about 0.01 to 20 by mass ratio of the charge-transporting substance (aniline derivative of the present invention): onium borate salt.
- an amount of about 1: 0.01 to about 10 is more preferable, an amount of about 1: 0.01 to about 2 is more preferable, and an amount of about 1: 0.1 to about 2 is more preferable. preferable.
- the charge transporting substance and the dopant are preferably completely dissolved in the solvent or are in a state of being uniformly dispersed, and are preferably completely dissolved. Optimal.
- the charge transporting composition is an organic silane compound or the like for the purpose of improving the injection property into the hole transporting layer when the obtained thin film is used as a hole injecting layer of an organic EL device, and improving the life characteristics of the device.
- a nonionic fluorinated surfactant may be contained, and its content is usually about 1 to 30 parts by mass based on 100 parts by mass of the total of the charge transporting substance and the dopant.
- the solid content concentration in the charge transporting composition is usually about 0.1 to 20% by mass, preferably 0.5 to 15%, from the viewpoint of securing a sufficient film thickness while suppressing the deposition of the charge transporting substance. % By mass.
- the viscosity of the charge transporting composition is usually 1 to 50 mPa ⁇ s at 25 ° C., and the surface tension is usually 20 to 50 mN / m at 25 ° C.
- the viscosity and surface tension of the charge transporting composition are adjusted by changing the type of the organic solvent used, their ratio, the solid content, and the like, in consideration of various factors such as a coating method to be used and a desired film thickness. It is possible.
- the charge transporting composition can be produced by dissolving the aniline derivative of the present invention in an organic solvent.
- the aniline derivative of the present invention may be dissolved in an organic solvent in advance, and other organic solvents may be sequentially added thereto, or a mixed solvent of all the solvents used may be prepared in advance, and the aniline derivative of the present invention may be dissolved therein. .
- the components contained in the composition may be heated so as to promote the dissolution of the aniline derivative or the like of the present invention by taking care not to decompose or deteriorate the components.
- the charge transporting composition contains components other than the aniline derivative of the present invention and a solvent.
- the charge transporting composition is dissolved in an organic solvent, and then filtered using a submicrometer-order filter or the like. Is also good.
- a charge transporting thin film can be formed on a substrate by applying the above-described charge transporting composition on a substrate and firing it.
- the method of applying the composition is not particularly limited, and examples thereof include a dipping method, a spin coating method, a transfer printing method, a roll coating method, an ink jet method, a spray method, and a slit coating method. It is preferable to adjust the viscosity and surface tension of the composition according to the application method.
- the firing atmosphere is not particularly limited, and a uniform thin film surface and a thin film having a charge transporting property can be obtained not only in an air atmosphere (under air) but also in an inert gas such as nitrogen or in a vacuum. Bake in an atmosphere.
- firing conditions are not particularly limited. For example, heating and firing are performed using a hot plate.
- the firing temperature is appropriately determined within the range of 100 to 260 ° C.
- the firing time is appropriately determined within the range of 1 minute to 1 hour in consideration of the desired charge transporting property.
- multi-stage firing may be performed at two or more different temperatures.
- the thickness of the charge transporting thin film is not particularly limited, but is preferably 5 to 300 nm when used as a functional layer of an organic EL device.
- a method of changing the film thickness for example, there is a method of changing a solid concentration in the charge transporting composition or a method of changing a liquid amount at the time of application.
- the charge transporting thin film can be suitably used as a functional layer of an organic EL device.
- the organic EL device has a pair of electrodes, and has the charge transporting thin film between these electrodes.
- an electron block layer or the like may be provided between the light emitting layer and the anode, and a hole (hole) block layer or the like may be provided between the light emitting layer and the cathode as necessary.
- the hole injection layer, the hole transport layer, or the hole injection / transport layer may also have a function as an electron blocking layer or the like, and the electron injection layer, the electron transport layer, or the electron injection / transport layer may be a hole (hole). It may have a function as a block layer or the like.
- an optional functional layer can be provided between the layers as needed.
- A anode / hole injection layer / hole transport layer / emission layer / electron transport layer / electron injection layer / cathode
- b anode / hole injection layer / hole transport layer / emission layer / electron injection transport layer / Cathode
- c anode / hole injection / transport layer / emission layer / electron transport layer / electron injection layer / cathode
- d anode / hole injection / transport layer / emission layer / electron injection / transport layer / cathode
- e anode / positive Hole injection layer / hole transport layer / emission layer / cathode
- f anode / hole injection / transport layer / emission layer / cathode
- “Hole injection layer”, “hole transport layer” and “hole injection transport layer” are layers formed between the light emitting layer and the anode, and transport holes from the anode to the light emitting layer. It has a function. When only one layer of the hole transporting material is provided between the light emitting layer and the anode, it is a “hole injection / transport layer”, and the layer of the hole transporting material is provided between the light emitting layer and the anode. Is provided, two or more layers are a "hole injection layer” and a layer near the anode is a "hole transport layer".
- the hole injection (transport) layer a thin film that is excellent in not only the property of accepting holes from the anode but also the property of injecting holes into the hole transport (emission) layer is used.
- Electrode layer is layers formed between the light emitting layer and the cathode, and have a function of transporting electrons from the cathode to the light emitting layer. It is. When only one layer of the electron transporting material is provided between the light emitting layer and the cathode, it is an “electron injection and transport layer”, and two layers of the electron transporting material are provided between the light emitting layer and the cathode. When provided as described above, the layer close to the cathode is an “electron injection layer”, and the other layers are “electron transport layers”.
- the “light-emitting layer” is an organic layer having a light-emitting function, and includes a host material and a dopant material when a doping system is employed.
- the host material mainly has a function of promoting recombination of electrons and holes and confining excitons in the light-emitting layer, and the dopant material efficiently emits excitons obtained by the recombination.
- a host material has a function of mainly confining excitons generated by a dopant in a light-emitting layer.
- the charge transporting thin film is suitable as a functional layer provided between an anode and a light emitting layer, and is more suitable as a hole injection layer, a hole transport layer, and a hole injection transport layer. It is even more suitable as a hole injection layer.
- ⁇ Circle around (2) ⁇ The following are examples of the materials used for producing an organic EL device using the charge transporting composition and the production method thereof, but are not limited thereto.
- An example of a method for producing an OLED device having a hole transport layer comprising a thin film obtained from the charge transporting composition is as follows.
- the electrode is preferably subjected to cleaning with alcohol, pure water, or the like, or surface treatment such as UV ozone treatment or oxygen-plasma treatment in advance within a range that does not adversely affect the electrode.
- a hole injection layer composed of the charge transporting thin film is formed on the anode substrate by the method described above. This is introduced into a vacuum evaporation apparatus, and a hole transport layer, a light emitting layer, an electron transport layer, an electron transport layer / hole block layer, and a cathode metal are sequentially deposited.
- a composition for forming a hole transporting layer containing a hole transporting polymer and a composition for forming a light emitting layer containing a light emitting polymer are used to form these layers by a wet process. Note that, if necessary, an electron block layer may be provided between the light emitting layer and the hole transport layer.
- anode material examples include a transparent electrode typified by indium tin oxide (ITO) and indium zinc oxide (IZO), and a metal anode composed of a metal typified by aluminum, an alloy thereof, and the like. It is preferable that the material has been subjected to a chemical treatment. A polythiophene derivative or a polyaniline derivative having a high charge transporting property can also be used.
- the other metal constituting the metal anode includes, but is not limited to, gold, silver, copper, indium and alloys thereof.
- Examples of the material for forming the light emitting layer include aluminum complexes of 8-hydroxyquinoline such as tris (8-quinolinolato) aluminum (III) (Alq 3 ) and bis (8-quinolinolato) zinc (II), and metal complexes such as zinc complex.
- 8-hydroxyquinoline such as tris (8-quinolinolato) aluminum (III) (Alq 3 ) and bis (8-quinolinolato) zinc (II)
- metal complexes such as zinc complex.
- Low molecular light emitting materials such as metal complexes of 10,10-hydroxybenzo [h] quinoline, bisstyrylbenzene derivatives, bisstyrylarylene derivatives, metal complexes of (2-hydroxyphenyl) benzothiazole, and silole derivatives; poly (p-phenylenevinylene) ), Poly [2-methoxy-5- (2-ethylhexyloxy) -1,4-phenylenevinylene], poly (3-alkylthiophene), polyvinylcarbazole, and other high molecular compounds mixed with a light emitting material and an electron transfer material And the like, but are not limited thereto.
- the light emitting layer When the light emitting layer is formed by vapor deposition, the light emitting layer may be co-deposited with a light emitting dopant.
- the light emitting dopant may be a metal complex such as tris (2-phenylpyridine) iridium (III) (Ir (PPy) 3 ). And naphthacene derivatives such as rubrene, quinacridone derivatives, condensed polycyclic aromatic rings such as perylene, and the like, but are not limited thereto.
- Materials for forming the electron transport layer / hole block layer include, but are not limited to, oxydiazole derivatives, triazole derivatives, phenanthroline derivatives, phenylquinoxaline derivatives, benzimidazole derivatives, and pyrimidine derivatives.
- Materials for forming the electron injection layer include metal oxides such as lithium oxide (Li 2 O), magnesium oxide (MgO), and alumina (Al 2 O 3 ), lithium fluoride (LiF), and sodium fluoride (NaF). But not limited thereto.
- cathode material examples include, but are not limited to, aluminum, magnesium-silver alloy, aluminum-lithium alloy and the like.
- a material for forming the electron blocking layer includes, but is not limited to, tris (phenylpyrazole) iridium and the like.
- the luminescent polymer examples include polyfluorene derivatives such as poly (9,9-dialkylfluorene) (PDAF), poly (2-methoxy-5- (2′-ethylhexoxy) -1,4-phenylenevinylene) (MEH- Polyphenylene vinylene derivatives such as PPV); polythiophene derivatives such as poly (3-alkylthiophene) (PAT); and polyvinyl carbazole (PVCz).
- polyfluorene derivatives such as poly (9,9-dialkylfluorene) (PDAF), poly (2-methoxy-5- (2′-ethylhexoxy) -1,4-phenylenevinylene) (MEH- Polyphenylene vinylene derivatives such as PPV)
- polythiophene derivatives such as poly (3-alkylthiophene) (PAT); and polyvinyl carbazole (PVCz).
- the materials constituting the anode, the cathode, and the layers formed between them differ depending on whether an element having a bottom emission structure or a top emission structure is manufactured. Therefore, the material is appropriately selected in consideration of this point.
- a transparent anode is used on the substrate side, and light is extracted from the substrate side, whereas in a top emission structure element, a reflective anode made of metal is used, and in a direction opposite to the substrate. Since light is extracted from a certain transparent electrode (cathode) side, regarding the anode material, a transparent anode such as ITO is used when manufacturing a device having a bottom emission structure, and Al / is used when manufacturing a device having a top emission structure. A reflective anode such as Nd is used.
- the organic EL device of the present invention may be sealed together with a water catching agent, if necessary, according to a standard method, in order to prevent deterioration in characteristics.
- the aniline derivative of the present invention has sublimability, and can be used to easily form a deposited film. Therefore, depending on the application, instead of the charge transporting thin film obtained from the charge transporting composition, a charge transporting thin film obtained by a vapor deposition method using the aniline derivative of the present invention may be used.
- LDI-MS Bruker AutoFlex
- 1 H-NMR JNM-ECP300 FT NMR SYSTEM manufactured by JEOL Ltd.
- Substrate cleaning Choshu Sangyo Co., Ltd. substrate cleaning system (reduced pressure plasma method)
- Application of the composition Spin coater MS-A100 manufactured by Mikasa Corporation
- Film thickness measurement Surfcorder ET-4000, a fine shape measuring instrument manufactured by Kosaka Laboratory Co., Ltd.
- Fabrication of element Choshu Sangyo Co., Ltd. multifunctional vapor deposition system
- C-E2L1G1-N Measurement of element current density, etc .: Multi-channel IVL measurement device manufactured by EC Corporation
- the organic solvent was distilled off from the collected organic layer under reduced pressure at 40 to 45 ° C., and the obtained residue was dried under reduced pressure for 20 hours to obtain 24 g of onium borate salt P.
- the obtained target product was identified by 1 H-NMR and LDI-MS.
- 1 H-NMR 300MHz, DMSO-D6): ⁇ 7.40-7.80 (19H, m)
- LDI-MS m / Z found: 371.04 ([M] + calcd: 371.09).
- ⁇ -NPD N, N′-di (1-naphthyl) -N, N′-diphenyl
- a vapor deposition apparatus degree of vacuum: 1.0 ⁇ 10 ⁇ 5 Pa
- (Benzidine) was deposited at a thickness of 0.2 nm / sec.
- 10 nm of an electron block material HTEB-01 manufactured by Kanto Chemical Co., Ltd. was formed.
- a light-emitting layer host material NS60 and a light-emitting layer dopant material Ir (PPy) 3 manufactured by Nippon Steel & Sumikin Chemical Co., Ltd. were co-evaporated.
- the deposition rate was controlled so that the concentration of Ir (PPy) 3 became 6%, and the layers were laminated to a thickness of 40 nm.
- a thin film of Alq 3 , lithium fluoride and aluminum was sequentially laminated to obtain an organic EL device.
- the deposition rates were 0.2 nm / sec for Alq 3 and aluminum, and 0.02 nm / sec for lithium fluoride, and the film thicknesses were 20 nm, 0.5 nm and 80 nm, respectively.
- the characteristics were evaluated after sealing the organic EL element with a sealing substrate.
- the organic EL device is housed between sealing substrates in a nitrogen atmosphere having an oxygen concentration of 2 ppm or less and a dew point of -76 ° C. or less, and the sealing substrates are bonded with an adhesive (Moresco Moisture Cut Wb90US (P) manufactured by MORESCO, Inc.). Stuck together.
- a water catching agent (HD-071010W-40 manufactured by Dynic Corporation) was housed in the sealing substrate together with the organic EL element.
- the bonded sealing substrate was irradiated with UV light (wavelength: 365 nm, irradiation amount: 6,000 mJ / cm 2 ), and then annealed at 80 ° C. for 1 hour to cure the adhesive.
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Abstract
Description
1.下記式(1)で表されるアニリン誘導体。
Z1は、ハロゲン原子、ニトロ基、シアノ基、Z3で置換されていてもよい炭素数6~20のアリール基又はZ3で置換されていてもよい炭素数2~20のヘテロアリール基であり、
Z2は、ハロゲン原子、ニトロ基、シアノ基、Z3で置換されていてもよい炭素数1~20のアルキル基、Z3で置換されていてもよい炭素数2~20のアルケニル基又はZ3で置換されていてもよい炭素数2~20のアルキニル基であり、
Z3は、ハロゲン原子、ニトロ基又はシアノ基である。)]
2.Arが、全て同じ基である1のアニリン誘導体。
3.Arが、式(Ar1)~(Ar5)のいずれかで表される基である2のアニリン誘導体。
4.Arが、式(Ar1)で表される基である3のアニリン誘導体。
5.触媒の存在下、パラフェニレンジアミンと下記式(N1)で表されるカルバゾール誘導体とを反応させる、1のアニリン誘導体の製造方法。
(a)陽極/正孔注入層/正孔輸送層/発光層/電子輸送層/電子注入層/陰極
(b)陽極/正孔注入層/正孔輸送層/発光層/電子注入輸送層/陰極
(c)陽極/正孔注入輸送層/発光層/電子輸送層/電子注入層/陰極
(d)陽極/正孔注入輸送層/発光層/電子注入輸送層/陰極
(e)陽極/正孔注入層/正孔輸送層/発光層/陰極
(f)陽極/正孔注入輸送層/発光層/陰極
(1)LDI-MS:Bruker社製AutoFlex
(2)1H-NMR:日本電子(株)製JNM-ECP300 FT NMR SYSTEM
(3)基板洗浄:長州産業(株)製基板洗浄装置(減圧プラズマ方式)
(4)組成物の塗布:ミカサ(株)製スピンコーターMS-A100
(5)膜厚測定:(株)小坂研究所製微細形状測定機サーフコーダET-4000
(6)素子の作製:長州産業(株)製多機能蒸着装置システムC-E2L1G1-N
(7)素子の電流密度等の測定:(株)イーエッチシー製多チャンネルIVL測定装置
得られた濃縮液を、メタノールと酢酸エチルの混合溶媒に滴下し、暫くの間、攪拌した。得られたスラリー溶液をろ過し、得られたろ物を乾燥して、目的とするアニリン誘導体Aを2.96g(収率:59%)得た。得られた目的物は、1H-NMRで同定した。
1H-NMR(500MHz, DMSO-d6) δ[ppm]: 8.09-8.15(m, 8H), 7.54-7.57(m, 8H), 7.43-7.47(m, 12H), 7.33-7.37(m, 4H), 7.24-7.30(m, 8H), 7.05(m, 8H), 6.92-6.94(m, 4H).
LDI-MS m/Z found: 1050.12 ([M]- calcd: 1049.97).
1H-NMR (300MHz, DMSO-D6): δ 7.40-7.80 (19H, m)
LDI-MS m/Z found: 371.04 ([M]+ calcd: 371.09).
LDI-MS m/Z found:1050.11 ([M]- calcd: 1049.97).
[参考例1]
アニリン誘導体A113mg及びオニウムボレート塩P150mgの混合物に、キシレン5.0gを加えて室温で攪拌して溶解させて得られた溶液を、孔径0.2μmのシリンジフィルターでろ過し、電荷輸送性組成物を得た。
[参考例2]
参考例1で得られた電荷輸送性組成物を、スピンコーターを用いてITO基板に塗布した後、大気雰囲気下、120℃で1分間乾燥した。次に、乾燥させたITO基板をグローブボックス内に挿入し、大気雰囲気下、150℃で10分間焼成し、ITO基板上に50nmの薄膜を形成した。ITO基板としては、インジウム錫酸化物(ITO)が表面上に膜厚150nmでパターニングされた25mm×25mm×0.7tのガラス基板を用い、使用前にO2プラズマ洗浄装置(150W、30秒間)によって表面上の不純物を除去した。
次いで、薄膜を形成したITO基板に対し、蒸着装置(真空度1.0×10-5Pa)を用いてα-NPD(N,N'-ジ(1-ナフチル)-N,N'-ジフェニルベンジジン)を0.2nm/秒にて120nm成膜した。次に、関東化学(株)製の電子ブロック材料HTEB-01を10nm成膜した。次いで、新日鉄住金化学(株)製の発光層ホスト材料NS60及び発光層ドーパント材料Ir(PPy)3を共蒸着した。共蒸着は、Ir(PPy)3の濃度が6%になるように蒸着レートをコントロールし、40nm積層させた。次いで、Alq3、フッ化リチウム及びアルミニウムの薄膜を順次積層して有機EL素子を得た。この際、蒸着レートは、Alq3及びアルミニウムについては0.2nm/秒、フッ化リチウムについては0.02nm/秒の条件でそれぞれ行い、膜厚は、それぞれ20nm、0.5nm及び80nmとした。
なお、空気中の酸素、水等の影響による特性劣化を防止するため、有機EL素子は封止基板により封止した後、その特性を評価した。封止は、以下の手順で行った。酸素濃度2ppm以下、露点-76℃以下の窒素雰囲気中で、有機EL素子を封止基板の間に収め、封止基板を接着剤((株)MORESCO製モレスコモイスチャーカットWb90US(P))により貼り合わせた。この際、捕水剤(ダイニック(株)製HD-071010W-40)を有機EL素子と共に封止基板内に収めた。貼り合わせた封止基板に対し、UV光を照射(波長:365nm、照射量:6,000mJ/cm2)した後、80℃で1時間、アニーリング処理して接着剤を硬化させた。
Claims (5)
- 下記式(1)で表されるアニリン誘導体。
Z1は、ハロゲン原子、ニトロ基、シアノ基、Z3で置換されていてもよい炭素数6~20のアリール基又はZ3で置換されていてもよい炭素数2~20のヘテロアリール基であり、
Z2は、ハロゲン原子、ニトロ基、シアノ基、Z3で置換されていてもよい炭素数1~20のアルキル基、Z3で置換されていてもよい炭素数2~20のアルケニル基又はZ3で置換されていてもよい炭素数2~20のアルキニル基であり、
Z3は、ハロゲン原子、ニトロ基又はシアノ基である。)] - Arが、全て同じ基である請求項1記載のアニリン誘導体。
- Arが、式(Ar1)~(Ar5)のいずれかで表される基である請求項2記載のアニリン誘導体。
- Arが、式(Ar1)で表される基である請求項3記載のアニリン誘導体。
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WO2008129947A1 (ja) | 2007-04-12 | 2008-10-30 | Nissan Chemical Industries, Ltd. | オリゴアニリン化合物 |
TWI527796B (zh) * | 2009-10-20 | 2016-04-01 | 東曹股份有限公司 | 咔唑化合物及其用途 |
KR101181267B1 (ko) * | 2010-04-06 | 2012-09-10 | 덕산하이메탈(주) | 나프틸카바졸유도체를 포함하는 화합물 및 이를 이용한 유기전기소자, 그 단말 |
WO2015050253A1 (ja) | 2013-10-04 | 2015-04-09 | 日産化学工業株式会社 | アニリン誘導体およびその利用 |
JP6443588B2 (ja) | 2016-06-16 | 2018-12-26 | 日産化学株式会社 | スルホン酸エステル化合物及びその利用 |
-
2019
- 2019-08-01 CN CN201980050346.3A patent/CN112513013A/zh active Pending
- 2019-08-01 WO PCT/JP2019/030225 patent/WO2020027264A1/ja active Application Filing
- 2019-08-01 JP JP2020534742A patent/JPWO2020027264A1/ja active Pending
- 2019-08-01 KR KR1020217005354A patent/KR20210039404A/ko active Search and Examination
- 2019-08-02 TW TW108127463A patent/TW202035368A/zh unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011088836A (ja) * | 2009-10-20 | 2011-05-06 | Tosoh Corp | カルバゾール化合物及びその用途 |
WO2015137395A1 (ja) * | 2014-03-14 | 2015-09-17 | 日産化学工業株式会社 | アニリン誘導体およびその利用 |
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