WO2014156773A1 - 芳香族複素環化合物、その製造方法、有機半導体材料及び有機半導体デバイス - Google Patents
芳香族複素環化合物、その製造方法、有機半導体材料及び有機半導体デバイス Download PDFInfo
- Publication number
- WO2014156773A1 WO2014156773A1 PCT/JP2014/057166 JP2014057166W WO2014156773A1 WO 2014156773 A1 WO2014156773 A1 WO 2014156773A1 JP 2014057166 W JP2014057166 W JP 2014057166W WO 2014156773 A1 WO2014156773 A1 WO 2014156773A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- group
- substituted
- organic semiconductor
- aromatic heterocyclic
- general formula
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 0 *c(cc1*2)c(*)cc1-c1c2c2ccc(c(cc(*)c(*)c3)c3[s]3)c3c2cc1 Chemical compound *c(cc1*2)c(*)cc1-c1c2c2ccc(c(cc(*)c(*)c3)c3[s]3)c3c2cc1 0.000 description 3
- YUECVXLIHCROMB-UHFFFAOYSA-N C(Cc1c2[o]c(cccc3)c3c2ccc1-1)c2c-1[s]c1ccccc21 Chemical compound C(Cc1c2[o]c(cccc3)c3c2ccc1-1)c2c-1[s]c1ccccc21 YUECVXLIHCROMB-UHFFFAOYSA-N 0.000 description 1
- ZTIJZZITMUFRGW-UHFFFAOYSA-N S=C(C(CC1)c2ccccc2Br)c(cc2)c1c1c2c2ccccc2[o]1 Chemical compound S=C(C(CC1)c2ccccc2Br)c(cc2)c1c1c2c2ccccc2[o]1 ZTIJZZITMUFRGW-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/04—Ortho-condensed systems
- C07D491/044—Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring
- C07D491/048—Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring the oxygen-containing ring being five-membered
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
- C07D495/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D495/04—Ortho-condensed systems
-
- 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
- H10K85/40—Organosilicon compounds, e.g. TIPS pentacene
-
- 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
- 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
- H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
-
- 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
- H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
- H10K85/6574—Polycyclic condensed heteroaromatic hydrocarbons comprising only oxygen in the heteroaromatic polycondensed ring system, e.g. cumarine dyes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K10/00—Organic devices specially adapted for rectifying, amplifying, oscillating or switching; Organic capacitors or resistors having potential barriers
- H10K10/40—Organic transistors
- H10K10/46—Field-effect transistors, e.g. organic thin-film transistors [OTFT]
- H10K10/462—Insulated gate field-effect transistors [IGFETs]
- H10K10/484—Insulated gate field-effect transistors [IGFETs] characterised by the channel regions
-
- 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
-
- 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
- H10K30/50—Photovoltaic [PV] devices
-
- 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 aromatic heterocyclic compound, an organic semiconductor material containing the same, an organic semiconductor film obtained using the organic semiconductor material, and an organic semiconductor device such as an organic field effect transistor.
- a high temperature process and a high vacuum process are indispensable for forming a thin film. Since a high-temperature process is required, it is difficult to form a thin film of silicon on a plastic substrate or the like. Therefore, it has been difficult to impart flexibility and weight reduction to a product incorporating a semiconductor element. In addition, since a high vacuum process is required, it is difficult to increase the area and cost of a product incorporating a semiconductor element.
- organic semiconductor devices for example, organic electroluminescence (EL) elements, organic field effect transistor elements, or organic thin film photoelectric conversion elements
- organic semiconductor materials can significantly reduce the manufacturing process temperature as compared with inorganic semiconductor materials, they can be formed on a plastic substrate or the like.
- organic semiconductor having high solubility in a solvent and good film formability a thin film can be formed using a coating method that does not require a vacuum process, for example, an inkjet apparatus. As described above, it is expected to realize an increase in area and cost, which has been difficult in a semiconductor element using silicon which is an inorganic semiconductor material.
- organic semiconductor materials are advantageous in terms of large area, flexibility, weight reduction, cost reduction, and the like compared to inorganic semiconductor materials.
- Applications such as information tags, large-area sensors such as electronic artificial skin sheets and sheet-type scanners, displays such as liquid crystal displays, electronic paper, and organic EL panels are expected.
- Patent Document 1 A hydrocarbon-based acene-type polycyclic aromatic molecule such as pentacene also has a low oxidation stability.
- Non-patent Document 2 Non-patent Document 2
- pentathienoacene fused with a thiophene ring has improved oxidation resistance compared to pentacene, but it was not a practically preferred material because of its low carrier mobility and the need for multi-step synthesis. (Non-patent document 3).
- Non-patent Document 4 a rubrene film formed by solution casting is such a single crystal. The structure is not taken and sufficient mobility is not obtained.
- Non-patent Document 5 Non-patent Document 5
- Patent Document 2 a polycyclic fused ring compound in which two benzofuran skeletons, indole skeletons or benzothiophene skeletons are condensed on a naphthalene ring has been proposed as a material for an organic semiconductor layer of an organic TFT.
- Patent Document 2 Patent Document 3
- the present invention provides an organic semiconductor material having high charge mobility, oxidation stability and solvent solubility, an organic semiconductor element using the same, a novel aromatic heterocyclic compound used therefor, and a method for producing the same. Objective.
- the present inventors have found an aromatic heterocyclic compound suitable as an organic semiconductor material having high charge mobility, oxidation stability, and solvent solubility, and use this for an organic semiconductor material and an organic semiconductor element.
- an organic semiconductor element having high characteristics can be obtained, and reached the present invention.
- the present invention is an aromatic heterocyclic compound represented by the following general formula (1).
- X represents an oxygen atom or N—R, and each R independently represents a hydrogen atom or a monovalent substituent.
- a and c are integers of 1 to 4, and b and d are integers of 1 to 2.
- Preferred embodiments of the aromatic heterocyclic compound represented by the general formula (1) are as follows. 1) At least one of R is a monovalent substituent other than a hydrogen atom. 2) At least one of R is a halogen atom, a hydroxyl group, a substituted or unsubstituted aliphatic hydrocarbon group having 1 to 30 carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 30 carbon atoms, an amino group, or a carbon number of 1 -30 substituted amino group, thiol group, substituted sulfonyl group having 1 to 30 carbon atoms, cyano group, substituted or unsubstituted aromatic hydrocarbon group having 6 to 48 carbon atoms, substituted or unsubstituted carbon atoms having 2 to 48 Aromatic heterocyclic group, substituted or unsubstituted C 8-50 aromatic hydrocarbon substituted alkynyl group, substituted or unsubstituted C 4-50 aromatic heterocyclic substituted alkyn
- the present invention provides a compound in which an aromatic heterocyclic compound represented by the following general formula (7) and a compound represented by the following general formula (8) are reacted to replace X 1 in the general formula (7) with R.
- This is a method for producing an aromatic heterocyclic compound represented by the general formula (1), wherein at least one of R is a monovalent group.
- X is the same as X in the general formula (1).
- X 1 is each independently a reactive group selected from a halogen atom, a hydroxyl group, —B (OH) 2 , a sulfonyl group, trifluoromethanesulfonate, nonafluorobutanesulfonate, fluorosulfonate, tosylate, or a general formula ( 1)
- R represents at least one reactive group other than R; e and g are integers of 1 to 4, and f and h are integers of 1 to 2.
- R is the same as R in the general formula (1), and Y reacts with X 1 in the general formula (7) to leave as X 1 -Y and allow X 1 to be substituted with R. It is.
- the present invention is an organic semiconductor material characterized by containing an aromatic heterocyclic compound represented by the general formula (1). Furthermore, the present invention is an organic semiconductor film formed from this organic semiconductor material. In addition, the present invention is an organic semiconductor film formed by dissolving the organic semiconductor material in an organic solvent and applying and drying the prepared solution. Furthermore, the present invention provides an organic semiconductor device characterized by using this organic semiconductor material, an organic thin film transistor characterized by using this organic semiconductor material for a semiconductor layer, or using this organic semiconductor material for a semiconductor layer. An organic photovoltaic device characterized by the following.
- the aromatic heterocyclic compound of the present invention has a six-ring condensed structure in which one of the naphthalene rings is condensed with benzothiophene and the other ring is condensed with a benzofuran ring or an indole ring as a basic skeleton.
- it By making it asymmetric, it has oxidation stability, high solubility, good film-forming properties, and high charge transfer characteristics. Therefore, it is suitable as an organic semiconductor material, and an organic semiconductor device using the material can exhibit high characteristics.
- it can be applied to organic field effect transistors, organic thin-film solar cells, information tags, large-area sensors such as electronic artificial skin sheets and sheet-type scanners, displays such as liquid crystal displays, electronic paper, and organic EL panels.
- Technical value is great.
- the schematic cross section which showed an example of the organic field effect transistor element is shown.
- the schematic cross section which showed another example of the organic field effect transistor element is shown.
- the schematic cross section which showed another example of the organic field effect transistor element is shown.
- the schematic cross section which showed another example of the organic field effect transistor element is shown.
- the schematic cross section which showed another example of the organic field effect transistor element is shown.
- the schematic cross section which showed another example of the organic field effect transistor element is shown.
- the schematic cross section which showed another example of the organic field effect transistor element is shown.
- 1 shows the NMR spectrum of the compound (1-H).
- the NMR spectrum of an aromatic heterocyclic compound (A101) is shown.
- the NMR spectrum of an aromatic heterocyclic compound (A201) is shown.
- the aromatic heterocyclic compound of the present invention is represented by the general formula (1).
- the aromatic heterocyclic compound represented by the general formula (1) is referred to as an aromatic heterocyclic compound (1).
- X represents an oxygen atom or N—R.
- R independently represents a hydrogen atom or a monovalent substituent.
- a and c are integers of 1 to 4, and b and d are integers of 1 to 2.
- the monovalent substituent means an atom or group other than hydrogen.
- R Adjacent ones of R may be combined to form a ring.
- R is a monovalent substituent, R is a halogen atom, a hydroxyl group, a substituted or unsubstituted aliphatic hydrocarbon group having 1 to 30 carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 30 carbon atoms.
- Amino group substituted amino group having 1 to 30 carbon atoms, thiol group, substituted sulfonyl group having 1 to 30 carbon atoms, cyano group, substituted or unsubstituted aromatic hydrocarbon group having 6 to 48 carbon atoms, substituted or unsubstituted Substituted aromatic heterocyclic group having 2 to 48 carbon atoms, substituted or unsubstituted aromatic hydrocarbon substituted alkynyl group having 8 to 50 carbon atoms, substituted or unsubstituted aromatic heterocyclic substituted alkynyl group having 4 to 50 carbon atoms Substituted or unsubstituted aromatic hydrocarbon substituted alkenyl groups having 8 to 50 carbon atoms, substituted or unsubstituted aromatic heterocyclic substituted alkenyl groups having 4 to 50 carbon atoms, substituted or unsubstituted 5 to 30 carbon atoms Alkylsilylalkynyl group, substituted Is an unsubstitute
- R is a halogen atom
- preferred specific examples include fluorine, bromine, chlorine, or iodine.
- R is an unsubstituted aliphatic hydrocarbon group
- an aliphatic hydrocarbon group having 1 to 30 carbon atoms is preferable, and an aliphatic hydrocarbon group having 1 to 12 carbon atoms is more preferable.
- Specific examples include methyl group, ethyl group, n-propyl group, n-butyl group, n-pentyl group, n-hexyl group, n-octyl group, n-dodecyl group, n-tetradecyl group, n-octadecyl group.
- Linear saturated hydrocarbon groups such as n-docosyl group and n-tetracosyl group, branched saturated hydrocarbons such as isopropyl group, isobutyl group, neopentyl group, 2-ethylhexyl group, 2-hexyloctyl group and 4-decyldodecyl group Group, cyclopentyl group, cyclohexyl group, cyclooctyl group, saturated alicyclic hydrocarbon group such as 4-butylcyclohexyl group, 4-dodecylcyclohexyl group, vinyl group, allyl group, butenyl group, pentenyl group, hexenyl group, octenyl group, Cyclobutenyl group, cyclopentenyl group, cyclohexenyl group, cyclooctenyl group, ethynyl group, Pinyl group, butynyl group, penty
- R is an unsubstituted alkoxy group
- an alkoxy group having 1 to 30 carbon atoms is preferable, and an alkoxy group having 1 to 12 carbon atoms is more preferable.
- Specific examples include methoxy group, ethoxy group, n-propoxy group, i-propoxy group, butoxy group, pentyloxy group, n-hexyloxy group, octyloxy group and the like.
- R is a substituted amino group
- a substituted amino group having 1 to 30 carbon atoms is preferable, and a substituted amino group having 1 to 12 carbon atoms is more preferable.
- the substituted amino group may be secondary or tertiary. Specific examples include alkylamino groups such as methylamino group, dimethylamino group, ethylamino group, diethylamino group, octylamino group, phenylamino group, diphenylamino group, naphthylamino group, phenylnaphthylamino group, pyridylphenylamino group. And aromatic amino groups such as piperidylnaphthylamino group and bipyridylamino group.
- R is a substituted sulfonyl group
- a substituted sulfonyl group having 1 to 30 carbon atoms is preferable, and a substituted sulfonyl group having 1 to 12 carbon atoms is more preferable.
- alkylsulfonyl group such as a methylsulfonyl group, an ethylsulfonyl group, an ethylsulfonyl group, and an octylsulfonyl group
- an aromatic sulfonyl group such as a phenylsulfonyl group, a naphthylsulfonyl group, a pyridylsulfonyl group, and a piperidylsulfonyl group.
- R is an unsubstituted aromatic hydrocarbon group or an aromatic heterocyclic group
- an aromatic hydrocarbon group having 6 to 48 carbon atoms or an aromatic heterocyclic group having 2 to 48 carbon atoms is preferable, and more preferable.
- unsubstituted aromatic hydrocarbon group and aromatic heterocyclic group include benzene, pentalene, indene, naphthalene, azulene, heptalene, octalene, indacene, acenaphthylene, phenalene, phenanthrene, anthracene, tridene, fluoranthene, acephephene.
- hydrogen is removed from benzene, naphthalene, phenanthrene, anthracene, chrysene, furan, thiophene, thienothiophene, dithienothiophene, pyrrole, carbazole, indolocarbazole, or an aromatic compound in which a plurality of these aromatic rings are connected.
- the resulting group is mentioned.
- the aromatic ring is a group generated from a plurality of linked aromatic compounds, the number to be linked is preferably 2 to 10, more preferably 2 to 7, and the linked aromatic rings may be the same. It may be different.
- condensed ring When it is a condensed ring, it is preferably a condensed ring in which 2 to 5 rings are condensed.
- an aromatic ring when it is connected, when it includes a heterocyclic ring, it is included in the aromatic heterocyclic group.
- An aromatic ring is used in the meaning including an aromatic hydrocarbon ring, an aromatic heterocyclic ring, or both. The same applies to aromatic compounds and aromatic groups.
- a group formed by connecting a plurality of aromatic rings is represented by the following formula, for example.
- Ar 1 to Ar 6 represent a substituted or unsubstituted aromatic ring
- Specific examples of the group formed by connecting a plurality of the aromatic rings include, for example, biphenyl, terphenyl, terthiophene, bipyridine, bipyrimidine, phenylnaphthalene, diphenylnaphthalene, phenylphenanthrene, pyridylbenzene, pyridylphenanthrene, bithiophene, Examples thereof include groups generated by removing hydrogen from terthiophene, vidhienothiophene, phenylindolocarbazole and the like.
- R is an unsubstituted aromatic hydrocarbon-substituted alkynyl group or alkenyl group, or an unsubstituted aromatic heterocyclic-substituted alkynyl group or alkenyl group
- an aromatic heterocyclic substituted alkynyl group or alkenyl group having 6 to 50 carbon atoms more preferably an aromatic hydrocarbon-substituted alkenyl group or alkenyl group having 8 to 26 carbon atoms, or an aromatic group having 6 to 26 carbon atoms.
- the aromatic hydrocarbon group or aromatic heterocyclic group substituted with the alkynyl group or alkenyl group is the same as the aromatic hydrocarbon group or aromatic heterocyclic group.
- Specific examples include phenylethenyl, naphthylethenyl, phenylethynyl, naphthylethynyl, thienylethenyl, furanylethenyl, thienylethynyl, furanylethynyl and the like.
- R is an unsubstituted alkylsilylalkynyl group
- an alkylsilylalkynyl group having 5 to 30 carbon atoms is preferable, and an alkylsilylalkynyl group having 5 to 20 carbon atoms is more preferable.
- Specific examples include trimethylsilylethynyl group, triethylsilylethynyl group, triisopropylsilylethynyl group, triisobutylsilylethynyl group and the like.
- R is an unsubstituted alkylsilyl group
- an alkylsilyl group having 3 to 30 carbon atoms is preferable, and an alkylsilyl group having 3 to 20 carbon atoms is more preferable.
- Specific examples include trimethylsilyl group, triethylsilyl group, triisopropylsilyl group, triisobutylsilyl group and the like.
- R is an unsubstituted siloxane group
- a siloxane group having 1 to 30 silicon atoms is preferable, and a siloxane group having 1 to 20 silicon atoms is more preferable.
- Specific examples include disiloxane, trisiloxane, tetrasiloxane, pentamethyldisiloxane, heptamethyltrisiloxane, nonamethyltetrasiloxane, pentaphenyldisiloxane, heptaphenyltrisiloxane, nonaphenyltetrasiloxane and the like.
- silicon is preferably a siloxyalkyl group having 1 to 30 silicon atoms, more preferably a siloxyalkyl group having 1 to 20 silicon atoms.
- the siloxane alkyl group is understood as a group in which the siloxane group is substituted with the linear saturated hydrocarbon group.
- disiloxane ethyl trisiloxane ethyl, tetrasiloxane ethyl, disiloxane butyl, trisiloxane butyl, tetrasiloxane butyl, pentamethyldisiloxane ethyl, heptamethyltrisiloxane ethyl, nonamethyltetrasiloxane ethyl, pentamethyldi Examples thereof include siloxane butyl, heptamethyltrisiloxane butyl, nonamethyltetrasiloxane butyl and the like.
- R is an unsubstituted polysilane group
- a polysilane group having 1 to 30 silicon atoms is preferable, and a polysilane group having 1 to 20 silicon atoms is more preferable.
- Specific examples include silane, disilane, trisilane, tetrasilane, pentamethyldisilane, heptamethyltrisilane, nonamethyltetrasilane, triphenylsilane, pentaphenyldisilane, heptaphenyltrisilane, nonaphenyltetrasilane, and the like.
- R is an aliphatic hydrocarbon group, an alkoxy group, a substituted amino group, a substituted sulfonyl group, an aromatic hydrocarbon group, an aromatic heterocyclic group, an aromatic hydrocarbon substituted alkynyl group, an aromatic heterocyclic substituted alkynyl group, an aromatic carbonized
- it is a hydrogen-substituted alkenyl group, an aromatic heterocyclic-substituted alkenyl group, an alkylsilylalkynyl group, an alkylsilyl group, a siloxane group, a siloxane alkyl group, or a polysilane group, it may further have a substituent.
- the total number of each is 1 to 4, preferably 1 to 2.
- substituents include alkyl groups having 1 to 20 carbon atoms, alkenyl groups having 2 to 20 carbon atoms, alkynyl groups having 2 to 20 carbon atoms, alkoxy groups having 1 to 20 carbon atoms, alkylamino groups having 1 to 20 carbon atoms, Aromatic amino group having 6 to 20 carbon atoms, alkylthio group having 1 to 20 carbon atoms, hydroxyl group, alkoxycarbonyl group having 2 to 10 carbon atoms, alkylsulfonyl group having 1 to 10 carbon atoms, haloalkyl group having 1 to 10 carbon atoms An alkylamide group having 2 to 10 carbon atoms, a trialkylsilyl group having 3 to 20 carbon atoms, a trialkylsilylalkyl group having 4 to 20 carbon atoms, a trialkylsilylalkenyl group having 5
- Specific examples include methyl group, ethyl group, n-propyl group, i-propyl group, n-butyl group, n-pentyl group, n-hexyl group, n-octyl group, n-dodecyl group, n-tetradecyl group.
- Linear saturated hydrocarbon groups such as n-octadecyl group, n-docosyl group and n-tetracosyl group, branched saturation such as isobutyl group, neopentyl group, 2-ethylhexyl group, 2-hexyloctyl group and 4-decyldodecyl group
- Saturated alicyclic hydrocarbon groups such as hydrocarbon group, cyclopentyl group, cyclohexyl group, cyclooctyl group, 4-butylcyclohexyl group, 4-dodecylcyclohexyl group, methoxy group, ethoxy group, n-propoxy group, i-propoxy group, n-hexyloxy group, methylamino group, dimethylamino group, ethylamino group, dimethylamino group, phenylamino group, diphenyl Amino group, methylthio group
- the aromatic heterocyclic compound represented by the general formula (2) is preferably exemplified.
- X and R are the same as X and R in the general formula (1).
- the aromatic heterocyclic compound represented by the general formula (2) is referred to as the aromatic heterocyclic compound (2), but is represented by the aromatic heterocyclic compound (1) because it is included in the aromatic heterocyclic compound (1).
- the present invention also relates to an aromatic heterocyclic compound represented by the following general formula (3).
- X, R, a, b, c and d are the same as those in the general formula (1).
- a preferred embodiment of the aromatic heterocyclic compound represented by the general formula (3) is an aromatic heterocyclic compound represented by the following general formula (4).
- X and R are the same as those in the general formula (3), and at least one of R is a monovalent substituent.
- the present invention also relates to an aromatic heterocyclic compound represented by the following general formula (5).
- X, R, a, b, c and d are the same as those in the general formula (1).
- a preferred embodiment of the aromatic heterocyclic compound represented by the general formula (5) is an aromatic heterocyclic compound represented by the following general formula (6).
- X and R are the same as those in the general formula (5), and at least one of R is a monovalent group.
- the aromatic heterocyclic compound represented by the general formula (3) or (5) is useful as an intermediate for producing the compound represented by the general formula (1) by dehydrogenation reaction.
- the aromatic heterocyclic compound represented by the general formula (4) or (6) is a more preferable compound represented by the general formula (3) or (5), and the compound represented by the general formula (2) is dehydrogenated. It is useful as an intermediate for production.
- the aromatic heterocyclic compounds represented by the general formulas (3) to (6) are referred to as aromatic heterocyclic compounds (3) to (6), respectively.
- the aromatic heterocyclic compound (4) is an aromatic heterocyclic compound ( 3), it may be represented by the aromatic heterocyclic compound (3). Since the aromatic heterocyclic compound (6) is included in the aromatic heterocyclic compound (5), the aromatic heterocyclic compound ( 5) may be represented.
- the same symbols as in general formula (1) have the same meaning as in general formula (1).
- a compound wherein X is N—R can be synthesized, for example, by the method shown in the following reaction formula (A).
- the compound in which X is represented by O can be synthesized, for example, by the method shown in the following reaction formula (B).
- aromatic heterocyclic compound (5) of this invention is compoundable by the method as shown, for example in following Reaction formula (C).
- reaction formula (D) it is represented by the general formula (1) by the dehydrogenation reaction of the aromatic heterocyclic compound (3) or (5) represented by the general formula (3) or (5).
- An aromatic heterocyclic compound (1) can be synthesized.
- aromatic heterocyclic compound represented by the general formula (7) (referred to as aromatic heterocyclic compound (7)) and the compound represented by the general formula (8) are reacted to form an aromatic heterocyclic compound ( 1) can be synthesized.
- X is the same as X in the general formula (1).
- X 1 is each independently a reactive group selected from a halogen atom, a hydroxyl group, —B (OH) 2 , a sulfonyl group, trifluoromethanesulfonate, nonafluorobutanesulfonate, fluorosulfonate, tosylate, or a general formula ( 1)
- R represents at least one reactive group other than R; e and g are integers of 1 to 4, and f and h are integers of 1 to 2.
- R is synonymous with monovalent group of R of formula (1)
- Y is reacted with X 1 of the general formula (7), X 1 leaves as X 1 -Y Is a group that can be substituted with R.
- reaction formula (E) or (F) can be used.
- the aromatic heterocyclic compound represented by the general formula (1) or (2) can be synthesized by a simple cross-coupling reaction or the like.
- cross-coupling reactions include Tamao-Kumada-Corriu reaction, Negishi reaction, Kosugi-Migita-Stille reaction, Suzuki-Miyaura reaction, Hiyama reaction, Sonogashira reaction, Mizoroki-Heck reaction, etc. Then, the target product can be obtained by carrying out the reaction.
- the reaction is carried out by selecting a metal catalyst, a reaction solvent, a base, a reaction temperature, a reaction time, etc. according to each reaction. Then, the target object of desired purity can be obtained by performing post-processing operations, such as extraction, and refinement
- the organic semiconductor material of the present invention contains the aromatic heterocyclic compound (1) of the general formula (1), but preferably contains 50 wt% or more, more preferably 90 wt% or more of this compound. Good to be. It is also preferred that the aromatic heterocyclic compound (1) itself is an organic semiconductor material.
- the component contained in the organic semiconductor material together with the aromatic heterocyclic compound (1) is not particularly limited as long as it does not impair the performance as the organic semiconductor material. Good material.
- the organic semiconductor film of the present invention is formed from the above organic semiconductor material.
- the organic semiconductor material is formed by dissolving the organic semiconductor material in an organic solvent and applying and drying the prepared solution.
- This organic semiconductor film is useful as an organic semiconductor layer in an organic semiconductor device.
- an organic semiconductor device including an organic semiconductor material formed from the organic semiconductor material of the present invention will be described with reference to FIGS. 1 to 4, taking an organic field effect transistor element (OTFT element) as an example.
- OFT element organic field effect transistor element
- FIG. 1, FIG. 2, FIG. 3 and FIG. 4 illustrate embodiments of the OTFT device of the present invention, and all are schematic sectional views showing the structure of the OTFT device.
- the OTFT device shown in FIG. 1 includes a gate electrode 2 on the surface of a substrate 1, an insulating film layer 3 is formed on the gate electrode 2, and a source electrode 5 and a drain electrode 6 are formed on the insulating film layer 3. And an organic semiconductor layer 4 is formed.
- the OTFT device shown in FIG. 2 includes a gate electrode 2 on the surface of a substrate 1, an insulating film layer 3 is formed on the gate electrode 2, and an organic semiconductor layer 4 is formed thereon. On 4, a source electrode 5 and a drain electrode 6 are provided.
- a source electrode 5 and a drain electrode 6 are provided on the surface of a substrate 1, and a gate electrode 2 is formed on the outermost surface via an organic semiconductor layer 4 and an insulating film layer 3.
- the organic semiconductor device according to the present invention is provided with an organic semiconductor layer 4, a source electrode 5, and a drain electrode 6 on the surface of the substrate 1, and the outermost surface through the insulating film layer 3.
- a gate electrode 2 is formed on the substrate.
- a ceramic substrate such as glass, quartz, aluminum oxide, sapphire, silicon nitride, silicon carbide, a semiconductor substrate such as silicon, germanium, gallium silicon, gallium phosphorus, gallium nitrogen, polyethylene terephthalate
- polyesters such as polynaphthalene terephthalate
- resin substrates such as polyethylene, polypropylene, polyvinyl alcohol, ethylene vinyl alcohol copolymer, cyclic polyolefin, polyimide, polyamide, and polystyrene.
- the thickness of the substrate can be from about 10 ⁇ m to about 2 mm, but is preferably about 50 to about 100 ⁇ m, particularly for flexible plastic substrates, and about 0.1 for a rigid substrate such as a glass plate or silicon wafer. It can be 1 to about 2 mm.
- the gate electrode 2 may be a metal thin film, a conductive polymer film, a conductive film made from a conductive ink or paste, or the substrate itself as a gate electrode, such as heavily doped silicon. can do.
- gate electrode materials include aluminum, copper, stainless steel, gold, chromium, n-doped or p-doped silicon, indium tin oxide, conductive polymers such as poly (3,4-polystyrene) doped with polystyrene sulfonic acid. Examples thereof include a conductive ink / paste containing ethylenedioxythiophene), carbon black / graphite, or a colloidal silver dispersed in a polymer binder.
- the gate electrode 2 can be formed by using vacuum deposition, sputtering of a metal or conductive metal oxide, spin coating of a conductive polymer solution or conductive ink, inkjet, spraying, coating, casting, or the like.
- the thickness of the gate electrode 2 is preferably in the range of about 10 nm to 10 ⁇ m, for example.
- the insulating film layer 3 can generally be an inorganic material film or an organic polymer film.
- inorganic materials suitable for the insulating film layer 3 include silicon oxide, silicon nitride, aluminum oxide, barium titanate, and barium zirconium titanate.
- organic compounds suitable for the insulating film layer 3 include polyesters, polycarbonates, poly (vinylphenol), polyimides, polystyrene, poly (methacrylates), poly (acrylates), and epoxy resins.
- an inorganic material may be dispersed in an organic polymer and used as an insulating layer film. The thickness of the insulating film layer varies depending on the dielectric constant of the insulating material used, but is, for example, about 10 nm to 10 ⁇ m.
- Examples of the means for forming the insulating film layer include dry film formation methods such as vacuum deposition, CVD, sputtering, and laser deposition, spin coating, blade coating, screen printing, ink jet printing, and stamping. Examples include a wet film forming method such as a method, which can be used depending on the material.
- the source electrode 5 and the drain electrode 6 can be made of a material that provides low resistance ohmic contact to the organic semiconductor layer 4 described later.
- a preferable material for the source electrode 5 and the drain electrode 6 those exemplified as a preferable material for the gate electrode 2 can be used, and examples thereof include gold, nickel, aluminum, platinum, a conductive polymer, and a conductive ink.
- the thickness of the source electrode 5 and the drain electrode 6 is typically about 40 nm to about 10 ⁇ m, and more preferably about 10 nm to 1 ⁇ m, for example.
- Examples of means for forming the source electrode 5 and the drain electrode 6 include a vacuum deposition method, a sputtering method, a coating method, a thermal transfer method, a printing method, and a sol-gel method. It is preferable to perform patterning as needed during film formation or after film formation.
- a patterning method for example, a photolithography method in which patterning and etching of a photoresist are combined can be used. Also, patterning can be performed using a printing method such as ink jet printing, screen printing, offset printing, soft lithography method such as a micro contact printing method, or a combination of these methods.
- a dry film forming method such as a vacuum deposition method, a CVD method, a sputtering method, or a laser deposition method, or after applying a solution or dispersion on a substrate, a solvent or dispersion medium is used.
- a wet film forming method in which a thin film is formed by removing the film, but it is preferable to use a wet film forming method. Examples of the wet film formation method include spin coating, blade coating, screen printing, ink jet printing, and stamping.
- an insulating film formed on the substrate 1 is prepared by preparing a solution having a concentration of 0.01 wt% to 10 wt% by dissolving the organic semiconductor material of the present invention in an appropriate solvent having solubility.
- the organic semiconductor material solution is dropped on the layer 3 and then treated at 500 to 6000 revolutions per minute for 5 to 120 seconds.
- the solvent is selected depending on the solubility of each organic semiconductor material in each solvent and the film quality after film formation.
- water for example, water, alcohols typified by methanol, aromatic hydrocarbons typified by toluene, hexane And aliphatic hydrocarbons represented by cyclohexane, organic nitro compounds such as nitromethane and nitrobenzene, cyclic ether compounds such as tetrahydrofuran and dioxane, nitrile compounds such as acetonitrile and benzonitrile, ketones such as acetone and methyl ethyl ketone, acetic acid
- a solvent selected from esters such as ethyl, aprotic polar solvents represented by dimethyl sulfoxide, dimethylacetamide, sulfolane, N-methylpyrrolidone, dimethylimidazolidinone, and the like can be used. These solvents can also be used in combination of two or more.
- the organic field effect transistor element using the organic semiconductor material of the present invention can be produced by the method described above.
- the organic semiconductor layer forms a channel region, and the on / off operation is controlled by controlling the current flowing between the source electrode and the drain electrode by the voltage applied to the gate electrode. To do.
- an organic photovoltaic element As another preferred embodiment of the organic semiconductor device obtained from the organic semiconductor material of the present invention, there is an organic photovoltaic element. Specifically, an organic photovoltaic device having a positive electrode, an organic semiconductor layer, and a negative electrode on a substrate, wherein the organic semiconductor layer includes the organic semiconductor material of the present invention described above.
- FIG. 5 is a cross-sectional view showing an example of the structure of a general organic photovoltaic element used in the present invention, where 7 represents a substrate, 8 represents a positive electrode, 9 represents an organic semiconductor layer, and 10 represents a negative electrode.
- FIG. 6 is a cross-sectional view showing an example of a structure in which organic semiconductor layers are stacked, where 9-a is a p-type organic semiconductor layer and 9-b is an n-type organic semiconductor layer.
- the saddle substrate is not particularly limited, and may be a conventionally known configuration, for example. It is preferable to use a glass substrate or a transparent resin film having mechanical and thermal strength and transparency.
- Transparent resin films include polyethylene, ethylene-vinyl acetate copolymer, ethylene-vinyl alcohol copolymer, polypropylene, polystyrene, polymethyl methacrylate, polyvinyl chloride, polyvinyl alcohol, polyvinyl butyral, nylon, polyether ether ketone.
- the electrode material it is preferable to use a conductive material having a high work function for one electrode and a conductive material having a low work function for the other electrode.
- An electrode using a conductive material having a large work function is a positive electrode.
- Conductive materials with a large work function include metals such as gold, platinum, chromium and nickel, transparent metal oxides such as indium and tin, composite metal oxides (indium tin oxide (ITO), indium Zinc oxide (IZO) or the like is preferably used.
- the conductive material used for the positive electrode is preferably an ohmic junction with the organic semiconductor layer.
- a hole transport layer described later it is preferable that the conductive material used for the positive electrode is an ohmic contact with the hole transport layer.
- An electrode using a conductive material having a small work function serves as a negative electrode.
- the conductive material having a small work function alkali metal or alkaline earth metal, specifically, lithium, magnesium, or calcium is used. Tin, silver, and aluminum are also preferably used.
- an electrode made of an alloy made of the above metal or a laminate of the above metal is also preferably used.
- the conductive material used for the negative electrode is preferably one that is in ohmic contact with the organic semiconductor layer.
- an electron transport layer described later it is preferable that the conductive material used for the negative electrode is in ohmic contact with the electron transport layer.
- the organic semiconductor layer contains the aromatic heterocyclic compound (1). That is, it is formed using the organic semiconductor material of the present invention including the aromatic heterocyclic compound represented by the general formula (1).
- the organic semiconductor material of the present invention is used for a p-type organic semiconductor material (hereinafter referred to as a p-type organic material), an n-type organic semiconductor material (hereinafter referred to as an n-type organic material), or both.
- Two or more aromatic heterocyclic compounds (1) can be used, one or more of which can be a p-type organic material component, and the other one or more can be an n-type organic material component.
- One of the p-type organic material and the n-type organic material may be a compound that does not contain the aromatic heterocyclic compound (1).
- the organic semiconductor layer is formed using an organic semiconductor material containing at least one compound represented by the formula (1).
- the compound represented by the formula (1) functions as a p-type organic material or an n-type organic material.
- P-type organic material and n-type organic material These materials are preferably mixed, and the p-type organic material and the n-type organic material are preferably compatible or phase-separated at the molecular level.
- the domain size of this phase separation structure is not particularly limited, but is usually 1 nm or more and 50 nm or less.
- the layer having the p-type organic material is on the positive electrode side and the layer having the n-type organic material is on the negative electrode side.
- the organic semiconductor layer preferably has a thickness of 5 nm to 500 nm, more preferably 30 nm to 300 nm.
- the layer having the p-type organic material of the present invention preferably has a thickness of 1 nm to 400 nm, more preferably 15 nm to 150 nm, out of the above thicknesses.
- an aromatic heterocyclic compound (1) that exhibits p-type semiconductor characteristics may be used alone, or other p-type organic materials may be included.
- examples of other p-type organic materials include polythiophene polymers, benzothiadiazole-thiophene derivatives, benzothiadiazole-thiophene copolymers, poly-p-phenylene vinylene polymers, poly-p-phenylene polymers, Conjugated polymers such as polyfluorene polymers, polypyrrole polymers, polyaniline polymers, polyacetylene polymers, polythienylene vinylene polymers, H2 phthalocyanine (H2Pc), copper phthalocyanine (CuPc), zinc phthalocyanine Phthalocyanine derivatives such as (ZnPc), porphyrin derivatives, N, N′-diphenyl-N, N′-di (3-methylphenyl) -4,4′-diphenyl-1,1′-diamine
- n-type organic material an aromatic heterocyclic compound (1) that exhibits n-type semiconductor characteristics may be used alone, or another n-type organic material may be used.
- Other n-type organic materials include, for example, 1,4,5,8-naphthalenetetracarboxylic dianhydride (NTCDA), 3,4,9,10-perylenetetracarboxylic dianhydride (PTCDA), 3,4, 9,10-perylenetetracarboxylic bisbenzimidazole (PTCBI), N, N′-dioctyl-3,4,9,10-naphthyltetracarboxydiimide (PTCDI-C8H), 2- (4-biphenylyl) -5 Oxazole derivatives such as (4-t-butylphenyl) -1,3,4-oxadiazole (PBD), 2,5-di (1-naphthyl) -1,3,4-oxadiazole (BND), 3- (4-Bi
- a hole transport layer may be provided between the positive electrode and the organic semiconductor layer.
- conductive polymers such as polythiophene polymers, poly-p-phenylene vinylene polymers, polyfluorene polymers, phthalocyanine derivatives (H2Pc, CuPc, ZnPc, etc.), Low molecular organic compounds exhibiting p-type semiconductor properties such as porphyrin derivatives are preferably used.
- PEDOT polyethylenedioxythiophene
- PEDOT polyethylenedioxythiophene
- PEDOT polyethylenedioxythiophene
- PEDOT polyethylenedioxythiophene
- PEDOT polystyrene sulfonate
- the thickness of the hole transport layer is preferably 5 nm to 600 nm, more preferably 30 nm to 200 nm.
- an electron transport layer may be provided between the organic semiconductor layer and the negative electrode.
- the material for forming the electron transport layer is not particularly limited, but the above-described n-type organic materials (NTCDA, PTCDA, PTCDI-C8H, oxazole derivatives, triazole derivatives, phenanthroline derivatives, phosphine oxide derivatives, fullerene compounds, CNTs)
- An organic material exhibiting n-type semiconductor characteristics such as CN-PPV
- the thickness of the electron transport layer is preferably 5 nm to 600 nm, more preferably 30 nm to 200 nm.
- the organic photovoltaic element of the present invention may form a series junction by stacking (tandemizing) two or more organic semiconductor layers via one or more intermediate electrodes.
- a laminated structure of substrate / positive electrode / first organic semiconductor layer / intermediate electrode / second organic semiconductor layer / negative electrode can be given.
- the open circuit voltage can be improved.
- the hole transport layer described above may be provided between the positive electrode and the first organic semiconductor layer and between the intermediate electrode and the second organic semiconductor layer, and between the first organic semiconductor layer and the intermediate electrode.
- the hole transport layer described above may be provided between the second organic semiconductor layer and the negative electrode.
- At least one layer of the organic semiconductor layer contains the compound of the present invention represented by the formula (1), and the other layer does not reduce the short-circuit current. It is preferable to include a p-type organic material having a different band gap from the organic material. Examples of such p-type organic materials include the polythiophene polymers, poly-p-phenylene vinylene polymers, poly-p-phenylene polymers, polyfluorene polymers, polypyrrole polymers, polyaniline polymers described above.
- Conjugated polymers such as polymers, polyacetylene polymers, polythienylene vinylene polymers, phthalocyanine derivatives such as H2 phthalocyanine (H2Pc), copper phthalocyanine (CuPc), zinc phthalocyanine (ZnPc), porphyrin derivatives, N, N′-diphenyl-N, N′-di (3-methylphenyl) -4,4′-diphenyl-1,1′-diamine (TPD), N, N′-dinaphthyl-N, N′-diphenyl-4 Triarylamine derivatives such as 4,4′-diphenyl-1,1′-diamine (NPD), 4,4′-di (carbazo Carbazole derivatives such as Le-9-yl) biphenyl (CBP), oligothiophene derivatives (terthiophene, quarter thiophene, sexithiophene, etc. oct thiophene
- the material for the intermediate electrode used here is preferably a material having high conductivity, for example, the above-mentioned metals such as gold, platinum, chromium, nickel, lithium, magnesium, calcium, tin, silver, aluminum, and transparent Metal oxides such as indium and tin, composite metal oxides (indium tin oxide (ITO), indium zinc oxide (IZO), etc.), alloys composed of the above metals and laminates of the above metals, polyethylene Examples include dioxythiophene (PEDOT) and those obtained by adding polystyrene sulfonate (PSS) to PEDOT.
- the intermediate electrode preferably has a light transmission property, but even a material such as a metal having a low light transmission property can often ensure a sufficient light transmission property by reducing the film thickness.
- organic semiconductor layer formation spin coating, blade coating, slit die coating, screen printing coating, bar coater coating, mold coating, printing transfer method, dip pulling method, ink jet method, spray method, vacuum deposition method, etc. This method may be used, and the formation method may be selected according to the characteristics of the organic semiconductor layer to be obtained, such as film thickness control and orientation control.
- the organic semiconductor device of the present invention uses the organic semiconductor material of the present invention.
- the organic semiconductor device is preferably an organic field effect transistor or an organic photovoltaic element.
- dibenofen (1-A) (109 mmol, 20.0 kg) and dehydrated THF (100 mL) were added to a 1000 mL reactor and stirred at 0 ° C. for 30 minutes.
- 2N BuLi-hexane solution (60 mL, 156 mmol) was added dropwise. After completion of the dropwise addition, the mixture was heated to reflux for 6 hours. After cooling to room temperature, dehydrated DMF (20 mL, 160 mmol) was added dropwise, and the mixture was stirred overnight at room temperature.
- the reaction mixture was poured into 6N hydrochloric acid (500 mL), extracted with acetic acid, and the organic layer was washed with water and dried. 8.0 g of compound (1-B) was obtained by column chromatography.
- reaction mixture was poured into 2N aqueous sodium hydroxide solution, washed with ethyl acetate, and the ethyl acetate layer was extracted with 2N aqueous sodium hydroxide solution.
- the aqueous layers were combined, adjusted to pH 1 by adding 6N hydrochloric acid, and extracted with ethyl acetate.
- the organic layer was washed with water and the solvent was distilled off to obtain 9.6 g of compound (1-E).
- dibenzofuran (2-A) (3448 mmol, 580 g) and dehydrated THF (2260 mL) were added to a 10 L reactor and stirred at 0 ° C. for 30 minutes.
- 1.6 M M BuLi-heptane solution (3414 mmol, 2134 mL).
- DMF 5173 mmol, 401 mL was added dropwise.
- the reaction solution was poured into 6M hydrochloric acid to adjust the pH to 1%. This was extracted with ethyl acetate, washed with water and brine, dried over sodium sulfate, filtered, and concentrated to obtain 690 g of crude compound (2-B) as a pale yellow solid.
- a compound (2-H) (3.4 mmol, 11.9 ⁇ g), niline pentasulfide (7.6 1mmol, 1.7 40g), and 40 mL of dehydrated toluene were added to a 100 mL eggplant flask. After stirring for 10 minutes at room temperature, hexamethyldisiloxane (51.7 mmol, 8.4 g) was added and stirred at 90 ° C. for 21 hours. After cooling to room temperature, the reaction mixture was passed through a silica gel layer to concentrate the filtrate, and the concentrate was used as such for the next reaction.
- compound (2-J) (22.4 mmol, 7.3 g) and dehydrated DMF (150 mL) were added to a 300 mL eggplant flask and stirred, and NBS (45.0 mmol, 8.0 g) was added. After 2 hours and a half, the ice bath was removed to room temperature, and the mixture was stirred overnight. Methanol was added to the reaction mixture, and the precipitate was filtered and washed with methanol to obtain 9.2 g of compound (2-K).
- Example 4 The characteristics of the organic semiconductor material of the present invention were evaluated by preparing an organic field effect transistor having the configuration shown in FIG. First, a silicon wafer (n-doped) having a thermally grown silicon oxide layer having a thickness of about 300 nm was washed with a sulfuric acid-hydrogen peroxide aqueous solution, boiled with isopropyl alcohol, and then dried. A film of chlorobenzene (2 Wt%) of the compound (A201) is formed on the silicon wafer (n-doped) having the thermally grown silicon oxide layer by spin coating, and then heat-treated at 80 ° C. to obtain a thickness of 5 A thin film of 0 nm compound (A201) was formed.
- a voltage of ⁇ 100 V is applied between the source electrode and the drain electrode of the obtained organic field effect transistor, the gate voltage is changed in the range of ⁇ 20 to ⁇ 100 V, and the voltage-current curve is set to a temperature of 25 ° C. And the transistor characteristics were evaluated.
- the field effect mobility ( ⁇ ) was calculated using the following formula (I) representing the drain current I d .
- I d (W / 2L) ⁇ C i (V g ⁇ V t ) 2 (I)
- L is the channel length and W is the channel width.
- C i is a capacitance per unit area of the insulating layer, V g is a gate voltage, and V t is a threshold voltage.
- the calculated field effect mobility was 8.0 ⁇ 10 ⁇ 1 cm 2 / Vs.
- Example 5 (A101), (A216), (A218), (A221), (A226), (A501), (A702), and (A805) were synthesized in the same manner as compounds (A201) and (B106).
- Example 4 instead of the chlorobenzene solution (2 wt%) of the compound (A201), (A101), (A216), (A218), (A221), (A226), (A501), (A702), or (A702) The same operation was performed except that the chlorobenzene solution (2 wt%) of A805) was used to produce an organic field effect transistor, and the transistor characteristics of the obtained device were evaluated in the same manner as in Example 4. The results are shown in Table 1.
- Example 6 In Example 4, instead of the chlorobenzene solution (2 wt%) of the compound (A201), the chlorobenzene solution (2 wt%) of (B101), (B106), (B147), (B151), (B166), or (B172) In the same manner as in Example 4, the same operation as in Example 4 was performed. The results are shown in Table 2.
- Example 4 an organic field effect transistor was produced in the same manner as in Example 4 except that a chlorobenzene solution (2 wt%) of the following compound (H1) was used instead of the chlorobenzene solution (2 wt%) of the compound (A201). .
- the transistor characteristics of the obtained device were evaluated in the same manner as in Example 4. As a result, the field effect mobility was 1.1 ⁇ 10 ⁇ 2 cm 2 / Vs.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Thin Film Transistor (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Photovoltaic Devices (AREA)
Abstract
Description
1) Rの少なくとも1つが、水素原子以外の1価の置換基であること。
2) Rの少なくとも1つが、ハロゲン原子、水酸基、置換又は未置換の炭素数1~30の脂肪族炭化水素基、置換又は未置換の炭素数1~30のアルコキシ基、アミノ基、炭素数1~30の置換アミノ基、チオール基、炭素数1~30の置換スルホニル基、シアノ基、置換又は未置換の炭素数6~48の芳香族炭化水素基、置換又は未置換の炭素数2~48の芳香族複素環基、置換又は未置換の炭素数8~50芳香族炭化水素置換アルキニル基、置換又は未置換の炭素数4~50の芳香族複素環置換アルキニル基、置換又は未置換の炭素数8~50の芳香族炭化水素置換アルケニル基、置換又は未置換の炭素数4~50の芳香族複素環置換アルケニル基、置換又は未置換の炭素数5~30のアルキルシリルアルキニル基、置換又は未置換の炭素数3~30のアルキルシリル基、置換又は未置換のケイ素数1~30のシロキサン基、置換又は未置換のケイ素数1~30のシロキサンアルキル基、及び置換又は未置換のケイ素数1~30のポリシラン基からなる群れから選ばれる1価の基であること。
ここで、Rは一般式(1)のRと同意であり、Yは、一般式(7)のX1と反応して、X1-Yとして離脱しX1をRに置換可能とする基である。
一般式(2)で示される芳香族複素環化合物を、芳香族複素環化合物(2)というが、芳香族複素環化合物(1)に含まれるので、芳香族複素環化合物(1)で代表することがある。
一般式(7)において、Xは一般式(1)のXと同意である。X1は、それぞれ独立に、ハロゲン原子、水酸基、-B(OH)2、スルホニル基、トリフルオロメタンスルホナート、ノナフルオロブタンスルホナート、フルオロスルホン酸エステル、トシラートから選ばれる反応性基又は一般式(1)のRを示し、少なくとも1つはR以外の反応性基を示す。e、gは1~4の整数、f、hは1~2の整数である。一般式(8)において、Rは一般式(1)のRの1価の基と同意であり、Yは一般式(7)のX1と反応して、X1-Yとして離脱しX1をRに置換可能とする基である。
本発明の有機半導体材料の特性を、図2に示す構成の有機電界効果トランジスタを作成し、評価を行った。まず、約300nmの厚みの熱成長酸化ケイ素層を有するシリコンウェハ(nドープ)を、硫酸-過酸化水素水溶液で洗浄し、イソプロピルアルコールで煮沸した後、乾燥した。得られた熱成長酸化ケイ素層を有するシリコンウェハ(nドープ)上に、化合物(A201)のクロロベンゼン溶液(2Wt%)をスピンコート法により製膜した後80℃で熱処理を行う事により厚さ5 0 n m の化合物(A201)の薄膜を形成した。更に、この膜の表面にマスクを用いて金を蒸着してソースおよびドレイン電極を形成した。ソースおよびドレイン電極は幅100μm、厚さ200nmで、チャネル幅W=2mm、チャネル長L = 50 μm の有機電界効果トランジスタを作製した。
Id=(W/2L)μCi(Vg-Vt)2 (I)
化合物(A201)、(B106)と同様に、(A101)、(A216)、(A218)、(A221)、(A226)、(A501)、(A702)、(A805)を合成した。実施例4において、化合物(A201)のクロロベンゼン溶液(2wt%)の代わりに、(A101)、(A216)、(A218)、(A221)、(A226)、(A501)、(A702)、又は(A805)のクロロベンゼン溶液(2wt%)を用いた他は同様の操作を行い、有機電界効果トランジスタを作製し、得られた素子を実施例4と同様にトランジスタ特性を評価した。結果を表1に示す。
実施例4において、化合物(A201)のクロロベンゼン溶液(2wt%)の代わりに、(B101)、(B106)、(B147)、(B151)、(B166)、又は(B172)のクロロベンゼン溶液(2wt%)を用いた他は同様の操作を行い、有機電界効果トランジスタを作製し、得られた素子を実施例4と同様にトランジスタ特性を評価した。結果を表2に示す。
実施例4において、化合物(A201)のクロロベンゼン溶液(2wt%)の代わりに、下記化合物(H1)のクロロベンゼン溶液(2wt%)を使用した他は同様の操作を行い、有機電界効果トランジスタを作製した。得られた素子を実施例4と同様にトランジスタ特性を評価したところ、電界効果移動度は、1.1×10-2cm2/Vsであった。
Claims (11)
- Rの少なくとも1つが、1価の置換基である請求項1に記載の芳香族複素環化合物。
- 一般式(1)において、Rの少なくとも1つが、ハロゲン原子、水酸基、置換又は未置換の炭素数1~30の脂肪族炭化水素基、置換又は未置換の炭素数1~30のアルコキシ基、アミノ基、置換アミノ基、チオール基、置換スルホニル基、シアノ基、置換又は未置換の炭素数6~48の芳香族炭化水素基、置換又は未置換の炭素数2~48の芳香族複素環基、置換又は未置換の炭素数8~50芳香族炭化水素置換アルキニル基、置換又は未置換の炭素数4~50の芳香族複素環置換アルキニル基、置換又は未置換の炭素数8~50の芳香族炭化水素置換アルケニル基、置換又は未置換の炭素数4~50の芳香族複素環置換アルケニル基、置換又は未置換の炭素数5~30のアルキルシリルアルキニル基、置換又は未置換の炭素数3~30のアルキルシリル基、置換又は未置換のケイ素数1~30のシロキサン基、置換又は未置換のケイ素数1~30のシロキサンアルキル基、及び置換又は未置換のケイ素数1~30のポリシラン基からなる群れから選ばれる1価の基である請求項1に記載の芳香族複素環化合物。
- 下記一般式(7)で示される芳香族複素環化合物と下記一般式(8)で示される化合物を反応させ、一般式(7)におけるX1をRに置換した化合物とすることを特徴とする請求項2に記載の芳香族複素環化合物の製造方法。
ここで、Xは一般式(1)のXと同意である。X1は、それぞれ独立に、ハロゲン原子、水酸基、-B(OH)2、スルホニル基、トリフルオロメタンスルホナート、ノナフルオロブタンスルホナート、フルオロスルホン酸エステル、トシラートから選ばれる反応性基又は一般式(1)のRを示し、少なくとも1つは上記反応性基を示す。e、gは1~4の整数、f、hは1~2の整数である。
R―Y (8)
ここで、Rは一般式(1)のRと同意であり、Yは一般式(7)のX1と反応して、X1-Yとして離脱してX1をRに置換可能とする基である。 - 請求項1~4のいずれかに記載の芳香族複素環化合物を含有することを特徴とする有機半導体材料。
- 請求項6に記載の有機半導体材料から形成されたことを特徴とする有機半導体膜。
- 請求項6に記載の有機半導体材料を有機溶媒に溶解し、調製された溶液を塗布・乾燥する工程を経て、形成されたことを特徴とする有機半導体膜。
- 請求項6に記載の有機半導体材料を用いることを特徴とする有機半導体デバイス。
- 請求項6に記載の有機半導体材料を半導体層に用いることを特徴とする有機薄膜トランジスタ。
- 請求項6に記載の有機半導体材料を半導体層に用いることを特徴とする有機光起電力素子。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201480017557.4A CN105073754B (zh) | 2013-03-29 | 2014-03-17 | 芳香族杂环化合物、其制造方法、及其应用 |
| JP2015508323A JP6275118B2 (ja) | 2013-03-29 | 2014-03-17 | 芳香族複素環化合物、その製造方法、有機半導体材料及び有機半導体デバイス |
| US14/780,609 US10032993B2 (en) | 2013-03-29 | 2014-03-17 | Aromatic heterocyclic compound, manufacturing method thereof, organic semiconductor material, and organic semiconductor device |
| KR1020157031163A KR102090300B1 (ko) | 2013-03-29 | 2014-03-17 | 방향족 복소환 화합물, 그 제조방법, 유기 반도체 재료 및 유기 반도체 디바이스 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013074538 | 2013-03-29 | ||
| JP2013-074538 | 2013-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014156773A1 true WO2014156773A1 (ja) | 2014-10-02 |
Family
ID=51623754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2014/057166 Ceased WO2014156773A1 (ja) | 2013-03-29 | 2014-03-17 | 芳香族複素環化合物、その製造方法、有機半導体材料及び有機半導体デバイス |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10032993B2 (ja) |
| JP (1) | JP6275118B2 (ja) |
| KR (1) | KR102090300B1 (ja) |
| CN (1) | CN105073754B (ja) |
| TW (1) | TWI577683B (ja) |
| WO (1) | WO2014156773A1 (ja) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016051977A1 (ja) * | 2014-09-29 | 2016-04-07 | 新日鉄住金化学株式会社 | 有機電界発光素子用材料及びこれを用いた有機電界発光素子 |
| WO2018061821A1 (ja) | 2016-09-29 | 2018-04-05 | 富士フイルム株式会社 | 有機半導体膜形成用組成物、有機半導体膜及びその製造方法、並びに、有機半導体素子 |
| WO2018207420A1 (ja) * | 2017-05-08 | 2018-11-15 | ソニー株式会社 | 有機光電変換素子 |
| JP2020537674A (ja) * | 2017-10-19 | 2020-12-24 | メルク・パテント・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツングMerck Patent GmbH | ジベンゾフランおよびジベンゾチオフェン |
| JP2022179515A (ja) * | 2017-04-07 | 2022-12-02 | 株式会社半導体エネルギー研究所 | 有機化合物 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6275883B2 (ja) * | 2015-02-12 | 2018-02-07 | 富士フイルム株式会社 | 有機半導体膜形成用組成物、有機半導体膜及びその製造方法、並びに、有機半導体素子及びその製造方法 |
| CN111646961A (zh) * | 2020-07-29 | 2020-09-11 | 上海埃逸科技有限公司 | 一种灵芝呋喃a的制备方法 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009267134A (ja) * | 2008-04-25 | 2009-11-12 | Mitsui Chemicals Inc | 有機トランジスタ |
| JP2010087408A (ja) * | 2008-10-02 | 2010-04-15 | Mitsui Chemicals Inc | 有機トランジスタ |
| KR20110041726A (ko) * | 2009-10-16 | 2011-04-22 | 에스에프씨 주식회사 | 방향족 화합물 및 이를 이용한 유기전계발광소자 |
| WO2011074232A1 (ja) * | 2009-12-14 | 2011-06-23 | 出光興産株式会社 | 多環縮環化合物、及び、それを用いた有機薄膜トランジスタ |
| WO2012090462A1 (ja) * | 2010-12-28 | 2012-07-05 | 出光興産株式会社 | 有機半導体材料、当該材料を含んでなる塗布液、及び有機薄膜トランジスタ |
| JP2013232521A (ja) * | 2012-04-27 | 2013-11-14 | Udc Ireland Ltd | 有機電界発光素子、有機電界発光素子用材料並びに該有機電界発光素子を用いた発光装置、表示装置及び照明装置 |
| JP2013234151A (ja) * | 2012-05-09 | 2013-11-21 | Idemitsu Kosan Co Ltd | 縮合多環芳香族化合物及びそれを用いた有機薄膜トランジスタ |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6043226B2 (ja) * | 2013-03-29 | 2016-12-14 | 新日鉄住金化学株式会社 | 芳香族複素環化合物とその製造方法、有機半導体材料及び有機半導体デバイス |
-
2014
- 2014-03-17 JP JP2015508323A patent/JP6275118B2/ja active Active
- 2014-03-17 KR KR1020157031163A patent/KR102090300B1/ko active Active
- 2014-03-17 WO PCT/JP2014/057166 patent/WO2014156773A1/ja not_active Ceased
- 2014-03-17 US US14/780,609 patent/US10032993B2/en active Active
- 2014-03-17 CN CN201480017557.4A patent/CN105073754B/zh active Active
- 2014-03-28 TW TW103111584A patent/TWI577683B/zh active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009267134A (ja) * | 2008-04-25 | 2009-11-12 | Mitsui Chemicals Inc | 有機トランジスタ |
| JP2010087408A (ja) * | 2008-10-02 | 2010-04-15 | Mitsui Chemicals Inc | 有機トランジスタ |
| KR20110041726A (ko) * | 2009-10-16 | 2011-04-22 | 에스에프씨 주식회사 | 방향족 화합물 및 이를 이용한 유기전계발광소자 |
| WO2011074232A1 (ja) * | 2009-12-14 | 2011-06-23 | 出光興産株式会社 | 多環縮環化合物、及び、それを用いた有機薄膜トランジスタ |
| WO2012090462A1 (ja) * | 2010-12-28 | 2012-07-05 | 出光興産株式会社 | 有機半導体材料、当該材料を含んでなる塗布液、及び有機薄膜トランジスタ |
| JP2013232521A (ja) * | 2012-04-27 | 2013-11-14 | Udc Ireland Ltd | 有機電界発光素子、有機電界発光素子用材料並びに該有機電界発光素子を用いた発光装置、表示装置及び照明装置 |
| JP2013234151A (ja) * | 2012-05-09 | 2013-11-21 | Idemitsu Kosan Co Ltd | 縮合多環芳香族化合物及びそれを用いた有機薄膜トランジスタ |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016051977A1 (ja) * | 2014-09-29 | 2016-04-07 | 新日鉄住金化学株式会社 | 有機電界発光素子用材料及びこれを用いた有機電界発光素子 |
| WO2018061821A1 (ja) | 2016-09-29 | 2018-04-05 | 富士フイルム株式会社 | 有機半導体膜形成用組成物、有機半導体膜及びその製造方法、並びに、有機半導体素子 |
| JP2022179515A (ja) * | 2017-04-07 | 2022-12-02 | 株式会社半導体エネルギー研究所 | 有機化合物 |
| US12421202B2 (en) | 2017-04-07 | 2025-09-23 | Semiconductor Energy Laboratory Co., Ltd. | Organic compound, light-emitting element, light-emitting device, electronic device, display device and lighting device |
| US11834457B2 (en) | 2017-04-07 | 2023-12-05 | Semiconductor Energy Laboratory Co., Ltd. | Organic compound, light-emitting element, light-emitting device, electronic device, display device, and lighting device |
| WO2018207722A1 (ja) * | 2017-05-08 | 2018-11-15 | ソニー株式会社 | 有機光電変換素子 |
| JP7065838B2 (ja) | 2017-05-08 | 2022-05-12 | ソニーグループ株式会社 | 有機光電変換素子 |
| US11335861B2 (en) | 2017-05-08 | 2022-05-17 | Sony Corporation | Organic photoelectric conversion element |
| JP2022101621A (ja) * | 2017-05-08 | 2022-07-06 | ソニーグループ株式会社 | 有機光電変換素子 |
| JPWO2018207722A1 (ja) * | 2017-05-08 | 2020-03-26 | ソニー株式会社 | 有機光電変換素子 |
| WO2018207420A1 (ja) * | 2017-05-08 | 2018-11-15 | ソニー株式会社 | 有機光電変換素子 |
| JP2020537674A (ja) * | 2017-10-19 | 2020-12-24 | メルク・パテント・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツングMerck Patent GmbH | ジベンゾフランおよびジベンゾチオフェン |
| JP7230018B2 (ja) | 2017-10-19 | 2023-02-28 | メルク・パテント・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | ジベンゾフランおよびジベンゾチオフェン |
Also Published As
| Publication number | Publication date |
|---|---|
| US10032993B2 (en) | 2018-07-24 |
| JP6275118B2 (ja) | 2018-02-07 |
| TW201444853A (zh) | 2014-12-01 |
| CN105073754A (zh) | 2015-11-18 |
| CN105073754B (zh) | 2018-07-06 |
| JPWO2014156773A1 (ja) | 2017-02-16 |
| TWI577683B (zh) | 2017-04-11 |
| KR102090300B1 (ko) | 2020-04-14 |
| US20160056390A1 (en) | 2016-02-25 |
| KR20150135792A (ko) | 2015-12-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6073806B2 (ja) | 含窒素芳香族化合物、有機半導体材料及び有機電子デバイス | |
| JP6275118B2 (ja) | 芳香族複素環化合物、その製造方法、有機半導体材料及び有機半導体デバイス | |
| US8178873B2 (en) | Solution processable organic semiconductors | |
| CN103635505B (zh) | 二噻吩并邻苯二甲酰亚胺半导体聚合物 | |
| JP5978228B2 (ja) | 有機半導体材料及び有機電子デバイス | |
| CA2797308C (en) | Semiconductor composition | |
| JP2019068056A (ja) | 光電変換素子 | |
| JP6043226B2 (ja) | 芳香族複素環化合物とその製造方法、有機半導体材料及び有機半導体デバイス | |
| JP6647106B2 (ja) | 有機半導体材料及び有機半導体デバイス | |
| CN105646528B (zh) | 一种可溶性并噻吩衍生物及其制备和应用 | |
| JP6986692B2 (ja) | 含窒素複素環アルケニル化合物、有機半導体材料及び有機半導体デバイス | |
| JP2011222974A (ja) | 有機半導体材料及び有機半導体素子 | |
| US9512131B2 (en) | Organic semiconductor material for organic transistor, and organic transistor element | |
| JP4873603B2 (ja) | 高分子化合物の製造方法及び高分子化合物、並びにそれを用いた有機電子デバイス |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WWE | Wipo information: entry into national phase |
Ref document number: 201480017557.4 Country of ref document: CN |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 14774629 Country of ref document: EP Kind code of ref document: A1 |
|
| ENP | Entry into the national phase |
Ref document number: 2015508323 Country of ref document: JP Kind code of ref document: A |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 14780609 Country of ref document: US |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| ENP | Entry into the national phase |
Ref document number: 20157031163 Country of ref document: KR Kind code of ref document: A |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 14774629 Country of ref document: EP Kind code of ref document: A1 |















































