JP5344441B2 - 新規化合物及びその製造方法、並びに有機半導体材料及び有機半導体デバイス - Google Patents
新規化合物及びその製造方法、並びに有機半導体材料及び有機半導体デバイス Download PDFInfo
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- JP5344441B2 JP5344441B2 JP2011501605A JP2011501605A JP5344441B2 JP 5344441 B2 JP5344441 B2 JP 5344441B2 JP 2011501605 A JP2011501605 A JP 2011501605A JP 2011501605 A JP2011501605 A JP 2011501605A JP 5344441 B2 JP5344441 B2 JP 5344441B2
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- 125000005843 halogen group Chemical group 0.000 claims description 9
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 6
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 6
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 6
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- 125000003158 alcohol group Chemical group 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 150000001350 alkyl halides Chemical class 0.000 description 1
- 125000004414 alkyl thio group Chemical group 0.000 description 1
- AFVLVVWMAFSXCK-VMPITWQZSA-N alpha-cyano-4-hydroxycinnamic acid Chemical group OC(=O)C(\C#N)=C\C1=CC=C(O)C=C1 AFVLVVWMAFSXCK-VMPITWQZSA-N 0.000 description 1
- 239000003849 aromatic solvent Substances 0.000 description 1
- 238000000861 blow drying Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- HKQOBOMRSSHSTC-UHFFFAOYSA-N cellulose acetate Chemical compound OC1C(O)C(O)C(CO)OC1OC1C(CO)OC(O)C(O)C1O.CC(=O)OCC1OC(OC(C)=O)C(OC(C)=O)C(OC(C)=O)C1OC1C(OC(C)=O)C(OC(C)=O)C(OC(C)=O)C(COC(C)=O)O1.CCC(=O)OCC1OC(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C1OC1C(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C(COC(=O)CC)O1 HKQOBOMRSSHSTC-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000006880 cross-coupling reaction Methods 0.000 description 1
- 125000002118 cyano ester group Chemical group 0.000 description 1
- 150000004292 cyclic ethers Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- GPAYUJZHTULNBE-UHFFFAOYSA-N diphenylphosphine Chemical compound C=1C=CC=CC=1PC1=CC=CC=C1 GPAYUJZHTULNBE-UHFFFAOYSA-N 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000011978 dissolution method Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000002330 electrospray ionisation mass spectrometry Methods 0.000 description 1
- KTWOOEGAPBSYNW-UHFFFAOYSA-N ferrocene Chemical compound [Fe+2].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 KTWOOEGAPBSYNW-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 238000011899 heat drying method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000005453 ketone based solvent Substances 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- AICOOMRHRUFYCM-ZRRPKQBOSA-N oxazine, 1 Chemical compound C([C@@H]1[C@H](C(C[C@]2(C)[C@@H]([C@H](C)N(C)C)[C@H](O)C[C@]21C)=O)CC1=CC2)C[C@H]1[C@@]1(C)[C@H]2N=C(C(C)C)OC1 AICOOMRHRUFYCM-ZRRPKQBOSA-N 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920001230 polyarylate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 230000003335 steric effect Effects 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/06—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
- C07D333/24—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
-
- 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
-
- 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
- C07D495/12—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 three hetero rings
- C07D495/14—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
- H10K85/60—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
- H10K85/6576—Polycyclic condensed heteroaromatic hydrocarbons comprising only sulfur in the heteroaromatic polycondensed ring system, e.g. benzothiophene
-
- 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]
- H10K10/466—Lateral bottom-gate IGFETs comprising only a single gate
-
- 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
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- Chemical & Material Sciences (AREA)
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Thin Film Transistor (AREA)
- Electroluminescent Light Sources (AREA)
- Heterocyclic Compounds Containing Sulfur Atoms (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Description
(上記式中、R1〜R4はそれぞれ独立して水素原子、ハロゲン原子、アルキル基であって当該アルキル基中の1個又はそれ以上の炭素原子が酸素原子および/または硫黄原子に置換されていてもよく、当該アルキル基中の1個又はそれ以上の水素原子がハロゲン原子に置換されていてもよいアルキル基、アルキルオキシ基、アルキルチオ基、アリール基、アルキル基であって当該アルキル基中の1個又はそれ以上の水素原子がアリール基に置換されたアルキル基からなる群より選ばれる原子または官能基を表し、R5,R6はそれぞれ独立して硫黄原子またはセレン原子を表し、a,bおよびcは整数を表す。)
下記一般式(1)又は下記一般式(2)
で表される化合物である。
下記一般式(9)
で表される化合物と、
下記一般式(16)
で表される化合物と、
を反応させることを特徴とする、
下記一般式(1)又は下記一般式(2)
で表される化合物の製造方法である。
下記一般式(9)
で表される化合物と、
下記一般式(16)
で表される化合物と、
を反応させて下記一般式(17)又は下記一般式(18)
で表される化合物を得、
さらに酸化剤を添加して下記一般式(1)又は下記一般式(2)
で表される化合物を得ることを特徴とする。
で表される化合物を含有することを特徴とする。
以下、本実施形態に係る新規化合物の製造方法について説明する。本実施形態に係る新規化合物の製造方法は、下記反応式に示すように、一般式(9)で表されるチオフェン骨格を有する化合物と、一般式(16)で表されるシアノ基及びアルキル基を有する化合物とを反応させて、一般式(1)又は一般式(2)で表される化合物を合成する方法である。
続いて、本発明の実施形態に係る有機半導体材料について説明する。
続いて、本発明の実施形態に係る有機半導体デバイスについて説明する。本発明の実施形態に係る有機半導体デバイスは、上記有機半導体材料を含むものである。
溶接法に用いる有機溶媒は、本発明の実施形態に係る有機半導体材料を溶解することができるものであればよく、特に限定されない。例えば、ジエチルエーテルやジイソプロピルエーテル等の鎖状エーテル系溶媒;テトラヒドロフランやジオキサン等の環状エーテル系溶媒;アセトンやメチルエチルケトン等のケトン系溶媒;クロロホルムや1,2−ジクロロエタン等のハロゲン化アルキル系溶媒;トルエン、o−ジクロロベンゼン、ニトロベンゼン、m−クレゾール等の芳香族系溶媒、N−メチルピロリドン、二硫化炭素等を好適に用いることができる。これらの有機溶媒中、本発明に係る有機半導体材料の濃度とは0.1〜1wt%が好ましく、0.2〜0.5wt%がより好ましく、0.3〜0.4wt%がさらに好ましい。
溶接法では基板の材料としては、ガラスやセラミックスに加えて紙、プラスチック、プラスチックフィルム等を用いることができる。これにより、有機半導体デバイスの軽量化、柔軟化が可能になる。
上記工程の結果得られた基板を乾燥する方法は、特に限定されない。送風乾燥法、真空乾燥法、又は加熱乾燥法等、従来公知の方法を用いることができる。
窒素雰囲気下、50mL三口フラスコにヘキシルシアノ酢酸(2.08g,12.3mmol)を入れた。溶媒として無水1,4−ジオキサン(15mL)を加え、ヘキシルシアノ酢酸を溶解させた。
m.p 258-260℃(melt with decomposition);
1H NMR (400 MHz, CDCl3) d 7.32-7.59 (m, 6H), 4.33 (m, 4H), 1.75 (m, 4H), 1.42 (m, 4H), 1.31 (m, 8H), 0.89 (t, J=5.8 Hz, 6H);
EIMS (70eV) m/z 580 (M+);
MS (MALDI-TOF dithranol matrix) m/z 580 (M-);
IR (KBr) u 2202cm-1 (CN), 1694cm-1 (C=O);
Anal. Calcd for C30H32N2O4S3: C, 62.04; H, 5.55; N, 4.82%; Found: C, 62.21; H, 5.57; N, 4.91%.
1H NMR (400 MHz, CDCl3) d 7.56 (d and d, 4H), 4.32 (t, J=6.8 Hz, 4H), 1.74 (m, 4H), 1.42 (m, 4H) 1.33 (m, 8H), 0.90 (t, J=6.8 Hz, 6H);
13C NMR (100 MHz, CDCl3) d 14.1 22.5 25.7 28.5 31.3 67.1 93.0 114.8 137.1 138.1 143.6 163.9 167.7;
EIMS (70eV) m/z 498 (M+);
IR (KBr) u 2215cm-1 (CN), 1692 cm-1 (C=O);
Anal. Calcd for C26H30N2O4S2: C, 62.62; H, 6.06; N, 5.62%; Found: C, 62.85; H, 6.06; N, 5.62%.
1H NMR (270 MHz, CDCl3) d 7.31-7.58 (m, 6H), 4.32 (m, 4H), 1.74 (m, 4H), 1.45 (m, 4H), 0.97 (t, J=7.3 Hz, 6H);
EIMS (70eV) m/z 524 (M+);
Anal. Calcd for C26H24N2O4S3: C, 59.52; H, 4.61; N, 5.34%; Found: C, 59.60; H, 4.64; N, 5.40%.
(以下、化合物4と記す)の合成)
1H NMR (270 MHz, CDCl3) d 7.31-7.59 (m, 6H), 4.33 (m, 4H), 1.75 (m, 4H), 1.29-1.52 (m, 20H), 0.88 (t, J=7.3 Hz, 6H);
EIMS (70eV) m/z 636 (M+);
m.p 270℃(melt with decomposition);
1H NMR (270 MHz, CDCl3) d 7.24 ( s, 2H), 4.32 (t, J=6.6 Hz, 4H), 1.74 (m, 4H), 1.42 (m, 4H) 1.33 (m, 8H), 0.90 (t, J=6.6 Hz, 6H);
13C NMR (70 MHz, CDCl3) d 14.1 22.6 25.5 28.5 31.4 67.5 96.4 114.4 123.4 159.5 163.1 171.3;
EIMS (70eV) m/z 412 (M+);
IR (KBr) u 2219cm-1 (CN), 1697, 1681cm-1 (C=O)
窒素雰囲気下、50mL三口フラスコにヘキシルシアノ酢酸(953mg,5.60mmol)を入れ、無水1,4−ジオキサン(5.6mL)に溶解させた。
m.p >300℃;
1H NMR (270 MHz, CDCl3) d 7.64 (s, 2H), 7.30 (s, 2H), 4.32 (t, J=6.6 Hz, 4H), 1.74 (m, 4H),1.42 (m, 4H) 1.33 (m, 8H), 0.91 (t, J=5.0 Hz, 6H);
MS (MALDI-TOF dithranol matrix) m/z 522 (M-);
IR (KBr) u 2212cm-1 (CN), 1694cm-1 (C=O);
Anal. Calcd for C28H30N2O4S2: C, 64.34; H, 5.79; N, 5.36%; Found: C, 64.34; H, 5.99; N, 5.46%.
2,6−ジヨードベンゾ[1,2−b:4,5−b’]ジチオフェンの代わりに2,6−ジブロモジチエノ[3,2−b:2’,3’−d]チオフェンを用いた他は、化合物6と同様の合成方法で化合物7を得た。なお、2,6−ジブロモジチエノ[3,2−b:2’,3’−d]チオフェンは、公知の手法にて合成して用いた。
1H NMR (400 MHz, CDCl3) d 7.24 ( s, 2H), 4.32 (t, J=5.2 Hz, 4H), 1.76 (m, 6H), 1.42 (m, 4H) 1.33 (m, 8H), 0.91 (t, J=5.8 Hz, 6H);
EIMS (70eV) m/z 528 (M+);
IR (KBr) u 2216cm-1 (CN), 1697cm-1 (C=O).
m.p 207-208℃ (melt with decomposition);
1H NMR (270 MHz, CDCl3) d 7.41 (br, 6H), 4.28 (t, J=6.6 Hz, 4H), 2.79 (t, J=6.6 Hz, 4H), 1.74 (m, 8H), 1.32-1.55 (m, 24H) 0.90 (m, 12H);
IR (KBr) n 2200cm-1 (CN), 1670cm-1 (C=O).
1,2−ジ(2−チエニル)エテン(1.5g,7.8mmol)をジメチルホルムアミド(75mL)に加え、その後氷浴下でN−ブロモスクシンイミド(2.78g,15.6mmol)を加え、室温で1時間攪拌した。攪拌後、反応溶液を炭酸水素ナトリウム水溶液(100mL)に注ぎ、ジクロロメタンで抽出した。油層を水、食塩水で洗浄後、無水硫酸マグネシウムで乾燥させた。この油層を濃縮した後、析出した固体をメタノールで再結晶することにより、1,2−ジ(5−ブロモ−2−チエニル)エテン(2.40g,収率89%)を黄色固体として得た。
1H-NMR(270 MHz,CDCl3, TMS) δ6.94 (d, J=3.6 Hz, 1H), 6.80 (s, 1H), 6.77 (d, J=3.9 Hz, 1H)
MS(EI) m/z=348(M+)
1H-NMR(270 MHz,CDCl3, TMS) δ7.40 (d, J=5.4 Hz, 2H), 7.32(d, J=5.4Hz, 2H), 7.13(s, 2H), 4.31 (t, J=6.8 Hz, 4H), 1.80-1.70 (m, 4H), 1.44-1.25 (m, 12H), 0.90 (m, 6H)
ヘキシルシアノ酢酸の代わりにドデシルシアノ酢酸を用いた他は、化合物9と同様の合成方法で化合物10(184mg,収率46%)を紫色固体として得た。
1H-NMR(270 MHz,CDCl3, TMS) δ7.40(d, J=5.4Hz, 2H) ,7.32 (d, J=5.4 Hz,2H), 7.13 (s, 2H), 4.31 (t, J=6.8 Hz, 4H), 1.78-1.70 (m, 4H), 1.40-1.23 (m, 36H), 0.90-0.85 (m, 6H)
ヘキシルシアノ酢酸の代わりにヘキサデシルシアノ酢酸を用いた他は、化合物9と同様の合成方法で化合物11(78mg,収率10%)を紫色固体として得た。
1H-NMR(270 MHz,CDCl3, TMS) δ7.40(d, J=5.4Hz, 2H) ,7.32 (d, J=5.4 Hz, 2H), 7.13 (s, 2H), 4.31 (t, J=6.8 Hz, 4H), 1.78-1.70 (m, 4H), 1.40-1.23 (m, 52H), 0.90-0.85 (m, 6H)
まず、合成した上記化合物1、化合物2、及び化合物4を用いてFET素子をそれぞれ作製し、FET特性の評価を行った。それぞれのFET素子は、以下の方法で作製した。まず、SiO2基板を面積1cm×1cmの大きさに切り出した。裏面をフッ化水素酸で処理して空気中で酸化されているシリカを取り除いた後、Auを真空蒸着してゲート電極を形成した。次に、SiO2基板表面上に、濃度を0.4wt%に調整した上記化合物1、化合物2、化合物4のクロロホルム溶液をそれぞれ用い、スピンコート法により有機薄膜を形成した(有機薄膜作製条件:2000rpm、30sec)。なお、SiO2基板は、オクチルトリクロロシランで表面処理を施して用いた。
Id=WμCo(Vg−Vt)2/2L …(a)
Claims (12)
- 前記一般式(1)又は前記一般式(2)中、アルキル基はメチル基、ブチル基、ヘキシル基、オクチル基、ドデシル基又はヘキサデシル基のいずれかである、ことを特徴とする請求項1に記載の化合物。
- 下記一般式(9)
で表される化合物と、
下記一般式(16)
で表される化合物と、
を反応させて下記一般式(17)又は下記一般式(18)
で表される化合物を得、
さらに酸化剤を添加して下記一般式(1)又は下記一般式(2)
で表される化合物を得ることを特徴とする、化合物の製造方法。 - 前記一般式(9)中、Xは臭素である、
ことを特徴とする請求項3に記載の化合物の製造方法。 - 前記一般式(9)中、Xは臭素である、
ことを特徴とする請求項4に記載の化合物の製造方法。 - 前記一般式(1)又は前記一般式(2)中、アルキル基はメチル基、ブチル基、ヘキシル基、オクチル基、ドデシル基又はヘキサデシル基のいずれかである、
ことを特徴とする請求項7に記載の有機半導体材料。 - n型トランジスタ材料であることを特徴とする請求項7に記載の有機半導体材料。
- 請求項7に記載の有機半導体材料を含むことを特徴とする有機半導体デバイス。
- 大気中で駆動可能であることを特徴とする請求項10に記載の有機半導体デバイス。
- アニール処理されていることを特徴とする請求項10に記載の有機半導体デバイス。
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