JP2023503312A - 有機化合物及びこれを用いた有機電界発光素子 - Google Patents
有機化合物及びこれを用いた有機電界発光素子 Download PDFInfo
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- 229920001940 conductive polymer Polymers 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- GWNFQAKCJYEJEW-UHFFFAOYSA-N ethyl 3-[8-[[4-methyl-5-[(3-methyl-4-oxophthalazin-1-yl)methyl]-1,2,4-triazol-3-yl]sulfanyl]octanoylamino]benzoate Chemical compound CCOC(=O)C1=CC(NC(=O)CCCCCCCSC2=NN=C(CC3=NN(C)C(=O)C4=CC=CC=C34)N2C)=CC=C1 GWNFQAKCJYEJEW-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 1
- 150000002258 gallium Chemical class 0.000 description 1
- 230000009477 glass transition Effects 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
- 239000010931 gold Substances 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 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 description 1
- 125000002962 imidazol-1-yl group Chemical group [*]N1C([H])=NC([H])=C1[H] 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 125000003406 indolizinyl group Chemical group C=1(C=CN2C=CC=CC12)* 0.000 description 1
- 125000001041 indolyl group Chemical group 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000000555 isopropenyl group Chemical group [H]\C([H])=C(\*)C([H])([H])[H] 0.000 description 1
- ZLTPDFXIESTBQG-UHFFFAOYSA-N isothiazole Chemical compound C=1C=NSC=1 ZLTPDFXIESTBQG-UHFFFAOYSA-N 0.000 description 1
- CTAPFRYPJLPFDF-UHFFFAOYSA-N isoxazole Chemical compound C=1C=NOC=1 CTAPFRYPJLPFDF-UHFFFAOYSA-N 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- YCWSUKQGVSGXJO-NTUHNPAUSA-N nifuroxazide Chemical group C1=CC(O)=CC=C1C(=O)N\N=C\C1=CC=C([N+]([O-])=O)O1 YCWSUKQGVSGXJO-NTUHNPAUSA-N 0.000 description 1
- 125000002868 norbornyl group Chemical group C12(CCC(CC1)C2)* 0.000 description 1
- WCPAKWJPBJAGKN-UHFFFAOYSA-N oxadiazole Chemical compound C1=CON=N1 WCPAKWJPBJAGKN-UHFFFAOYSA-N 0.000 description 1
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 1
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 description 1
- 125000005561 phenanthryl group Chemical group 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000000561 purinyl group Chemical group N1=C(N=C2N=CNC2=C1)* 0.000 description 1
- 125000003373 pyrazinyl group Chemical group 0.000 description 1
- 125000002098 pyridazinyl group Chemical group 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 125000000246 pyrimidin-2-yl group Chemical group [H]C1=NC(*)=NC([H])=C1[H] 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 125000005493 quinolyl group Chemical group 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- VLLMWSRANPNYQX-UHFFFAOYSA-N thiadiazole Chemical compound C1=CSN=N1.C1=CSN=N1 VLLMWSRANPNYQX-UHFFFAOYSA-N 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 125000004665 trialkylsilyl group Chemical group 0.000 description 1
- 125000005106 triarylsilyl group Chemical group 0.000 description 1
- 125000004306 triazinyl group Chemical group 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/26—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting layers
- H10K50/16—Electron transporting layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
- H10K85/622—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene containing four rings, e.g. pyrene
-
- 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
- H10K85/654—Aromatic compounds comprising a hetero atom comprising only nitrogen as heteroatom
Abstract
Description
X1及びX2は、互いに異なり、CR3又はNであり、このとき、X1及びX2のうちのいずれか1つは、Nであり、残りは、CR3であり;
R1及びR2は、互いに同一又は異なり、それぞれ独立に、C2~C40のアルケニル基、C2~C40のアルキニル基、C3~C40のシクロアルキル基、核原子数3~40のヘテロシクロアルキル基、C1~C40のアルキル基、C6~C60のアリール基、核原子数5~60のヘテロアリール基、C1~C40のアルキルオキシ基、C6~C60のアリールオキシ基、C1~C40のアルキルシリル基、C6~C60のアリールシリル基、C1~C40のアルキルボロン基、C6~C60のアリールボロン基、C6~C60のアリールホスフィン基、C6~C60のアリールホスフィンオキサイド基、及びC6~C60のアリールアミン基から選択され;
Ar1は、下記化学式F1~F6のうちのいずれか1つで示される置換基であり;
上記R1及びR2のアルケニル基、アルキニル基、シクロアルキル基、ヘテロシクロアルキル基、アルキル基、アリール基、ヘテロアリール基、アルキルオキシ基、アリールオキシ基、アルキルシリル基、アリールシリル基、アルキルボロン基、アリールボロン基、アリールホスフィン基、アリールホスフィンオキサイド基、及びアリールアミン基、並びに、R3のアルキル基、アリール基、ヘテロアリール基は、それぞれ独立に、重水素、ハロゲン、シアノ基、ニトロ基、C2~C40のアルケニル基、C2~C40のアルキニル基、C3~C40のシクロアルキル基、核原子数3~40個のヘテロシクロアルキル基、C1~C40のアルキル基、C6~C60のアリール基、核原子数5~60個のヘテロアリール基、C1~C40のアルキルオキシ基、C6~C60のアリールオキシ基、C1~C40のアルキルシリル基、C6~C60のアリールシリル基、C1~C40のアルキルボロン基、C6~C60のアリールボロン基、C6~C60のアリールホスフィン基、C6~C60のアリールホスフィンオキサイド基、及びC6~C60のアリールアミン基からなる群から選択される1種以上の置換基で置換又は非置換であり、前記置換基が複数である場合、これらは互いに同一又は異なる。)
他の一例では、R1及びR2は、互いに異なり、R1及びR2のうちのいずれか1つは、ビフェニル基(biphenyl group)又はテルフェニル基(terphenyl group)であり、残りは、フェニル基であり得る。
X1及びX2は、それぞれ上記化学式1及び化学式2で定義した通りであり、
a及びbは、それぞれ0又は1であり、但し、a+b=1である。)
また、本発明の他の側面は、前述した化学式1及び化学式2で示される化合物を含む有機電界発光素子(以下、「有機EL素子」ともいう。)に関するものである。
1H-NMR: 8.23 (s, 1H), 7.95-7.93 (m, 7H), 7.55-7.40 (m, 9H), 7.25 (d, 2H)
Mass: [(M+H)+]: 419
1H-NMR: 8.35 (d, 2H), 8.30 (d, 2H), 7.97-7.94 (m, 3H), 7.85 (d, 2H), 7.55-7.48 (m, 9H)
Mass: [(M+H)+]: 419
1H-NMR: 8.23 (s, 1H), 8.00-7.94 (m, 7H), 7.75-7.72 (m, 3H), 7.55-7.38 (m, 11H), 7.25 (d, 2H)
Mass: [(M+H)+]: 464
1H-NMR: 8.35-8.30 (m, 6H), 7.97 (s, 1H), 7.85 (d, 4H), 7.75 (d, 2H), 7.50-7.38 (m, 9H)
Mass: [(M+H)+]: 464
1H-NMR: 8.38 (d, 1H), 8.23 (s, 1H), 8.10 (d, 2H), 7.94-7.90 (m, 3H), 7.73 (t, 1H), 7.62-7.45 (m, 9H)
Mass: [(M+H)+]: 419
1H-NMR: 8.35 (d, 2H), 8.23 (s, 1H), 8.10 (d, 2H), 7.95 (d, 4H), 7.73 (s, 1H), 7.50-7.38 (m, 9H)
Mass: [(M+H)+]: 419
1H-NMR: 8.38 (d, 1H), 8.23 (s, 1H), 8.10 (d, 2H), 7.96-7.94 (m, 5H), 7.75-7.73 (m, 4H), 7.62-7.32 (m, 10H)
Mass: [(M+H)+]: 496
1H-NMR: 8.35 (d, 2H), 8.30 (d, 2H), 8.23 (s, 1H), 8.10 (d, 2H), 7.94 (m, 2H), 7.85 (d, 2H), 7.75-7.73 (m, 3H), 7.62-7.38 (m, 9H)
Mass: [(M+H)+]: 496
Mass: [(M+H)+]: 578
Mass: [(M+H)+]: 654
Mass: [(M+H)+]: 654
Mass: [(M+H)+]: 654
Mass: [(M+H)+]: 578
Mass: [(M+H)+]: 778
Mass: [(M+H)+]: 702
Mass: [(M+H)+]: 776
Mass: [(M+H)+]: 704
Mass: [(M+H)+]: 628
Mass: [(M+H)+]: 704
Mass: [(M+H)+]: 578
Mass: [(M+H)+]: 654
Mass: [(M+H)+]: 578
Mass: [(M+H)+]: 654
Mass: [(M+H)+]: 702
Mass: [(M+H)+]: 778
Mass: [(M+H)+]: 702
Mass: [(M+H)+]: 776
Mass: [(M+H)+]: 704
Mass: [(M+H)+]: 628
Mass: [(M+H)+]: 704
合成例で合成された化合物3を、周知の常法で高純度の昇華精製を行った後、後述のように青色の有機電界発光素子を製作した。
実施例1において電子輸送層の形成時に電子輸送層物質として使用された化合物3の代わりに、下記表1に記載の化合物をそれぞれ使用した以外は、実施例1と同様にして実施例2~11の有機電界発光素子を製作した。
実施例1において電子輸送層物質として使用された化合物3の代わりにAlq3を使用した以外は、上記実施例1と同様にして青色の有機電界発光素子を製作した。上記使用されたAlq3の構造は、以下の通りである。
実施例1において電子輸送層物質として使用された化合物3を使用しなかった以外は、上記実施例1と同様にして青色の有機電界発光素子を製作した。
実施例1において電子輸送層材料として使用された化合物3の代わりにT-1を使用した以外は、上記実施例1と同様にして青色の有機電界発光素子を製作した。上記使用されたT-1の構造は、以下の通りである。
実施例1において電子輸送層材料として使用された化合物3の代わりにT-2を使用した以外は、上記実施例1と同様にして青色の有機電界発光素子を製作した。上記使用されたT-2の構造は、以下の通りである。
実施例1~11及び比較例1~4でそれぞれ製作された青色の有機電界発光素子について、電流密度10mA/cm2での駆動電圧、電流効率、及び発光波長を測定し、その結果を下記表1に示す。
合成例で合成された化合物12を、周知の常法で高純度の昇華精製を行った後、後述の過程に従って青色の有機電界発光素子を製作した。
実施例12において電子輸送補助層物質として使用された化合物12の代わりに、下記表2に記載の化合物をそれぞれ使用した以外は、実施例12と同様にして実施例13~22の有機電界発光素子を製造した。
実施例12において電子輸送補助層物質として使用された化合物12を使用せず、電子輸送層物質であるAlq3を25nmでなく30nmで蒸着した以外は、上記実施例12と同様にして青色の有機電界発光素子を製造した。
実施例12において電子輸送補助層材料として使用された化合物12の代わりにT-1を使用した以外は、上記実施例12と同様にして青色の有機電界発光素子を製造した。上記使用されたT-1の構造は、比較例3で使用されたものと同様であるため、説明を省略する。
実施例12において電子輸送補助層材料として使用された化合物12の代わりにT-2を使用した以外は、上記実施例12と同様にして青色の有機電界発光素子を製造した。上記使用されたT-2の構造は、比較例4で使用されたものと同様であるため、説明を省略する。
実施例12~22及び比較例5~7でそれぞれ製作された有機電界発光素子について、電流密度10mA/cm2での駆動電圧、発光波長、電流効率を測定し、その結果を下記表2に示す。
Claims (9)
- 下記化学式1又は化学式2で示される有機化合物:
X1及びX2は、互いに異なり、CR3又はNであり、このとき、X1及びX2のうちのいずれか1つは、Nであり、残りは、CR3であり;
R1及びR2は、互いに同一又は異なり、それぞれ独立に、C2~C40のアルケニル基、C2~C40のアルキニル基、C3~C40のシクロアルキル基、核原子数3~40のヘテロシクロアルキル基、C1~C40のアルキル基、C6~C60のアリール基、核原子数5~60のヘテロアリール基、C1~C40のアルキルオキシ基、C6~C60のアリールオキシ基、C1~C40のアルキルシリル基、C6~C60のアリールシリル基、C1~C40のアルキルボロン基、C6~C60のアリールボロン基、C6~C60のアリールホスフィン基、C6~C60のアリールホスフィンオキサイド基、及びC6~C60のアリールアミン基から選択され;
Ar1は、下記化学式F1~F6のうちのいずれか1つで示される置換基であり;
上記R1及びR2のアルケニル基、アルキニル基、シクロアルキル基、ヘテロシクロアルキル基、アルキル基、アリール基、ヘテロアリール基、アルキルオキシ基、アリールオキシ基、アルキルシリル基、アリールシリル基、アルキルボロン基、アリールボロン基、アリールホスフィン基、アリールホスフィンオキサイド基、及びアリールアミン基、並びに、R3のアルキル基、アリール基、ヘテロアリール基は、それぞれ独立に、重水素、ハロゲン、シアノ基、ニトロ基、C2~C40のアルケニル基、C2~C40のアルキニル基、C3~C40のシクロアルキル基、核原子数3~40個のヘテロシクロアルキル基、C1~C40のアルキル基、C6~C60のアリール基、核原子数5~60個のヘテロアリール基、C1~C40のアルキルオキシ基、C6~C60のアリールオキシ基、C1~C40のアルキルシリル基、C6~C60のアリールシリル基、C1~C40のアルキルボロン基、C6~C60のアリールボロン基、C6~C60のアリールホスフィン基、C6~C60のアリールホスフィンオキサイド基、及びC6~C60のアリールアミン基からなる群から選択される1種以上の置換基で置換又は非置換であり、前記置換基が複数である場合、これらは互いに同一又は異なる。) - 上記R1及びR2は、互いに異なるものである、請求項1に記載の化合物。
- 上記R1及びR2のうちのいずれか1つは、ビフェニル基(biphenyl group)又はテルフェニル基(terphenyl group)であり、残りは、フェニル基である。請求項2に記載の化合物。
- 上記X1は、CR3であり、X2は、Nであり、
R3は、請求項1で定義した通りである、請求項1に記載の化合物。 - 上記Ar1は、上記化学式F1で示される置換基である、請求項1に記載の化合物。
- 陽極、陰極、及び、上記陽極と陰極との間に介在した1層以上の有機物層を含む有機電界発光素子であって、
上記1層以上の有機物層のうちの少なくとも1つは、請求項1~7のうちのいずれか1項に記載の化合物を含む、有機電界発光素子。 - 上記化合物を含む有機物層は、電子輸送層又は電子輸送補助層である、請求項8に記載の有機電界発光素子。
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CN114728913A (zh) | 2022-07-08 |
WO2021101255A1 (ko) | 2021-05-27 |
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