JP3876872B2 - エレクトロルミネスセンスポリマー、ビスフルオレニルシラン化合物及び有機el素子 - Google Patents
エレクトロルミネスセンスポリマー、ビスフルオレニルシラン化合物及び有機el素子 Download PDFInfo
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- JP3876872B2 JP3876872B2 JP2003350152A JP2003350152A JP3876872B2 JP 3876872 B2 JP3876872 B2 JP 3876872B2 JP 2003350152 A JP2003350152 A JP 2003350152A JP 2003350152 A JP2003350152 A JP 2003350152A JP 3876872 B2 JP3876872 B2 JP 3876872B2
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- 229920000642 polymer Polymers 0.000 title claims description 74
- 150000001875 compounds Chemical class 0.000 title claims description 32
- -1 n-octyl groups Chemical group 0.000 claims description 43
- 125000003118 aryl group Chemical group 0.000 claims description 23
- 125000000217 alkyl group Chemical group 0.000 claims description 22
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 11
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 10
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 10
- 125000001424 substituent group Chemical group 0.000 claims description 10
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 7
- 125000001931 aliphatic group Chemical group 0.000 claims description 5
- 125000003342 alkenyl group Chemical group 0.000 claims description 5
- 125000003545 alkoxy group Chemical group 0.000 claims description 5
- 125000000304 alkynyl group Chemical group 0.000 claims description 5
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 5
- 125000004104 aryloxy group Chemical group 0.000 claims description 5
- 125000000623 heterocyclic group Chemical group 0.000 claims description 5
- 125000005843 halogen group Chemical group 0.000 claims description 4
- 125000001072 heteroaryl group Chemical group 0.000 claims 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 81
- 238000005401 electroluminescence Methods 0.000 description 55
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 48
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 42
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 41
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 30
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 30
- NIHNNTQXNPWCJQ-UHFFFAOYSA-N fluorene Chemical group C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 0.000 description 25
- 239000000243 solution Substances 0.000 description 25
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- 238000002189 fluorescence spectrum Methods 0.000 description 20
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- 230000015572 biosynthetic process Effects 0.000 description 18
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- 229910000027 potassium carbonate Inorganic materials 0.000 description 15
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- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 14
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- LEUKBFGVHFGCIB-UHFFFAOYSA-N bis(9h-fluoren-1-yl)-diphenylsilane Chemical compound C=12CC3=CC=CC=C3C2=CC=CC=1[Si](C=1C2=C(C3=CC=CC=C3C2)C=CC=1)(C=1C=CC=CC=1)C1=CC=CC=C1 LEUKBFGVHFGCIB-UHFFFAOYSA-N 0.000 description 11
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- CYKLQIOPIMZZBZ-UHFFFAOYSA-N 2,7-dibromo-9,9-dioctylfluorene Chemical compound C1=C(Br)C=C2C(CCCCCCCC)(CCCCCCCC)C3=CC(Br)=CC=C3C2=C1 CYKLQIOPIMZZBZ-UHFFFAOYSA-N 0.000 description 9
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
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- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 7
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 238000000944 Soxhlet extraction Methods 0.000 description 7
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- 238000001514 detection method Methods 0.000 description 7
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- 230000000052 comparative effect Effects 0.000 description 6
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- AVXFJPFSWLMKSG-UHFFFAOYSA-N 2,7-dibromo-9h-fluorene Chemical compound BrC1=CC=C2C3=CC=C(Br)C=C3CC2=C1 AVXFJPFSWLMKSG-UHFFFAOYSA-N 0.000 description 5
- QXAIDADUIMVTPS-UHFFFAOYSA-N 9-(9h-fluoren-9-yl)-9h-fluorene Chemical group C12=CC=CC=C2C2=CC=CC=C2C1C1C2=CC=CC=C2C2=CC=CC=C21 QXAIDADUIMVTPS-UHFFFAOYSA-N 0.000 description 5
- LTOBXQFQSXFEER-UHFFFAOYSA-N bis(9h-fluoren-1-yl)-dimethylsilane Chemical compound C12=CC=CC=C2CC2=C1C=CC=C2[Si](C)(C)C1=CC=CC2=C1CC1=CC=CC=C12 LTOBXQFQSXFEER-UHFFFAOYSA-N 0.000 description 5
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- RXACYPFGPNTUNV-UHFFFAOYSA-N 9,9-dioctylfluorene Chemical compound C1=CC=C2C(CCCCCCCC)(CCCCCCCC)C3=CC=CC=C3C2=C1 RXACYPFGPNTUNV-UHFFFAOYSA-N 0.000 description 4
- LKHNFJHZDJMVDK-UHFFFAOYSA-N C1=C(Br)C=C2C(CCCCCCCC)(CCCCCCCC)C3=CC([Li])=CC=C3C2=C1 Chemical compound C1=C(Br)C=C2C(CCCCCCCC)(CCCCCCCC)C3=CC([Li])=CC=C3C2=C1 LKHNFJHZDJMVDK-UHFFFAOYSA-N 0.000 description 4
- 229920000291 Poly(9,9-dioctylfluorene) Polymers 0.000 description 4
- 125000005428 anthryl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C3C(*)=C([H])C([H])=C([H])C3=C([H])C2=C1[H] 0.000 description 4
- STSCKAFKPNLWEE-UHFFFAOYSA-N bis(7-bromo-9,9-dioctylfluoren-1-yl)-diphenylsilane Chemical compound C=12C(CCCCCCCC)(CCCCCCCC)C3=CC(Br)=CC=C3C2=CC=CC=1[Si](C=1C=2C(CCCCCCCC)(CCCCCCCC)C3=CC(Br)=CC=C3C=2C=CC=1)(C=1C=CC=CC=1)C1=CC=CC=C1 STSCKAFKPNLWEE-UHFFFAOYSA-N 0.000 description 4
- 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 4
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 4
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 4
- SZUVGFMDDVSKSI-WIFOCOSTSA-N (1s,2s,3s,5r)-1-(carboxymethyl)-3,5-bis[(4-phenoxyphenyl)methyl-propylcarbamoyl]cyclopentane-1,2-dicarboxylic acid Chemical compound O=C([C@@H]1[C@@H]([C@](CC(O)=O)([C@H](C(=O)N(CCC)CC=2C=CC(OC=3C=CC=CC=3)=CC=2)C1)C(O)=O)C(O)=O)N(CCC)CC(C=C1)=CC=C1OC1=CC=CC=C1 SZUVGFMDDVSKSI-WIFOCOSTSA-N 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 3
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- 238000000034 method Methods 0.000 description 3
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- UNILWMWFPHPYOR-KXEYIPSPSA-M 1-[6-[2-[3-[3-[3-[2-[2-[3-[[2-[2-[[(2r)-1-[[2-[[(2r)-1-[3-[2-[2-[3-[[2-(2-amino-2-oxoethoxy)acetyl]amino]propoxy]ethoxy]ethoxy]propylamino]-3-hydroxy-1-oxopropan-2-yl]amino]-2-oxoethyl]amino]-3-[(2r)-2,3-di(hexadecanoyloxy)propyl]sulfanyl-1-oxopropan-2-yl Chemical compound O=C1C(SCCC(=O)NCCCOCCOCCOCCCNC(=O)COCC(=O)N[C@@H](CSC[C@@H](COC(=O)CCCCCCCCCCCCCCC)OC(=O)CCCCCCCCCCCCCCC)C(=O)NCC(=O)N[C@H](CO)C(=O)NCCCOCCOCCOCCCNC(=O)COCC(N)=O)CC(=O)N1CCNC(=O)CCCCCN\1C2=CC=C(S([O-])(=O)=O)C=C2CC/1=C/C=C/C=C/C1=[N+](CC)C2=CC=C(S([O-])(=O)=O)C=C2C1 UNILWMWFPHPYOR-KXEYIPSPSA-M 0.000 description 2
- VMKOFRJSULQZRM-UHFFFAOYSA-N 1-bromooctane Chemical compound CCCCCCCCBr VMKOFRJSULQZRM-UHFFFAOYSA-N 0.000 description 2
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 description 2
- FFLBIYRYWLAKNW-UHFFFAOYSA-N 9h-fluoren-1-yl-[9h-fluoren-1-yl(dimethyl)silyl]-dimethylsilane Chemical compound C12=CC=CC=C2CC2=C1C=CC=C2[Si](C)(C)[Si](C)(C)C1=CC=CC2=C1CC1=CC=CC=C12 FFLBIYRYWLAKNW-UHFFFAOYSA-N 0.000 description 2
- QHVFVMWLRSTNGT-UHFFFAOYSA-N BrC1=CC=C2C=3C=CC=C(C=3C(C2=C1)(CCCCCCCC)CCCCCCCC)C=1C(=C(C=CC=1)[SiH](C(C)(C)C)C(C)(C)C)C1=CC=CC=2C3=CC=C(C=C3C(C1=2)(CCCCCCCC)CCCCCCCC)Br Chemical compound BrC1=CC=C2C=3C=CC=C(C=3C(C2=C1)(CCCCCCCC)CCCCCCCC)C=1C(=C(C=CC=1)[SiH](C(C)(C)C)C(C)(C)C)C1=CC=CC=2C3=CC=C(C=C3C(C1=2)(CCCCCCCC)CCCCCCCC)Br QHVFVMWLRSTNGT-UHFFFAOYSA-N 0.000 description 2
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- 229910052782 aluminium Inorganic materials 0.000 description 2
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- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 2
- HTZCNXWZYVXIMZ-UHFFFAOYSA-M benzyl(triethyl)azanium;chloride Chemical compound [Cl-].CC[N+](CC)(CC)CC1=CC=CC=C1 HTZCNXWZYVXIMZ-UHFFFAOYSA-M 0.000 description 2
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 description 2
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- 125000004430 oxygen atom Chemical group O* 0.000 description 2
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- AHUXYBVKTIBBJW-UHFFFAOYSA-N dimethoxy(diphenyl)silane Chemical compound C=1C=CC=CC=1[Si](OC)(OC)C1=CC=CC=C1 AHUXYBVKTIBBJW-UHFFFAOYSA-N 0.000 description 1
- PZPGRFITIJYNEJ-UHFFFAOYSA-N disilane Chemical class [SiH3][SiH3] PZPGRFITIJYNEJ-UHFFFAOYSA-N 0.000 description 1
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- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
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- 229910052740 iodine Inorganic materials 0.000 description 1
- 229930192419 itoside Natural products 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- RQLKAKQYERUOJD-UHFFFAOYSA-N lithium;1,3,5-trimethylbenzene-6-ide Chemical compound [Li+].CC1=CC(C)=[C-]C(C)=C1 RQLKAKQYERUOJD-UHFFFAOYSA-N 0.000 description 1
- 238000004768 lowest unoccupied molecular orbital Methods 0.000 description 1
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- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
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Description
で表される繰り返し単位を有するエレクトロルミネスセンスポリマーを提供する。
で表されるビスフルオレニルシラン化合物を提供する。
本発明のELポリマーは、以下の式(1)で表される繰り返し単位を有する。
の2,7−ハロゲノフルオレン誘導体(特表平11−51535号公報の実施例1の製造操作参照)に、溶媒中(エーテル、トルエン等)でアルキルリチウム(好ましくはn−ブチルリチウム)を、好ましくは−20〜20℃で作用させ、更に、式(4)及び(5)のようなモノシランタイプの化合物を製造する場合には(R3R4)2SiY2(ここで、R3及びR4は、式(1)で定義した通りであり、Yは、塩素原子、臭素原子、ヨウ素原子、メトキシ基、エトキシ基等であり、好ましくは塩素原子またはメトキシ基である。)を、式(6)のようなジシランタイプの化合物を製造する場合には(R3R4)4Si2Y2(ここで、R3、R4及びYは、前述のとおりである。)を、式(9a)及び(9b)の化合物の合計量に対しその約半分のモル量で反応させることにより式(3)
で表されるビスフルオレニルシラン化合物を、中間原料として得る。この中間原料は、新規な化合物であり、本発明のELポリマーの製造原料として非常に有用である。ここで、式(3)の化合物の好ましいものとしては、R1、R2、R5及びR6がn−オクチル基であり、R3及びR4がフェニル基であり、qが1であり、Xが臭素原子であるもの(式(10));R1、R2、R5及びR6がn−オクチル基であり、R3及びR4がメチル基であり、qが1であり、Xが臭素原子であるもの(式(11));R1、R2、R5及びR6がn−オクチル基であり、R3及びR4がメチル基であり、qが2であり、Xが臭素原子であるもの(式(12));R1、R2、R5及びR6がn−オクチル基であり、R3及びR4がメシチル基であり、qが1であり、Xが臭素原子であるもの(式(13));そしてR1、R2、R5及びR6がn−オクチル基であり、R3及びR4がp−t−ブチルフェニル基であり、qが1であり、Xが臭素原子であるもの(式(14))が挙げられる。
で表される、2,7位にボロン構造を導入したフルオレン化合物と、必要に応じて式(2)のフルオレン化合物とを、パラジウム触媒(例えば、Pd(PPh3)4)と炭酸アルカリ(例えば、炭酸カリウム)とを溶媒(例えば、トルエン、THF、水等)中で、0〜100℃で反応させることにより、式(1)の繰り返し単位を有するELポリマーを製造できる。なお、式(15)の化合物は、式(2)の化合物に、アルキルリチウム(例えば、n−ブチルリチウム)の存在下で2−イソプロポキシ−4,4,5,5−テトラメチル−1,3,2−ジオキサボロランを溶媒(例えばヘキサン、THF)中、低温(例えば、−78℃)で反応させることにより製造できる(N. Miyaura and A. Suzuki, Chem. Rev, 1995, 95, 2457参照)。
(2,7−ジブロモ−9,9−ジオクチルフルオレンの合成)
還流冷却管を付した200ml三口フラスコに、2,7−ジブロモフルオレン10.0g(31.0mmol)、1−ブロモオクタン19.7g(89.0mmol)、ジメチルスルホキシド25ml、水酸化ナトリウム24.9g(623mmol)、水50mlを加え、80℃に加熱した。2,7−ジブロモフルオレンの溶解を確認した後、塩化ベンジルトリエチルアンモニウム608mg(2.66mmol)を加え、20時間加熱撹拌した。
(2,7位にボロン構造を導入した式(15)フルオレン化合物(R1=n−オクチル基)の合成)
窒素気流下、100ml滴下ロート、還流冷却管を備えた200ml三口フラスコに、2,7−ジブロモ−9,9−ジオクチルフルオレン8.20g(15.0mmol)、テトラヒドロフラン100mlを加えた。メタノール−ドライアイス浴を用いて、反応容器を−78℃に冷却した後、n−ブチルリチウム(1.58Mヘキサン溶液)28.0ml(44.2mmol)を滴下ロートより滴下した。−78℃を保持したまま約1時間の撹拌の後、2−イソプロポキシ−4,4,5,5−テトラメチル−1,3,2−ジオキサボロラン9.0ml(44mmol)を加え、メタノール−ドライアイス浴を外し約11時間の撹拌を行った。
(ビスフルオレニルジフェニルシランの合成)
7.67−7.14(m,22H), 1.90(t,J=7.5Hz,8H), 1.22−1.03(m,40H), 0.82(t,J=6.9Hz,12H), 0.61(brs,8H).
13C NMR(CDCl3,d);
153.2, 149.3, 141.4, 139.7, 136.2, 135.1, 134.7, 132.9, 130.7, 129.9, 129.5, 127.8, 126.1, 121.4, 121.3, 119.3, 55.4, 40.2, 31.9, 30.1, 29.40, 29.37, 24.0, 22.7, 14.2.
29Si NMR(CDCl3,d); −13.3.
FAB−MS; 1116(M+)
元素分析;
理論値C75.1%, H8.1% (for C70H90Br2Si)
実測値C75.5%, H8.1%
(ビスフルオレニルジメチルシランの合成)
7.67−7.14(m,12H), 1.93(brs,8H), 1.23−1.05(m,40H), 0.823(t,J=6.9Hz,12H), 0.62(brs,14H).
13C NMR(CDCl3,d);
153.0, 149.3, 140.8, 139.9, 137.3, 132.9, 129.8, 128.3, 126.1, 121.12, 121.07, 119.0, 55.4, 40.1, 31.9, 30.0, 29.28, 29.25, 23.8, 22.7, 14.2, −1.68.
29Si NMR(CDCl3,d); −7.08.
FAB−MS; 992(M+).
元素分析;
理論値 C72.4%, H8.7%(for C60H86Br2Si)
実測値 C73.3%, H8.9%.
(1,2−ビスフルオレニルテトラメチルジシランの合成)
7.68−7.31(m,12H), 1.93(t,J=7.5Hz,8H), 1.270.93(m,0H), 0.826(t,J=6.9Hz,12H), 0.64(brs,8H), 0.37(s,12H).
13C NMR(CDCl3,d);
152.8, 149.3, 140.3, 140.0, 138.1, 132.2, 129.8, 127.9, 126.1, 121.1, 121.0, 119.0, 55.3, 40.3, 31.9, 30.1, 29.4, 29.3, 23.8, 22.7, 14.2, −3.8.
29Si NMR(CDCl3,d); 21.3.
FAB−MS; 1050 (M+).
元素分析
理論値C70.7%, H8.8% (for C62H92Br2Si2)
実測値 C71.3%, H8.9%.
(ビスフルオレニルジt-ブチルフェニルシランの合成))
7.65−7.34(m,20H), 1.90(brs,8H), 1.32(s,18H), 1.28−0.83(m,40H), 0.83(t,J=6.9Hz,12H), 0.62(brs,8H).
13C NMR(CDCl3,d);
153.7, 152.3, 149.1, 141.2, 139.9, 136.0, 135.2, 133.5, 131.3, 130.7, 128.1, 126.1, 124.7, 121.3, 121.2, 119.2, 55.4, 40.3, 34.7, 31.9, 31.3, 30.2, 29.50, 29.46, 24.0, 22.8, 14.2
29Si NMR(CDCl3,d); −13.9
FAB−MS; 1228(M+).
元素分析;
理論値 C76.1%, H8.6%(for C78H106Br2Si)
実測値 C76.4%, H8.6%.
(ビスフルオレニルジメシチルシランの合成))
7.70−7.40(m,12H), 6.83(s,4H), 2.34(s,12H), 2.26(s,6H), 1.91(brs,8H), 1.25−0.90(m,40H), 0.82(t,J=6.9Hz,12H), 0.60(brs,8H).
13C NMR(CDCl3,d);
153.0, 149.3, 146.0, 144.3, 140.9, 139.8, 136.5, 134.5, 130.3, 129.8, 129.4, 129.1, 126.1, 121.3, 121.1, 119.2, 55.5, 40.3, 31.9, 30.1, 29.4, 29.3, 26.1, 24.0, 22.8, 21.2, 14.2
29Si NMR(CDCl3,d); −16.7
FAB−MS; 1081(M+−Mes).
元素分析;
理論値 C75.9%, H8.5%(for C76H102Br2Si)
実測値 C75.3%, H8.7%.
(フルオレンポリマーの合成(SiPhモノマー含有率10%))
(フルオレンポリマーの合成(SiPhモノマー含有率25%))
(フルオレンポリマーの合成(-Si(Ph)2-モノマー含有率50%))
(フルオレンポリマーの合成(-Si(Me)2-モノマー含有率25%))
(フルオレンポリマーの合成(-Si(tBuPh)2モノマー含有率10%)
(フルオレンポリマーの合成(-Si(tBuPh)2モノマー含有率25%)
(フルオレンポリマーの合成(-Si(Mes)2モノマー含有率25%)
ビス(7−ブロモ−9,9−ジオクチルフルオレニル)ジフェニルシランを使用しない以外は、実施例6と同様の操作を繰り返すことにより、式(2)のフルオレン単位のみからなるポリ(9,9−ジオクチルフルオレン)を得た。このポリマーは、重量平均分子量37097を示した。
ELポリマーのELスペクトルは、その蛍光スペクトルとほぼ同じ形状を示すことが知られている。従って、ELスペクトルを直接評価するのではなく、それと正の相関を示す蛍光スペクトルを調べることにより、ELポリマーの特性を以下に説明するように評価した。
実施例6〜12及び比較例1のELポリマーについて、そのトルエン溶液(0.5wt%)を、回転速度が制御されたスピンコーターにて石英ガラス上に乾燥厚で100nmとなるように塗布した。塗布後、紫外可視吸収スペクトルを測定し、最大吸収波長で励起した時のフォトルミネスセンス(蛍光)スペクトルを測定した。その後、ELポリマーフィルムを減圧(0.1mmHg(13.3Pa))下で、50℃で1時間、続いて100℃で1時間加熱し、室温に戻したものを同様に測定した。測定結果を図1〜8に示す。
ITO(インジウム−酸化錫)[200nm厚、シート抵抗10Ω/sq以下、透過率80%以上]で被覆されたガラス基材を市販の洗浄剤で超音波処理し、次いで脱イオン水にてリンスし、続いてアセトン、そしてIPA(イソプロピルアルコール)で超音波処理、最後にIPAにて煮沸し脱脂処理を施した。その後、エキシマー照射装置にて数分間晒した。
Claims (22)
- 式(1)において、R1、R2、R5及びR6がそれぞれ独立的に取りうる置換基が、アルキル基、アルケニル基、アルキニル基、アラルキル基、アリール基、ヘテロアリール基、アルコキシ基、アリールオキシ基又は脂肪族ヘテロ環基である請求項1記載のエレクトロルミネスセンスポリマー。
- 式(1)において、R1、R2、R5及びR6がそれぞれ独立的にアルキル基又はアリール基であり、R3及びR4がアリール基であり、qが1である請求項1記載のエレクトロルミネスセンスポリマー。
- 式(1)において、R1、R2、R5及びR6がそれぞれ独立的にアルキル基又はアリール基であり、R3及びR4がフェニル基でり、qが1である請求項1記載のエレクトロルミネスセンスポリマー。
- 式(1)において、R1、R2、R5及びR6がn−オクチル基であり、R3及びR4がフェニル基であり、qが1である請求項1記載のエレクトロルミネスセンスポリマー。
- 式(1)において、R1、R2、R5及びR6がそれぞれ独立的にアルキル基又はアリール基であり、R3及びR4がアルキル基である請求項1記載のエレクトロルミネスセンスポリマー。
- 式(1)において、R1、R2、R5及びR6がそれぞれ独立的にアルキル基又はアリール基であり、R3及びR4がメチル基である請求項1記載のエレクトロルミネスセンスポリマー。
- 式(1)において、R1、R2、R5及びR6がn−オクチル基であり、R3及びR4がメチル基である請求項1記載のエレクトロルミネスセンスポリマー。
- 式(1)の繰り返し単位を少なくとも0.1モル%以上含有する請求項1〜8のいずれかに記載のエレクトロルミネスセンスポリマー。
- 式(2)において、R7及びR8がそれぞれ独立的にアルキル基、アルケニル基、アルキニル基、アラルキル基、アリール基、ヘテロアリール基、アルコキシ基、アリールオキシ基又は脂肪族ヘテロ環基である請求項10記載のエレクトロルミネスセンスポリマー。
- 式(2)において、R7及びR8がそれぞれ独立的にアルキル基又はアリール基である請求項10記載のエレクトロルミネスセンスポリマー。
- 式(2)において、R7及びR8がn−オクチル基である請求項10記載のエレクトロルミネスセンスポリマー。
- 式(3)において、R1、R2、R5及びR6がそれぞれ独立的にアルキル基、アルケニル基、アルキニル基、アラルキル基、アリール基、ヘテロアリール基、アルコキシ基、アリールオキシ基又は脂肪族ヘテロ環基である請求項14記載のビスフルオレニルシラン化合物。
- 式(3)において、R1、R2、R5及びR6がそれぞれ独立的にアルキル基又はアリール基であり、R3及びR4がアリール基であり、qが1である請求項14記載のビスフルオレニルシラン化合物。
- 式(3)において、R1、R2、R5及びR6がそれぞれ独立的にアルキル基又はアリール基であり、R3及びR4がフェニル基であり、qが1である請求項14記載のビスフルオレニルシラン化合物。
- 式(3)において、R1、R2、R5及びR6がn−オクチル基であり、R3及びR4がフェニル基であり、qが1であり、Xが臭素原子である請求項14記載のビスフルオレニルシラン化合物。
- 式(3)において、R1、R2、R5及びR6がそれぞれ独立的にアルキル基又はアリール基であり、R3及びR4がアルキル基である請求項14記載のビスフルオレニルシラン化合物。
- 式(3)において、R1、R2、R5及びR6がそれぞれ独立的にアルキル基又はアリール基であり、R3及びR4がメチル基である請求項14記載のビスフルオレニルシラン化合物。
- 式(3)において、R1、R2、R5及びR6がn−オクチル基であり、R3及びR4がメチル基であり、Xが臭素原子である請求項14記載のビスフルオレニルシラン化合物。
- 請求項1〜13のいずれかに記載のエレクトロルミネスセンスポリマーからなる発光層が一対の電極に挟持されている有機エレクトロルミネスセンス素子。
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JP2003350152A JP3876872B2 (ja) | 2002-10-15 | 2003-10-08 | エレクトロルミネスセンスポリマー、ビスフルオレニルシラン化合物及び有機el素子 |
KR1020047009959A KR100847709B1 (ko) | 2002-10-15 | 2003-10-14 | 일렉트로루미네선스 폴리머, 비스플루오레닐실란 화합물및 유기 일렉트로루미네선스 소자 |
US10/496,875 US7135242B2 (en) | 2002-10-15 | 2003-10-14 | Electroluminescent polymer, bisfluorenylsilane compound and organic electroluminescent element |
PCT/JP2003/013136 WO2004035652A1 (ja) | 2002-10-15 | 2003-10-14 | エレクトロルミネスセンスポリマー、ビスフルオレニルシラン化合物及び有機エレクトロルミネスセンス素子 |
AU2003271189A AU2003271189A1 (en) | 2002-10-15 | 2003-10-14 | Electroluminescent polymers, bisfluorenylsilanes, and organic electroluminescent devices |
EP03751486A EP1553119A4 (en) | 2002-10-15 | 2003-10-14 | ELECTROLUMINESCENT POLYMERS, BISFLUORENYLSILANE AND ORGANIC ELECTROLUMINESCENT DEVICES |
TW092128531A TWI255275B (en) | 2002-10-15 | 2003-10-15 | Electroluminescent polymer, bis-fluorenylsilane compound and organic electroluminescent element |
HK06112751.8A HK1092155A1 (en) | 2002-10-15 | 2006-03-16 | A bisfluorenylsilane compound |
HK06103360A HK1082516A1 (en) | 2002-10-15 | 2006-03-16 | Electroluminescent polymers, bisfluorenylsilanes and organic electroluminescent devices |
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US (1) | US7135242B2 (ja) |
EP (1) | EP1553119A4 (ja) |
JP (1) | JP3876872B2 (ja) |
KR (1) | KR100847709B1 (ja) |
AU (1) | AU2003271189A1 (ja) |
HK (2) | HK1092155A1 (ja) |
TW (1) | TWI255275B (ja) |
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CN1836023B (zh) * | 2003-08-21 | 2010-06-16 | 柯尼卡美能达控股株式会社 | 有机电致发光元件、显示装置及照明装置 |
DE102004023278A1 (de) | 2004-05-11 | 2005-12-08 | Covion Organic Semiconductors Gmbh | Elektrolumineszierende Polymere |
GB2442655B (en) * | 2005-06-22 | 2010-05-05 | Sumitomo Chemical Co | Polymeric material and polymeric luminescent element |
KR101337519B1 (ko) * | 2006-08-24 | 2013-12-05 | 삼성디스플레이 주식회사 | 플루오렌계 화합물 및 이를 이용한 유기 전계 발광 소자 |
MX2009010727A (es) * | 2007-04-04 | 2009-10-26 | Hoffmann La Roche | Heterociclos como antagonistas de orexina. |
KR20110137298A (ko) * | 2009-01-30 | 2011-12-22 | 휴렛-팩커드 디벨롭먼트 컴퍼니, 엘.피. | Uv 발광성 플루오렌계 공중합체 |
CN102612764B (zh) | 2009-09-30 | 2015-09-30 | 住友化学株式会社 | 层叠结构体、聚合物、场致发光元件及光电转换元件 |
GB2484253B (en) * | 2010-05-14 | 2013-09-11 | Cambridge Display Tech Ltd | Organic light-emitting composition and device |
JP6641845B2 (ja) * | 2015-09-30 | 2020-02-05 | 日立化成株式会社 | 電荷輸送性材料、該材料を用いたインキ組成物、有機エレクトロニクス素子、有機エレクトロルミネセンス素子、表示素子、照明装置、及び表示装置 |
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JP2001335639A (ja) | 2000-05-30 | 2001-12-04 | Sumitomo Electric Ind Ltd | 可視光伝導性ケイ素系高分子およびその製造方法 |
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KR20050036903A (ko) | 2005-04-20 |
TWI255275B (en) | 2006-05-21 |
HK1082516A1 (en) | 2006-06-09 |
TW200420600A (en) | 2004-10-16 |
WO2004035652A1 (ja) | 2004-04-29 |
HK1092155A1 (en) | 2007-02-02 |
EP1553119A1 (en) | 2005-07-13 |
US20050079382A1 (en) | 2005-04-14 |
JP2004156027A (ja) | 2004-06-03 |
US7135242B2 (en) | 2006-11-14 |
KR100847709B1 (ko) | 2008-07-23 |
AU2003271189A1 (en) | 2004-05-04 |
EP1553119A4 (en) | 2011-05-25 |
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