JPWO2008108260A1 - 発光素子 - Google Patents
発光素子 Download PDFInfo
- Publication number
- JPWO2008108260A1 JPWO2008108260A1 JP2008516648A JP2008516648A JPWO2008108260A1 JP WO2008108260 A1 JPWO2008108260 A1 JP WO2008108260A1 JP 2008516648 A JP2008516648 A JP 2008516648A JP 2008516648 A JP2008516648 A JP 2008516648A JP WO2008108260 A1 JPWO2008108260 A1 JP WO2008108260A1
- Authority
- JP
- Japan
- Prior art keywords
- group
- light emitting
- aryl
- heteroaryl
- derivatives
- 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.)
- Granted
Links
- -1 pyrene compound Chemical class 0.000 claims abstract description 35
- 125000003118 aryl group Chemical group 0.000 claims abstract description 31
- 125000001072 heteroaryl group Chemical group 0.000 claims abstract description 30
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 17
- BBEAQIROQSPTKN-UHFFFAOYSA-N antipyrene Natural products C1=CC=C2C=CC3=CC=CC4=CC=C1C2=C43 BBEAQIROQSPTKN-UHFFFAOYSA-N 0.000 claims abstract description 17
- GVEPBJHOBDJJJI-UHFFFAOYSA-N fluoranthrene Natural products C1=CC(C2=CC=CC=C22)=C3C2=CC=CC3=C1 GVEPBJHOBDJJJI-UHFFFAOYSA-N 0.000 claims abstract description 17
- 125000000623 heterocyclic group Chemical group 0.000 claims abstract description 14
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 14
- 239000001257 hydrogen Substances 0.000 claims abstract description 14
- 125000001424 substituent group Chemical group 0.000 claims abstract description 13
- 125000002619 bicyclic group Chemical group 0.000 claims abstract description 12
- 125000000753 cycloalkyl group Chemical group 0.000 claims abstract description 12
- 125000003545 alkoxy group Chemical group 0.000 claims abstract description 9
- 125000005013 aryl ether group Chemical group 0.000 claims abstract description 9
- 125000003342 alkenyl group Chemical group 0.000 claims abstract description 8
- 125000000304 alkynyl group Chemical group 0.000 claims abstract description 8
- 125000004430 oxygen atom Chemical group O* 0.000 claims abstract description 8
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 claims abstract description 8
- 125000004414 alkyl thio group Chemical group 0.000 claims abstract description 7
- 125000003277 amino group Chemical group 0.000 claims abstract description 7
- 125000000392 cycloalkenyl group Chemical group 0.000 claims abstract description 7
- 125000004434 sulfur atom Chemical group 0.000 claims abstract description 7
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 6
- 150000001875 compounds Chemical class 0.000 claims description 41
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 22
- 229910052757 nitrogen Inorganic materials 0.000 claims description 17
- 229910052799 carbon Inorganic materials 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 125000004429 atom Chemical group 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 239000011574 phosphorus Substances 0.000 claims description 2
- 150000002431 hydrogen Chemical class 0.000 claims 4
- 125000000101 thioether group Chemical group 0.000 claims 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 104
- 125000004435 hydrogen atom Chemical class [H]* 0.000 abstract description 10
- 150000004832 aryl thioethers Chemical group 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 50
- 230000032258 transport Effects 0.000 description 39
- 239000002019 doping agent Substances 0.000 description 25
- 238000000034 method Methods 0.000 description 22
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 18
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 15
- 230000015572 biosynthetic process Effects 0.000 description 15
- 238000003786 synthesis reaction Methods 0.000 description 15
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- 229910052751 metal Inorganic materials 0.000 description 12
- 239000002184 metal Substances 0.000 description 12
- 239000000758 substrate Substances 0.000 description 12
- 239000011521 glass Substances 0.000 description 10
- 230000005525 hole transport Effects 0.000 description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 239000012044 organic layer Substances 0.000 description 9
- 239000007787 solid Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- 239000010409 thin film Substances 0.000 description 8
- 0 CC*1C(c2cccc3c2cccc3)=CC(c2c(cccc3)c3ccc2)=C1C=C(C)C(c1cccc2c1cccc2)=CC(c1cccc2ccccc12)=C Chemical compound CC*1C(c2cccc3c2cccc3)=CC(c2c(cccc3)c3ccc2)=C1C=C(C)C(c1cccc2c1cccc2)=CC(c1cccc2ccccc12)=C 0.000 description 7
- 239000010408 film Substances 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 125000001931 aliphatic group Chemical group 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 6
- 238000011160 research Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 6
- 238000007740 vapor deposition Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Natural products C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 5
- 238000010894 electron beam technology Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 5
- 150000004866 oxadiazoles Chemical class 0.000 description 5
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229940027991 antiseptic and disinfectant quinoline derivative Drugs 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 150000003220 pyrenes Chemical class 0.000 description 4
- 150000003248 quinolines Chemical class 0.000 description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 4
- JRCJYPMNBNNCFE-UHFFFAOYSA-N 1,6-dibromopyrene Chemical compound C1=C2C(Br)=CC=C(C=C3)C2=C2C3=C(Br)C=CC2=C1 JRCJYPMNBNNCFE-UHFFFAOYSA-N 0.000 description 3
- UJOBWOGCFQCDNV-UHFFFAOYSA-N Carbazole Natural products C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 125000002029 aromatic hydrocarbon group Chemical group 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 229910052738 indium Inorganic materials 0.000 description 3
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- IBHBKWKFFTZAHE-UHFFFAOYSA-N n-[4-[4-(n-naphthalen-1-ylanilino)phenyl]phenyl]-n-phenylnaphthalen-1-amine Chemical group C1=CC=CC=C1N(C=1C2=CC=CC=C2C=CC=1)C1=CC=C(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C3=CC=CC=C3C=CC=2)C=C1 IBHBKWKFFTZAHE-UHFFFAOYSA-N 0.000 description 3
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 125000005581 pyrene group Chemical group 0.000 description 3
- 238000006862 quantum yield reaction Methods 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 229910000404 tripotassium phosphate Inorganic materials 0.000 description 3
- 235000019798 tripotassium phosphate Nutrition 0.000 description 3
- BIWQNIMLAISTBV-UHFFFAOYSA-N (4-methylphenyl)boronic acid Chemical compound CC1=CC=C(B(O)O)C=C1 BIWQNIMLAISTBV-UHFFFAOYSA-N 0.000 description 2
- NGQSLSMAEVWNPU-YTEMWHBBSA-N 1,2-bis[(e)-2-phenylethenyl]benzene Chemical class C=1C=CC=CC=1/C=C/C1=CC=CC=C1\C=C\C1=CC=CC=C1 NGQSLSMAEVWNPU-YTEMWHBBSA-N 0.000 description 2
- HBMLTIXJDVRTTE-UHFFFAOYSA-N 1,6-bis(4-methylphenyl)pyrene Chemical compound C1=CC(C)=CC=C1C1=CC=C(C=C2)C3=C4C2=C(C=2C=CC(C)=CC=2)C=CC4=CC=C13 HBMLTIXJDVRTTE-UHFFFAOYSA-N 0.000 description 2
- FLBAYUMRQUHISI-UHFFFAOYSA-N 1,8-naphthyridine Chemical compound N1=CC=CC2=CC=CN=C21 FLBAYUMRQUHISI-UHFFFAOYSA-N 0.000 description 2
- JFJNVIPVOCESGZ-UHFFFAOYSA-N 2,3-dipyridin-2-ylpyridine Chemical compound N1=CC=CC=C1C1=CC=CN=C1C1=CC=CC=N1 JFJNVIPVOCESGZ-UHFFFAOYSA-N 0.000 description 2
- JWHJQTXGCAPMKL-UHFFFAOYSA-N 3-bromo-1,6-bis(4-methylphenyl)pyrene Chemical compound C1=CC(C)=CC=C1C1=CC=C(C=C2)C3=C4C2=C(C=2C=CC(C)=CC=2)C=C(Br)C4=CC=C13 JWHJQTXGCAPMKL-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- ROFVEXUMMXZLPA-UHFFFAOYSA-N Bipyridyl Chemical compound N1=CC=CC=C1C1=CC=CC=N1 ROFVEXUMMXZLPA-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- SIKJAQJRHWYJAI-UHFFFAOYSA-N Indole Chemical group C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-Diisopropylethylamine (DIPEA) Chemical compound CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 description 2
- PCLIMKBDDGJMGD-UHFFFAOYSA-N N-bromosuccinimide Chemical compound BrN1C(=O)CCC1=O PCLIMKBDDGJMGD-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- KYQCOXFCLRTKLS-UHFFFAOYSA-N Pyrazine Chemical compound C1=CN=CC=N1 KYQCOXFCLRTKLS-UHFFFAOYSA-N 0.000 description 2
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 2
- NRCMAYZCPIVABH-UHFFFAOYSA-N Quinacridone Chemical class N1C2=CC=CC=C2C(=O)C2=C1C=C1C(=O)C3=CC=CC=C3NC1=C2 NRCMAYZCPIVABH-UHFFFAOYSA-N 0.000 description 2
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000007983 Tris buffer Substances 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- FEYIGAFESXWVOX-UHFFFAOYSA-N [3,5-bis(4-tert-butylphenyl)-1h-pyrrol-2-yl]-(4-methoxyphenyl)methanone Chemical compound C1=CC(OC)=CC=C1C(=O)C1=C(C=2C=CC(=CC=2)C(C)(C)C)C=C(C=2C=CC(=CC=2)C(C)(C)C)N1 FEYIGAFESXWVOX-UHFFFAOYSA-N 0.000 description 2
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 2
- 125000002723 alicyclic group Chemical group 0.000 description 2
- 150000004982 aromatic amines Chemical class 0.000 description 2
- WZJYKHNJTSNBHV-UHFFFAOYSA-N benzo[h]quinoline Chemical group C1=CN=C2C3=CC=CC=C3C=CC2=C1 WZJYKHNJTSNBHV-UHFFFAOYSA-N 0.000 description 2
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical group C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 2
- 229910052792 caesium Inorganic materials 0.000 description 2
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 150000001716 carbazoles Chemical class 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 150000004775 coumarins Chemical class 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 238000002189 fluorescence spectrum Methods 0.000 description 2
- 229910017053 inorganic salt Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 150000005054 naphthyridines Chemical class 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 125000002971 oxazolyl group Chemical group 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- YJVFFLUZDVXJQI-UHFFFAOYSA-L palladium(ii) acetate Chemical compound [Pd+2].CC([O-])=O.CC([O-])=O YJVFFLUZDVXJQI-UHFFFAOYSA-L 0.000 description 2
- DGBWPZSGHAXYGK-UHFFFAOYSA-N perinone Chemical class C12=NC3=CC=CC=C3N2C(=O)C2=CC=C3C4=C2C1=CC=C4C(=O)N1C2=CC=CC=C2N=C13 DGBWPZSGHAXYGK-UHFFFAOYSA-N 0.000 description 2
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 2
- 150000005041 phenanthrolines Chemical class 0.000 description 2
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 description 2
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical class N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229920000767 polyaniline Polymers 0.000 description 2
- 229920002098 polyfluorene Polymers 0.000 description 2
- 229920000123 polythiophene Polymers 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 125000004076 pyridyl group Chemical group 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 description 2
- XSCHRSMBECNVNS-UHFFFAOYSA-N quinoxaline Chemical compound N1=CC=NC2=CC=CC=C21 XSCHRSMBECNVNS-UHFFFAOYSA-N 0.000 description 2
- 150000003252 quinoxalines Chemical class 0.000 description 2
- 238000010898 silica gel chromatography Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical class C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 description 2
- 229940042055 systemic antimycotics triazole derivative Drugs 0.000 description 2
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 239000011135 tin Substances 0.000 description 2
- OVTCUIZCVUGJHS-VQHVLOKHSA-N trans-dipyrrin Chemical group C=1C=CNC=1/C=C1\C=CC=N1 OVTCUIZCVUGJHS-VQHVLOKHSA-N 0.000 description 2
- TVIVIEFSHFOWTE-UHFFFAOYSA-K tri(quinolin-8-yloxy)alumane Chemical compound [Al+3].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 TVIVIEFSHFOWTE-UHFFFAOYSA-K 0.000 description 2
- 150000003852 triazoles Chemical class 0.000 description 2
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- 229920005596 polymer binder Polymers 0.000 description 1
- 239000002491 polymer binding agent Substances 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 229920006295 polythiol Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 150000004033 porphyrin derivatives Chemical class 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 125000004309 pyranyl group Chemical group O1C(C=CC=C1)* 0.000 description 1
- 150000003216 pyrazines Chemical class 0.000 description 1
- 125000003373 pyrazinyl group Chemical group 0.000 description 1
- 150000003219 pyrazolines Chemical class 0.000 description 1
- 125000001725 pyrenyl group Chemical group 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- JOZPEVMCAKXSEY-UHFFFAOYSA-N pyrimido[5,4-d]pyrimidine Chemical group N1=CN=CC2=NC=NC=C21 JOZPEVMCAKXSEY-UHFFFAOYSA-N 0.000 description 1
- RQGPLDBZHMVWCH-UHFFFAOYSA-N pyrrolo[3,2-b]pyrrole Chemical class C1=NC2=CC=NC2=C1 RQGPLDBZHMVWCH-UHFFFAOYSA-N 0.000 description 1
- FYNROBRQIVCIQF-UHFFFAOYSA-N pyrrolo[3,2-b]pyrrole-5,6-dione Chemical class C1=CN=C2C(=O)C(=O)N=C21 FYNROBRQIVCIQF-UHFFFAOYSA-N 0.000 description 1
- 150000005255 pyrrolopyridines Chemical class 0.000 description 1
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical compound C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 description 1
- 150000004322 quinolinols Chemical class 0.000 description 1
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical class [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 1
- YYMBJDOZVAITBP-UHFFFAOYSA-N rubrene Chemical group C1=CC=CC=C1C(C1=C(C=2C=CC=CC=2)C2=CC=CC=C2C(C=2C=CC=CC=2)=C11)=C(C=CC=C2)C2=C1C1=CC=CC=C1 YYMBJDOZVAITBP-UHFFFAOYSA-N 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000005361 soda-lime glass Substances 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
- 150000003440 styrenes Chemical class 0.000 description 1
- 125000001935 tetracenyl group Chemical group C1(=CC=CC2=CC3=CC4=CC=CC=C4C=C3C=C12)* 0.000 description 1
- VLLMWSRANPNYQX-UHFFFAOYSA-N thiadiazole Chemical compound C1=CSN=N1.C1=CSN=N1 VLLMWSRANPNYQX-UHFFFAOYSA-N 0.000 description 1
- 150000004867 thiadiazoles Chemical class 0.000 description 1
- GNXPUXGOQIHJLJ-UHFFFAOYSA-N thiadiazolo[4,5-b]pyridine Chemical group C1=CN=C2N=NSC2=C1 GNXPUXGOQIHJLJ-UHFFFAOYSA-N 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 150000003577 thiophenes Chemical class 0.000 description 1
- NZFNXWQNBYZDAQ-UHFFFAOYSA-N thioridazine hydrochloride Chemical class Cl.C12=CC(SC)=CC=C2SC2=CC=CC=C2N1CCC1CCCCN1C NZFNXWQNBYZDAQ-UHFFFAOYSA-N 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 150000001651 triphenylamine derivatives Chemical class 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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Abstract
Description
また、アルカリ金属やアルカリ土類金属などの金属と混合して用いることも可能である。電子輸送層のイオン化ポテンシャルは、特に限定されないが、好ましくは5.8eV以上8.0eV以下であり、より好ましくは6.0eV以上7.5eV以下である。
化合物[13]の合成
1−ブロモピレン15gを四塩化炭素400mLに溶解し、窒素雰囲気下、臭素2.7mLの四塩化炭素溶液100mLを滴下し、12時間室温にて攪拌した。析出した固体をろ取し、メタノールで洗浄した。得られた固体をトルエンで再結晶を繰り返し、1,6−ジブロモピレン5.7gを得た。
化合物[26]の合成
上記と同様にして得た1,6−ジブロモピレン1.0gに2−ベンゾフランボロン酸1.4g、リン酸三カリウム3.0g、テトラn−ブチルアンモニウムブロミド0.45g、N,N−ジメチルホルムアミド30mLを加え、減圧脱気後、窒素雰囲気下とした。混合溶液に酢酸パラジウム42mgを加え、130℃にて5時間攪拌した。室温に冷却した後、水200mLに注ぎ込み、析出した固体をろ取した。得られた固体を熱1,3−ジメチル−2−イミダゾリジノンに溶解し、セライトを用いて熱時ろ過した。室温に冷却後、析出した固体をろ取した。得られた固体を、N,N−ジメチルホルムアミドで洗浄し、化合物[26]0.71gを得た。
化合物[157]の合成
特開2005−53900号公報記載の方法に従い合成した。2−(4−メトキシベンゾイル)−3,5−ビス(4−t−ブチルフェニル)ピロール4.7g、2,4−ビス(4−t−ブチルフェニル)ピロール3.3gを1,2−ジクロロエタン30mLに溶解し、オキシ塩化リン1.5gを加え、加熱環流下12時間反応させた。室温に冷却後、ジイソプロピルエチルアミン5.2g、三フッ化ホウ素ジエチルエーテル錯体5.6gを加え、6時間攪拌した。50mlの水を加え、ジクロロメタンを投入後、有機層を抽出し、濃縮した。粗生成物をシリカゲルカラムクロマトグラフィーにより精製し、化合物[157]5.0gを得た。
化合物[158]の合成
2−(4−メトキシベンゾイル)−3,5−ビス(4−t−ブチルフェニル)ピロールの代わりに2−(2−メトキシベンゾイル)−3,5−ビス(4−t−ブチルフェニル)ピロールを用いた以外は合成例3と同様の方法で合成し、化合物[158]を得た。
化合物[36]の合成
2−(3−t−ブチルフェニル)−4,4,5,5−テトラメチル1,3,2−ジオキサボロランの代わりに4−メチルフェニルボロン酸を用いた以外は合成例5と同様の方法で合成し、化合物[36]を得た。
化合物[13]および化合物[158]を用いた発光素子を次のように作製した。ITO透明導電膜を125nm堆積させたガラス基板(旭硝子(株)製、15Ω/□、電子ビーム蒸着品)を30×40mmに切断し、ITO導電膜をフォトリソグラフィー法によりパターン加工して、発光部分および電極引き出し部分を作製した。得られた基板をアセトン、“セミコクリン56”(フルウチ化学(株)製)で15分間超音波洗浄してから、超純水で洗浄した。続いて、イソプロピルアルコールで15分間超音波洗浄してから熱メタノールに15分間浸漬させて乾燥させた。素子を作製する直前にこの基板を1時間UV−オゾン処理し、さらに真空蒸着装置内に設置して、装置内の真空度が5×10−5Pa以下になるまで排気した。抵抗加熱法によって、まず正孔注入材料として、銅フタロシアニンを10nm、正孔輸送材料として、4,4’−ビス(N−(1−ナフチル)−N−フェニルアミノ)ビフェニルを50nm蒸着した。次に、発光材料として、ホスト材料として化合物[13]を、ドーパント材料として化合物[158](ジクロロメタン希薄溶液状態での蛍光ピーク波長:612nm)をドープ濃度が1%になるように40nmの厚さに蒸着した。次に、電子輸送材料として、下記に示すE−1を35nmの厚さに積層した。次に、フッ化リチウムを0.5nm蒸着した後、アルミニウムを1000nm蒸着して陰極とし、5×5mm角の素子を作製した。ここで言う膜厚は、水晶発振式膜厚モニター表示値である。この発光素子からは、発光効率3.0lm/Wの高効率赤色発光が得られた。この発光素子は、40mA/cm2で直流駆動したところ、輝度半減時間は2,500時間であった。
ホスト材料として下記に示すH−1を用いた以外は、実施例1と同様にして発光素子を作製した。この素子からは、発光効率0.8lm/Wの桃色発光が得られた。この発光素子は、40mA/cm2で直流駆動したところ、輝度半減時間は400時間であった。
ホスト材料として1,4−ジケト−2,5−ビス(3,5−ジメチルベンジル)−3,6−ビス(4−メチルフェニル)ピロロ[3,4−c]ピロール(以下、H−2とする)を用いた以外は、実施例1と同様にして発光素子を作製した。この素子からは、発光効率2.5lm/Wの赤色発光が得られた。この発光素子は、40mA/cm2で直流駆動したところ、輝度半減時間は500時間であった。
ホスト材料、ドーパント材料、電子輸送材料として表1に示す材料を用いた以外は、実施例1と同様にして発光素子を作製した。各実施例の結果は表1に示した。なお、表1中、化合物[128]はPyrromethene546(Exciton Inc.社製)を用いた。また、表1中、D−1〜D−4およびE−2〜E−6は下記式で表される化合物である。
ドーパント材料として下記に示すD−5(ジクロロメタン希薄溶液状態での蛍光ピーク波長:553nm)をドープ濃度が5%になるように用いた以外は、実施例3と同様にして発光素子を作製した。この素子からは、発光効率2.1m/Wの橙色発光が得られた。この発光素子は、40mA/cm2で直流駆動したところ、輝度半減時間は2,000時間であった。
ドーパント材料として下記に示すD−6(ジクロロメタン希薄溶液状態での蛍光ピーク波長:686nm)を用いた以外は、実施例3と同様にして発光素子を作製した。この素子からは、発光効率0.5m/Wの赤色発光が得られた。この発光素子は、40mA/cm2で直流駆動したところ、輝度半減時間は950時間であった。
電子輸送材料として、上記に示すE−1を35nmの厚さに積層する代わりに、第一電子輸送材料として下記に示すE−7を25nmの厚さに積層し、続いて第二電子輸送材料としてE−1を10nmの厚さに積層した以外は、実施例3と同様にして発光素子を作製した。この素子からは、発光効率5.2lm/Wの高効率赤色発光が得られた。この発光素子は、40mA/cm2で直流駆動したところ、輝度半減時間は6000時間であった。
Claims (6)
- 陽極と陰極との間に少なくとも発光層が存在し、電気エネルギーにより発光する素子であって、該素子の発光層は一般式(1)で表されるピレン化合物と蛍光ピーク波長が500nm以上680nm以下の有機蛍光物質を含むことを特徴とする発光素子。
- Xが酸素原子であることを特徴とする請求項1記載の発光素子。
- R1、R3、R6、R8のうち少なくとも1つが二環式ベンゾへテロ環との連結に用いられることを特徴とする請求項1記載の発光素子。
- R1〜R10のうち少なくとも1つがアリール基またはヘテロアリール基であることを特徴とする請求項1記載の発光素子。
- 蛍光ピーク波長が500nm以上680nm以下の有機蛍光物質が一般式(2)で表されるピロメテン骨格を有する化合物であることを特徴とする請求項1記載の発光素子。
- 発光層と陰極の間にさらに少なくとも電子輸送層が存在し、電子輸送層が電子受容性窒素を有するヘテロアリール環からなる化合物を含有し、ヘテロアリール環からなる化合物が炭素、水素、窒素、酸素、ケイ素、リンから選ばれる元素で構成されていることを特徴とする請求項1記載の発光素子。
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