CN112745229A - 一种具有优异性能的空穴传输材料及含有该材料的有机电致发光器件 - Google Patents
一种具有优异性能的空穴传输材料及含有该材料的有机电致发光器件 Download PDFInfo
- Publication number
- CN112745229A CN112745229A CN201911054409.0A CN201911054409A CN112745229A CN 112745229 A CN112745229 A CN 112745229A CN 201911054409 A CN201911054409 A CN 201911054409A CN 112745229 A CN112745229 A CN 112745229A
- Authority
- CN
- China
- Prior art keywords
- group
- unsubstituted
- substituted
- mol
- hole transport
- 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
- 239000000463 material Substances 0.000 title claims abstract description 94
- 230000005525 hole transport Effects 0.000 title claims abstract description 69
- 125000002029 aromatic hydrocarbon group Chemical group 0.000 claims abstract description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 102
- 150000001875 compounds Chemical class 0.000 claims description 69
- 239000000706 filtrate Substances 0.000 claims description 49
- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical compound [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 claims description 44
- BWHDROKFUHTORW-UHFFFAOYSA-N tritert-butylphosphane Chemical compound CC(C)(C)P(C(C)(C)C)C(C)(C)C BWHDROKFUHTORW-UHFFFAOYSA-N 0.000 claims description 44
- 239000012074 organic phase Substances 0.000 claims description 39
- 238000004440 column chromatography Methods 0.000 claims description 35
- 239000000243 solution Substances 0.000 claims description 26
- 238000001914 filtration Methods 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- CYPYTURSJDMMMP-WVCUSYJESA-N (1e,4e)-1,5-diphenylpenta-1,4-dien-3-one;palladium Chemical compound [Pd].[Pd].C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1 CYPYTURSJDMMMP-WVCUSYJESA-N 0.000 claims description 22
- 238000010992 reflux Methods 0.000 claims description 22
- 238000001816 cooling Methods 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 19
- -1 N-phenylcarbazolyl group Chemical group 0.000 claims description 15
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 12
- IUBQJLUDMLPAGT-UHFFFAOYSA-N potassium bis(trimethylsilyl)amide Chemical compound C[Si](C)(C)N([K])[Si](C)(C)C IUBQJLUDMLPAGT-UHFFFAOYSA-N 0.000 claims description 12
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 7
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims description 6
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 claims description 6
- 125000001624 naphthyl group Chemical group 0.000 claims description 6
- 239000012298 atmosphere Substances 0.000 claims description 5
- 125000006267 biphenyl group Chemical group 0.000 claims description 5
- 125000005299 dibenzofluorenyl group Chemical group C1(=CC=CC2=C3C(=C4C=5C=CC=CC5CC4=C21)C=CC=C3)* 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical group [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 125000002178 anthracenyl group Chemical group C1(=CC=CC2=CC3=CC=CC=C3C=C12)* 0.000 claims description 4
- 229910052805 deuterium Inorganic materials 0.000 claims description 4
- NLFBCYMMUAKCPC-KQQUZDAGSA-N ethyl (e)-3-[3-amino-2-cyano-1-[(e)-3-ethoxy-3-oxoprop-1-enyl]sulfanyl-3-oxoprop-1-enyl]sulfanylprop-2-enoate Chemical compound CCOC(=O)\C=C\SC(=C(C#N)C(N)=O)S\C=C\C(=O)OCC NLFBCYMMUAKCPC-KQQUZDAGSA-N 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 238000002390 rotary evaporation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 125000001792 phenanthrenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C=CC12)* 0.000 claims description 3
- 125000005561 phenanthryl group Chemical group 0.000 claims description 3
- HTSGKJQDMSTCGS-UHFFFAOYSA-N 1,4-bis(4-chlorophenyl)-2-(4-methylphenyl)sulfonylbutane-1,4-dione Chemical compound C1=CC(C)=CC=C1S(=O)(=O)C(C(=O)C=1C=CC(Cl)=CC=1)CC(=O)C1=CC=C(Cl)C=C1 HTSGKJQDMSTCGS-UHFFFAOYSA-N 0.000 claims description 2
- FKLJPTJMIBLJAV-UHFFFAOYSA-N Compound IV Chemical compound O1N=C(C)C=C1CCCCCCCOC1=CC=C(C=2OCCN=2)C=C1 FKLJPTJMIBLJAV-UHFFFAOYSA-N 0.000 claims description 2
- 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 claims description 2
- 125000001072 heteroaryl group Chemical group 0.000 claims description 2
- 150000002430 hydrocarbons Chemical group 0.000 claims description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims 2
- 235000010290 biphenyl Nutrition 0.000 claims 1
- 239000004305 biphenyl Substances 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 60
- 229910052757 nitrogen Inorganic materials 0.000 description 30
- 239000010410 layer Substances 0.000 description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 19
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 13
- 230000005540 biological transmission Effects 0.000 description 11
- 238000002330 electrospray ionisation mass spectrometry Methods 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 6
- 238000000746 purification Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 239000012044 organic layer Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 239000005909 Kieselgur Substances 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 230000006798 recombination Effects 0.000 description 2
- 238000005215 recombination Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- UDQTXCHQKHIQMH-KYGLGHNPSA-N (3ar,5s,6s,7r,7ar)-5-(difluoromethyl)-2-(ethylamino)-5,6,7,7a-tetrahydro-3ah-pyrano[3,2-d][1,3]thiazole-6,7-diol Chemical compound S1C(NCC)=N[C@H]2[C@@H]1O[C@H](C(F)F)[C@@H](O)[C@@H]2O UDQTXCHQKHIQMH-KYGLGHNPSA-N 0.000 description 1
- ICPSWZFVWAPUKF-UHFFFAOYSA-N 1,1'-spirobi[fluorene] Chemical compound C1=CC=C2C=C3C4(C=5C(C6=CC=CC=C6C=5)=CC=C4)C=CC=C3C2=C1 ICPSWZFVWAPUKF-UHFFFAOYSA-N 0.000 description 1
- SPDPTFAJSFKAMT-UHFFFAOYSA-N 1-n-[4-[4-(n-[4-(3-methyl-n-(3-methylphenyl)anilino)phenyl]anilino)phenyl]phenyl]-4-n,4-n-bis(3-methylphenyl)-1-n-phenylbenzene-1,4-diamine Chemical compound CC1=CC=CC(N(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=CC(=CC=2)C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=CC(=CC=2)N(C=2C=C(C)C=CC=2)C=2C=C(C)C=CC=2)C=2C=C(C)C=CC=2)=C1 SPDPTFAJSFKAMT-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229940125936 compound 42 Drugs 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- DKHNGUNXLDCATP-UHFFFAOYSA-N dipyrazino[2,3-f:2',3'-h]quinoxaline-2,3,6,7,10,11-hexacarbonitrile Chemical compound C12=NC(C#N)=C(C#N)N=C2C2=NC(C#N)=C(C#N)N=C2C2=C1N=C(C#N)C(C#N)=N2 DKHNGUNXLDCATP-UHFFFAOYSA-N 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004768 lowest unoccupied molecular orbital Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000001757 thermogravimetry curve Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
- C07C211/57—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton
- C07C211/61—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton with at least one of the condensed ring systems formed by three or more rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/56—Ring systems containing three or more rings
- C07D209/80—[b, c]- or [b, d]-condensed
- C07D209/82—Carbazoles; Hydrogenated carbazoles
- C07D209/86—Carbazoles; Hydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/56—Ring systems containing three or more rings
- C07D209/80—[b, c]- or [b, d]-condensed
- C07D209/82—Carbazoles; Hydrogenated carbazoles
- C07D209/88—Carbazoles; Hydrogenated carbazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the ring system
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/91—Dibenzofurans; Hydrogenated dibenzofurans
-
- 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
- H10K50/15—Hole 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
- H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
- H10K85/633—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine comprising polycyclic condensed aromatic hydrocarbons as substituents on the nitrogen atom
-
- 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
- H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
- H10K85/636—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine comprising heteroaromatic hydrocarbons as substituents on the nitrogen atom
-
- 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
- H10K85/6572—Polycyclic condensed heteroaromatic hydrocarbons comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2603/00—Systems containing at least three condensed rings
- C07C2603/02—Ortho- or ortho- and peri-condensed systems
- C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
- C07C2603/06—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members
- C07C2603/10—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings
- C07C2603/12—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings only one five-membered ring
- C07C2603/18—Fluorenes; Hydrogenated fluorenes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2603/00—Systems containing at least three condensed rings
- C07C2603/93—Spiro compounds
- C07C2603/94—Spiro compounds containing "free" spiro atoms
-
- 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
-
- 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
- H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
- H10K85/624—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene containing six or more rings
Abstract
Description
技术领域
本发明涉及有机电致发光材料领域,具体涉及一种具有优异性能的空穴传输材料及含有该材料的有机电致发光器件。
背景技术
有机电致发光显示器(organic light-emitting devices)又称作有机电致发光二极管(organic light-emitting diodes),简称OLEDs,是二十世纪八十年代发展起来的一种全固态平板化显示技术。有机电致发光是指有机半导体材料在电场驱动下,通过载流子注入、传输、复合形成激子以及激子衰变而导致发光的现象,根据这种发光原理制成的显示器即为OLEDs。
在OLED中,空穴传输层的作用是提高空穴在器件中的传输效率,并将电子阻挡在发光层内,实现载流子的最大复合。空穴传输层可以降低空穴在注入过程中的能量壁垒,增加空穴注入效率,提高器件的亮度和寿命。对于好的空穴传输材料,除了要求其具有很高的空穴迁移率外,还要满足以下条件:(1)能够形成无缺陷的均一无定形薄膜;(2)具有很好的热稳定性,在长期运作下仍可保持无定形态。尽管目前OLED的老化机理并不是很清楚,但是有研究表明有机层物理形态的变化是其影响因素之一,比如由于器件操作时产生的热引起的有机层的熔融与结晶;(3)具有合适的最高分子占据轨道(HOMO)能级,以保证空穴在各个界面之间的有效注入与传输;防止器件在工作中产生过多的焦耳热引起材料的再结晶。这种结晶会破坏薄膜的均一性,同时破坏了空穴传输层同阳极以及有机层之间良好的界面接触,从而导致器件的寿命下降。
目前,由于小分子空穴传输材料和聚合物空穴传输材料的应用性能各有优劣,寻求新型性能优良的空穴传输材料一直是该领域研究的热点。
发明内容
发明目的:针对上述技术问题,本发明提供了一种具有优异性能的空穴传输材料及含有该材料的有机电致发光器件。
为了达到上述发明目的,本发明所采用的技术方案如下:
一种具有优异性能的空穴传输材料,其结构式如下所示:
其中,R1、R2各自独立的为取代或未取代的C6-C30的芳香族烃基,取代或未取代的C5-C30的杂芳香族烃基;
Ar为取代或未取代的C6-C30的芳香族烃基。
进一步地,R1、R2各自独立的为取代或未取代的苯基、取代或未取代的联苯基、取代或未取代的三联苯基、取代或未取代的蒽基、取代或未取代的萘基、取代或未取代的菲基、取代或未取代的芴基、取代或未取代的氧芴基、取代或未取代的硫芴基、取代或未取代的N-苯基咔唑基、取代或未取代的9,9-二甲基芴基、取代或未取代的9,9-二苯基芴基、取代或未取代的9,9-螺二芴基。
进一步地,R1、R2各自独立的为未取代的苯基、联苯基、三联苯基、蒽基、萘基、菲基、芴基、氧芴基、硫芴基、N-苯基咔唑基、9,9-二甲基芴基、9,9-二苯基芴基、9,9-螺二芴基,
或至少一个氢被氘、甲基、单氘代甲基、双氘代甲基、三氘代甲基、苯基、氧芴基所取代的苯基、联苯基、三联苯基、蒽基、萘基、菲基、芴基、氧芴基、硫芴基、N-苯基咔唑基、9,9-二甲基芴基、9,9-二苯基芴基、9,9-螺二芴基。
进一步地,Ar为下列结构式基团:
上述基团为未取代的或至少一个氢被氘、甲基、单氘代甲基、双氘代甲基、三氘代甲基所取代而成的基团中的任意一种。
更进一步地,Ar为未取代的下列结构式基团:
进一步地,所述空穴传输材料为以下结构式化合物中的任意一种:
上述具有优异性能的空穴传输材料的制备方法如下:
(1)
在惰性气氛下,将化合物I和化合物II用二氧六环溶解,再将KHMDS的0.5M甲苯溶液缓慢滴入,升温至80-90℃反应10-25h,冷却,过滤反应溶液,滤液旋蒸,柱层析提纯,即可得到化合物III;
(2)
在惰性气氛下,将化合物III、化合物IV、叔丁醇钠、三(二亚苄基丙酮)二钯、三叔丁基膦、甲苯,升温至回流反应5-10h,冷却,加水搅拌,过滤反应溶液,分出有机相干燥后旋蒸,柱层析提纯,得到所述空穴传输材料。
上述空穴传输材料在制备有机电致发光器件中的应用。
本发明公开了一种有机电致发光器件,包括:阳极、空穴注入层、空穴传输层、发光层、电子传输层、电子注入层以及阴极顺次堆积的构造;所述空穴传输层含有至少一种上述空穴传输材料。
本发明还公开了一种含有上述有机电致发光器件的有机电致发光显示设备。
进一步地,本发明还公开了一种含有上述有机电致发光器件的有机电致发光照明设备。
本发明所述室温均为25±5℃。
本发明的有益效果:
本发明设计了一种具有优异性能的空穴传输材料,其与传统的以螺二芴基团为核心的HTL材料,优点在于,结构式(II)中,Ar具有更多的可调节性,可以通过调节Ar,来调节材料分子的空穴迁移率及其HOMO、LUMO值,进而提高材料的空穴迁移速率,降低以该类材料为HTL材料的器件的驱动电压,进而大幅度降低器件的能耗,本专利中涉及的材料分子相比较传统的以螺二芴为核心的HTL材料具有更高的空穴迁移速率,进而大大提高了器件的发光效率。
附图说明
图1为本发明提供的有机电致发光器件的结构示意图;
图中标号分别代表:
1-阴极、2-电子注入层、3-电子传输层、4-发光层、5-空穴传输层、6-空穴注入层、7-阳极。
图2为对比化合物HTL-1的TGA图谱,其中398.58℃为化合物HTL-1热失重5%时的温度。
图3为对比化合物HTL-2的TGA图谱,其中421.16℃为化合物HTL-1热失重5%时的温度。
图4为本发明空穴传输材料42的TGA图谱,其中504.22℃为化合物42热失重5%时的温度。
图5为本发明空穴传输材料121的TGA图谱,其中492.53℃为化合物121热失重5%时的温度。
由对比化合物HTL-1、化合物HTL-2与本发明空穴传输材料42和21对比可知,本发明设计的化合物具有更好的热稳定性,能够大幅度提高有机电致发光器件的稳定性。
具体实施方式
实施例中未注明具体条件者,按照常规条件或制造商建议的条件进行。所用试剂或仪器未注明生产厂商者,均为可以通过市售购买获得的常规产品。
实施例1:
空穴传输材料(3)的制备方法如下:
(1)
氮气保护下,将化合物1-a(1.0g,295.15g/mol,3.4mmol)、1-b(1.1eq,0.3g,80.80.13g/mol,3.74mmol)用二氧六环(20ml)溶解,再将KHMDS(2.5eq,8.51mmol)0.5M的甲苯溶液(17ml)缓慢滴入,升温至90℃反应25h,冷却,过滤反应溶液,滤液旋蒸,柱层析提纯,得到化合物1-c(0.76g,收率72.3%),MS(EI):308(M+);
(2)
氮气保护下,将化合物1-c(0.6g,309.20g/mol,1.95mmol),化合物1-d(1.1eq,0.69g,321.41g/mol,2.14mmol)、叔丁醇钠(1.1eq,0.21g,96.1g/mol,2.14mmol)、三(二亚苄基丙酮)二钯(0.05eq,0.089g,915g/mol,0.097mmol)、三叔丁基膦(0.05eq,0.02g,202.32g/mol,0.097mol)、甲苯(12ml)加入反应瓶中,加料完毕后升温至回流反应10h,反应完毕后降至室温后加入12ml水进行搅拌15min后过滤得滤液,滤液经由硅藻土过滤后分液得有机相,有机相使用无水硫酸镁干燥后旋干,经过柱层析提纯后得到空穴传输材料(3)(0.94g,收率88.1%),MS(EI):549(M+)。
实施例2:
空穴传输材料(10)的制备方法如下:
氮气保护下,将化合物2-a(1g,309.20g/mol,3.25mmol),化合物2-b(1.1eq,1.29g,361.48g/mol,3.57mmol)、叔丁醇钠(1.1eq,0.34g,96.1g/mol,3.57mmol)、三(二亚苄基丙酮)二钯(0.05eq,0.15g,915g/mol,0.16mmol)、三叔丁基膦(0.05eq,0.032g,202.32g/mol,0.16mol)、甲苯(20ml)加入反应瓶中,加料完毕后升温至回流反应5h,反应完毕后降至室温后加入20ml水进行搅拌15min后过滤得滤液,滤液经由硅藻土过滤后分液得有机相,有机相使用无水硫酸镁干燥后旋干,经过柱层析提纯后得到空穴传输材料(10)(1.6g,收率83.5%),MS(EI):589(M+)。
实施例3:
空穴传输材料(16)的制备方法如下:
氮气保护下,将化合物3-a(1g,309.20g/mol,3.25mmol),化合物3-b(1.1eq,1.46g,410.51g/mol,3.57mmol)、叔丁醇钠(1.1eq,0.34g,96.1g/mol,3.57mmol)、三(二亚苄基丙酮)二钯(0.05eq,0.15g,915g/mol,0.16mmol)、三叔丁基膦(0.05eq,0.032g,202.32g/mol,0.16mol)、甲苯(20ml)加入反应瓶中,加料完毕后升温至回流反应5h,反应完毕后降至室温后加入20ml水进行搅拌15min后过滤得滤液,滤液经由硅藻土过滤后分液得有机相,有机相使用无水硫酸镁干燥后旋干,经过柱层析提纯后得到空穴传输材料(16)(1.74g,收率83.8%),MS(EI):638(M+)。
实施例4:
空穴传输材料(19)的制备方法如下:
(1)
氮气保护下,将化合物4-a(1.0g,295.15g/mol,3.4mmol)、4-b(1.1eq,0.4g,108.18g/mol,3.74mmol)用二氧六环(20ml)溶解,再将KHMDS(2.5eq,8.51mmol)0.5M的甲苯溶液(17ml)缓慢滴入,升温至80℃反应10h,冷却,过滤反应溶液,滤液旋蒸,柱层析提纯,得到化合物4-c(0.81g,收率70.9%),MS(EI):337(M+);
(2)
氮气保护下,将化合物4-c(0.6g,337.25g/mol,1.79mmol),化合物4-d(1.1eq,0.63g,321.41g/mol,1.96mmol)、叔丁醇钠(1.1eq,0.19g,96.1g/mol,1.96mmol)、三(二亚苄基丙酮)二钯(0.05eq,0.082g,915g/mol,0.089mmol)、三叔丁基膦(0.05eq,0.018g,202.32g/mol,0.089mol)、甲苯(12ml)加入反应瓶中,加料完毕后升温至回流反应5h,反应完毕后降至室温后加入12ml水进行搅拌15min后过滤得滤液,滤液经由硅藻土过滤后分液得有机相,有机相使用无水硫酸镁干燥后旋干,经过柱层析提纯后得到空穴传输材料(19)(0.89g,收率86.6%),MS(EI):577(M+)。
实施例5:
空穴传输材料(22)的制备方法如下:
氮气保护下,将化合物5-a(1g,337.25g/mol,2.98mmol),化合物5-b(1.1eq,1.58g,483.60g/mol,3.27mmol)、叔丁醇钠(1.1eq,0.31g,96.1g/mol,3.27mmol)、三(二亚苄基丙酮)二钯(0.05eq,0.14g,915g/mol,0.15mmol)、三叔丁基膦(0.05eq,0.03g,202.32g/mol,0.15mol)、甲苯(20ml)加入反应瓶中,加料完毕后升温至回流反应5h,反应完毕后降至室温后加入20ml水进行搅拌15min后过滤得滤液,滤液经由硅藻土过滤后分液得有机相,有机相使用无水硫酸镁干燥后旋干,经过柱层析提纯后得到空穴传输材料(22)(1.72g,收率78.3%),MS(EI):739(M+)。
实施例6:
空穴传输材料(42)的制备方法如下:
(1)
氮气保护下,将化合物6-a(1.0g,295.15g/mol,3.4mmol)、6-b(1.1eq,0.34g,92.14g/mol,3.74mmol)用二氧六环(20ml)溶解,再将KHMDS(2.5eq,8.51mmol)0.5M的甲苯溶液(17ml)缓慢滴入,升温至80℃反应20h,冷却,过滤反应溶液,滤液旋蒸,柱层析提纯,得到化合物6-c(0.74g,收率68.2%),MS(EI):321(M+);
(2)
氮气保护下,将化合物6-c(0.6g,321.21g/mol,1.87mmol),化合物6-d(1.1eq,0.74g,361.48g/mol,2.06mmol)、叔丁醇钠(1.1eq,0.2g,96.1g/mol,2.06mmol)、三(二亚苄基丙酮)二钯(0.05eq,0.086g,915g/mol,0.094mmol)、三叔丁基膦(0.05eq,0.019g,202.32g/mol,0.094mol)、甲苯(12ml)加入反应瓶中,加料完毕后升温至回流反应5h,反应完毕后降至室温后加入12ml水进行搅拌15min后过滤得滤液,滤液经由硅藻土过滤后分液得有机相,有机相使用无水硫酸镁干燥后旋干,经过柱层析提纯后得到空穴传输材料(42)(0.93g,收率82.5%),MS(EI):601(M+)。
实施例7:
空穴传输材料(47)的制备方法如下:
氮气保护下,将化合物7-a(1g,321.21g/mol,3.12mmol),化合物7-b(1.1eq,1.22g,355.50g/mol,3.44mmol)、叔丁醇钠(1.1eq,0.33g,96.1g/mol,3.44mmol)、三(二亚苄基丙酮)二钯(0.05eq,0.14g,915g/mol,0.16mmol)、三叔丁基膦(0.05eq,0.032g,202.32g/mol,0.16mol)、甲苯(20ml)加入反应瓶中,加料完毕后升温至回流反应5h,反应完毕后降至室温后加入20ml水进行搅拌15min后过滤得滤液,滤液经由硅藻土过滤后分液得有机相,有机相使用无水硫酸镁干燥后旋干,经过柱层析提纯后得到空穴传输材料(47)(1.61g,收率86.7%),MS(EI):595(M+)。
实施例8:
空穴传输材料(49)的制备方法如下:
(1)
氮气保护下,将化合物8-a(1.0g,295.15g/mol,3.4mmol)、8-b(1.1eq,0.72g,192.26g/mol,3.74mmol)用二氧六环(20ml)溶解,再将KHMDS(2.5eq,8.51mmol)0.5M的甲苯溶液(17ml)缓慢滴入,升温至80℃反应20h,冷却,过滤反应溶液,滤液旋蒸,柱层析提纯,得到化合物8-c(0.91g,收率63.4%),MS(EI):421(M+);
(2)
氮气保护下,将化合物8-c(0.8g,421.33g/mol,1.9mmol),化合物8-d(1.1eq,0.35g,169.22g/mol,2.09mmol)、叔丁醇钠(1.1eq,0.2g,96.1g/mol,2.09mmol)、三(二亚苄基丙酮)二钯(0.05eq,0.087g,915g/mol,0.095mmol)、三叔丁基膦(0.05eq,0.019g,202.32g/mol,0.095mol)、甲苯(16ml)加入反应瓶中,加料完毕后升温至回流反应5h,反应完毕后降至室温后加入16ml水进行搅拌15min后过滤得滤液,滤液经由硅藻土过滤后分液得有机相,有机相使用无水硫酸镁干燥后旋干,经过柱层析提纯后得到空穴传输材料(49)(0.82g,收率84.4%),MS(EI):509(M+)。
实施例9:
空穴传输材料(60)的制备方法如下:
氮气保护下,将化合物9-a(1g,421.33g/mol,2.37mmol),化合物9-b(1.1eq1.07g,411.49g/mol,2.61mmol)、叔丁醇钠(1.1eq,0.25g,96.1g/mol,2.61mmol)、三(二亚苄基丙酮)二钯(0.05eq,0.11g,915g/mol,0.12mmol)、三叔丁基膦(0.05eq,0.024g,202.32g/mol,0.12mol)、甲苯(20ml)加入反应瓶中,加料完毕后升温至回流反应5h,反应完毕后降至室温后加入20ml水进行搅拌15min后过滤得滤液,滤液经由硅藻土过滤后分液得有机相,有机相使用无水硫酸镁干燥后旋干,经过柱层析提纯后得到空穴传输材料(60)(1.45g,收率80.6%),MS(EI):751(M+)。
实施例10:
空穴传输材料(75)的制备方法如下:
(1)
氮气保护下,将化合物10-a(1.0g,295.15g/mol,3.4mmol)、10-b(1.1eq,0.63g,168.23g/mol,3.74mmol)用二氧六环(20ml)溶解,再将KHMDS(2.5eq,8.51mmol)0.5M的甲苯溶液(17ml)缓慢滴入,升温至80℃反应20h,冷却,过滤反应溶液,滤液旋蒸,柱层析提纯,得到化合物10-c(0.79g,收率58.4%),MS(EI):397(M+);
(2)
氮气保护下,将化合物10-c(0.6g,397.31g/mol,1.51mmol),化合物10-d(1.1eq,0.56g,335.40g/mol,1.67mmol)、叔丁醇钠(1.1eq,0.16g,96.1g/mol,1.67mmol)、三(二亚苄基丙酮)二钯(0.05eq,0.069g,915g/mol,0.076mmol)、三叔丁基膦(0.05eq,0.015g,202.32g/mol,0.076mol)、甲苯(12ml)加入反应瓶中,加料完毕后升温至回流反应5h,反应完毕后降至室温后加入12ml水进行搅拌15min后过滤得滤液,滤液经由硅藻土过滤后分液得有机相,有机相使用无水硫酸镁干燥后旋干,经过柱层析提纯后得到空穴传输材料(75)(0.76g,收率77.3%),MS(EI):651(M+)。
实施例11:
空穴传输材料(106)的制备方法如下:
(1)
氮气保护下,将化合物11-a(1.0g,295.15g/mol,3.4mmol)、11-b(1.1eq,0.67g,180.25g/mol,3.74mmol)用二氧六环(20ml)溶解,再将KHMDS(2.5eq,8.51mmol)0.5M的甲苯溶液(17ml)缓慢滴入,升温至80℃反应20h,冷却,过滤反应溶液,滤液旋蒸,柱层析提纯,得到化合物11-c(0.94g,收率67.7%),MS(EI):409(M+);
(2)
氮气保护下,将化合物11-c(0.8g,409.32g/mol,1.67mmol),化合物11-d(1.1eq,0.66g,361.48g/mol,1.83mmol)、叔丁醇钠(1.1eq,0.18g,96.1g/mol,1.83mmol)、三(二亚苄基丙酮)二钯(0.05eq,0.076g,915g/mol,0.083mmol)、三叔丁基膦(0.05eq,0.017g,202.32g/mol,0.083mol)、甲苯(16ml)加入反应瓶中,加料完毕后升温至回流反应5h,反应完毕后降至室温后加入16ml水进行搅拌15min后过滤得滤液,滤液经由硅藻土过滤后分液得有机相,有机相使用无水硫酸镁干燥后旋干,经过柱层析提纯后得到空穴传输材料(106)(0.81g,收率70.2%),MS(EI):689(M+)。
实施例12:
空穴传输材料(121)的制备方法如下:
(1)
氮气保护下,将化合物12-a(1.0g,295.15g/mol,3.4mmol)、12-b(1.1eq,0.78g,208.30g/mol,3.74mmol)用二氧六环(20ml)溶解,再将KHMDS(2.5eq,8.51mmol)0.5M的甲苯溶液(17ml)缓慢滴入,升温至80℃反应20h,冷却,过滤反应溶液,滤液旋蒸,柱层析提纯,得到化合物12-c(0.97g,收率65.2%),MS(EI):437(M+);
(2)
氮气保护下,将化合物12-c(0.8g,437.37g/mol,1.83mmol),化合物12-d(1.1eq,0.81g,401.54g/mol,2.02mmol)、叔丁醇钠(1.1eq,0.19g,96.1g/mol,2.02mmol)、三(二亚苄基丙酮)二钯(0.05eq,0.084g,915g/mol,0.092mmol)、三叔丁基膦(0.05eq,0.019g,202.32g/mol,0.092mol)、甲苯(16ml)加入反应瓶中,加料完毕后升温至回流反应5h,反应完毕后降至室温后加入16ml水进行搅拌15min后过滤得滤液,滤液经由硅藻土过滤后分液得有机相,有机相使用无水硫酸镁干燥后旋干,经过柱层析提纯后得到空穴传输材料(121)(0.86g,收率61.8%),MS(EI):757(M+)。
实施例13:
空穴传输材料(142)的制备方法如下:
(1)
氮气保护下,将化合物13-a(1.0g,295.15g/mol,3.4mmol)、13-b(1.1eq,0.86g,230.30g/mol,3.74mmol)用二氧六环(20ml)溶解,再将KHMDS(2.5eq,8.51mmol)0.5M的甲苯溶液(17ml)缓慢滴入,升温至80℃反应20h,冷却,过滤反应溶液,滤液旋蒸,柱层析提纯,得到化合物13-c(1.03g,收率66.3%),MS(EI):459(M+);
(2)
氮气保护下,将化合物13-c(0.8g,459.38g/mol,1.75mmol),化合物13-d(1.1eq,0.69g,361.48g/mol,1.92mmol)、叔丁醇钠(1.1eq,0.18g,96.1g/mol,1.92mmol)、三(二亚苄基丙酮)二钯(0.05eq,0.08g,915g/mol,0.087mmol)、三叔丁基膦(0.05eq,0.018g,202.32g/mol,0.087mol)、甲苯(16ml)加入反应瓶中,加料完毕后升温至回流反应5h,反应完毕后降至室温后加入16ml水进行搅拌15min后过滤得滤液,滤液经由硅藻土过滤后分液得有机相,有机相使用无水硫酸镁干燥后旋干,经过柱层析提纯后得到空穴传输材料(142)(0.67g,收率52.1%),MS(EI):739(M+)。
实施例14:
空穴传输材料(151)的制备方法如下:
(1)
氮气保护下,将化合物14-a(1.0g,295.15g/mol,3.4mmol)、14-b(1.1eq,0.80g,214.34g/mol,3.74mmol)用二氧六环(20ml)溶解,再将KHMDS(2.5eq,8.51mmol)0.5M的甲苯溶液(17ml)缓慢滴入,升温至80℃反应20h,冷却,过滤反应溶液,滤液旋蒸,柱层析提纯,得到化合物14-c(1.04g,收率69.3%),MS(EI):443(M+);
(2)
氮气保护下,将化合物14-c(0.78g,443.41g/mol,1.75mmol),化合物14-d(1.1eq,0.67g,345.44g/mol,1.93mmol)、叔丁醇钠(1.1eq,0.19g,96.1g/mol,1.93mmol)、三(二亚苄基丙酮)二钯(0.05eq,0.08g,915g/mol,0.088mmol)、三叔丁基膦(0.05eq,0.018g,202.32g/mol,0.088mol)、甲苯(12ml)加入反应瓶中,加料完毕后升温至回流反应5h,反应完毕后降至室温后加入12ml水进行搅拌15min后过滤得滤液,滤液经由硅藻土过滤后分液得有机相,有机相使用无水硫酸镁干燥后旋干,经过柱层析提纯后得到空穴传输材料(151)(0.8g,收率64.8%),MS(EI):707(M+)。
实施例15:
空穴传输材料(193)的制备方法如下:
氮气保护下,将化合物15-a(0.8g,437.37g/mol,1.83mmol),化合物15-b(1.1eq,0.81g,401.54g/mol,2.01mmol)、叔丁醇钠(1.1eq,0.19g,96.1g/mol,2.02mmol)、三(二亚苄基丙酮)二钯(0.05eq,0.084g,915g/mol,0.092mmol)、三叔丁基膦(0.05eq,0.019g,202.32g/mol,0.092mol)、甲苯(16ml)加入反应瓶中,加料完毕后升温至回流反应5h,反应完毕后降至室温后加入16ml水进行搅拌15min后过滤得滤液,滤液经由硅藻土过滤后分液得有机相,有机相使用无水硫酸镁干燥后旋干,经过柱层析提纯后得到空穴传输材料(193)(0.81g,收率58.5%),MS(EI):757(M+)。
实施例16:
空穴传输材料(197)的制备方法如下:
(1)
氮气保护下,将化合物16-a(1.0g,295.15g/mol,3.4mmol)、16-b(1.1eq,0.78g,208.30g/mol,3.74mmol)用二氧六环(20ml)溶解,再将KHMDS(2.5eq,8.51mmol)0.5M的甲苯溶液(17ml)缓慢滴入,升温至80℃反应20h,冷却,过滤反应溶液,滤液旋蒸,柱层析提纯,得到化合物16-c(0.97g,收率65.2%),MS(EI):437(M+);
(2)
氮气保护下,将化合物16-c(0.8g,437.37g/mol,1.83mmol),化合物16-d(1.1eq,0.73g,361.48g/mol,2.01mmol)、叔丁醇钠(1.1eq,0.19g,96.1g/mol,2.02mmol)、三(二亚苄基丙酮)二钯(0.05eq,0.084g,915g/mol,0.092mmol)、三叔丁基膦(0.05eq,0.019g,202.32g/mol,0.092mol)、甲苯(16ml)加入反应瓶中,加料完毕后升温至回流反应5h,反应完毕后降至室温后加入16ml水进行搅拌15min后过滤得滤液,滤液经由硅藻土过滤后分液得有机相,有机相使用无水硫酸镁干燥后旋干,经过柱层析提纯后得到空穴传输材料(197)(0.80g,收率60.8%),MS(EI):717(M+)。
实施例17:
空穴传输材料(199)的制备方法如下:
氮气保护下,将化合物17-a(0.8g,437.37g/mol,1.83mmol),化合物17-b(1.1eq,0.76g,380.54g/mol,2.01mmol)、叔丁醇钠(1.1eq,0.19g,96.1g/mol,2.02mmol)、三(二亚苄基丙酮)二钯(0.05eq,0.084g,915g/mol,0.092mmol)、三叔丁基膦(0.05eq,0.019g,202.32g/mol,0.092mol)、甲苯(16ml)加入反应瓶中,加料完毕后升温至回流反应5h,反应完毕后降至室温后加入16ml水进行搅拌15min后过滤得滤液,滤液经由硅藻土过滤后分液得有机相,有机相使用无水硫酸镁干燥后旋干,经过柱层析提纯后得到空穴传输材料(199)(0.79g,收率58.6%),MS(EI):735(M+)。
实施例18:
空穴传输材料(201)的制备方法如下:
氮气保护下,将化合物18-a(0.78g,443.41g/mol,1.75mmol),化合物18-b(1.1eq,0.70g,361.48g/mol,1.93mmol)、叔丁醇钠(1.1eq,0.19g,96.1g/mol,1.93mmol)、三(二亚苄基丙酮)二钯(0.05eq,0.08g,915g/mol,0.088mmol)、三叔丁基膦(0.05eq,0.018g,202.32g/mol,0.088mol)、甲苯(12ml)加入反应瓶中,加料完毕后升温至回流反应5h,反应完毕后降至室温后加入12ml水进行搅拌15min后过滤得滤液,滤液经由硅藻土过滤后分液得有机相,有机相使用无水硫酸镁干燥后旋干,经过柱层析提纯后得到空穴传输材料(201)(0.79g,收率62.5%),MS(EI):723(M+)。
实施例19:
空穴传输材料(205)的制备方法如下:
氮气保护下,将化合物19-a(0.78g,443.41g/mol,1.75mmol),化合物19-b(1.1eq,0.77g,401.54g/mol,1.93mmol)、叔丁醇钠(1.1eq,0.19g,96.1g/mol,1.93mmol)、三(二亚苄基丙酮)二钯(0.05eq,0.08g,915g/mol,0.088mmol)、三叔丁基膦(0.05eq,0.018g,202.32g/mol,0.088mol)、甲苯(12ml)加入反应瓶中,加料完毕后升温至回流反应5h,反应完毕后降至室温后加入12ml水进行搅拌15min后过滤得滤液,滤液经由硅藻土过滤后分液得有机相,有机相使用无水硫酸镁干燥后旋干,经过柱层析提纯后得到空穴传输材料(205)(0.82g,收率61.2%),MS(EI):763(M+)。
实施例20:
空穴传输材料(207)的制备方法如下:
氮气保护下,将化合物20-a(0.78g,443.41g/mol,1.75mmol),化合物20-b(1.1eq,0.73g,378.52g/mol,1.93mmol)、叔丁醇钠(1.1eq,0.19g,96.1g/mol,1.93mmol)、三(二亚苄基丙酮)二钯(0.05eq,0.08g,915g/mol,0.088mmol)、三叔丁基膦(0.05eq,0.018g,202.32g/mol,0.088mol)、甲苯(12ml)加入反应瓶中,加料完毕后升温至回流反应5h,反应完毕后降至室温后加入12ml水进行搅拌15min后过滤得滤液,滤液经由硅藻土过滤后分液得有机相,有机相使用无水硫酸镁干燥后旋干,经过柱层析提纯后得到空穴传输材料(207)(0.81g,收率62.7%),MS(EI):741(M+)。
材料性质测试:
使用TGA(TGA-1000)对本发明空穴传输材料3、10、16、19、22、42、47、49、60、75、106、121、142、151、193、197、199、201、205、207的热稳定性进行检测,检测得到的Tg数据(Tg温度是指在氮气气氛中失重5%的温度)如下表1所示。
表1:
由上述数据可知,本发明空穴传输材料的热稳定性远远好于对照例HTL-1、HTL-2,良好的热稳定性更有利于材料的使用,并且能够大幅度提高使用该类材料制备的有机电致发光器件的寿命和发光效率,对OLED的市场化起到了非常积极的作用。
器件性能测试:
应用例1:
采用ITO作为反射层阳极基板材料,并依次用水、丙酮、N2等离子对其进行表面处理;
在ITO阳极基板上方,沉积厚度为10nm的HAT-CN形成空穴注入层(HIL);
在空穴注入层(HIL)上方蒸镀本发明实施例1中的空穴传输材料(3)形成厚度为80nm的空穴传输层(HTL);
将ADN作为蓝光主体材料、BD-1作为蓝光掺杂材料(BD-1用量为ADN重量的5%)以不同速率蒸发在空穴传输层(HTL)上形成厚度为30nm的发光层;
将PBD蒸镀到发光层上得到厚度为35nm的电子传输层(ETL),在电子传输层(ETL)上方蒸镀厚度为2nm的LiQ形成电子注入层(EIL);
此后将镁(Mg)和银(Ag)以9:1的比例混合蒸镀得到厚度为15nm的阴极,在上述阴极封口层上沉积50nm厚度的DNTPD,此外,在阴极表面以UV硬化胶合剂和含有除湿剂的封装薄膜(seal cap)进行密封,以保护有机电致发光器件不被大气中的氧气或水分所影响至此制备获得有机电致发光器件。
应用例2-20
分别以本发明实施例2-20中的空穴传输材料10、16、19、22、42、47、49、60、75、106、121、142、151、193、197、199、201、205、207作为空穴传输材料,其他部分与应用例1一致,据此制作出应用例2-20的有机电致发光器件。
对照例1、2
对照例1、2与应用例1的区别在于,使用HTL-1、HTL-2作为空穴传输材料,其余与应用例1相同。
上述应用例制造的有机电致发光器件及对照例制造的有机电致发光器件的特性是在电流密度为10mA/cm2的条件下测定的,结果如表2所示。
表2:
由如上表2可知,本发明空穴传输材料应用于有机电致发光器件中,在相同电流密度下,发光效率都得到了一定提升,而且器件的启动电压有所下降,器件的功耗相对降低,使得器件的寿命相应提高。
Claims (10)
2.如权利要求1所述的具有优异性能的空穴传输材料,其特征在于,R1、R2各自独立的为取代或未取代的苯基、取代或未取代的联苯基、取代或未取代的三联苯基、取代或未取代的蒽基、取代或未取代的萘基、取代或未取代的菲基、取代或未取代的芴基、取代或未取代的氧芴基、取代或未取代的硫芴基、取代或未取代的N-苯基咔唑基、取代或未取代的9,9-二甲基芴基、取代或未取代的9,9-二苯基芴基、取代或未取代的9,9-螺二芴基。
3.如权利要求2所述的具有优异性能的空穴传输材料,其特征在于,R1、R2各自独立的为未取代的苯基、联苯基、三联苯基、蒽基、萘基、菲基、芴基、氧芴基、硫芴基、N-苯基咔唑基、9,9-二甲基芴基、9,9-二苯基芴基、9,9-螺二芴基,或
至少一个氢被氘、甲基、单氘代甲基、双氘代甲基、三氘代甲基、氧芴基所取代的苯基、联苯基、三联苯基、蒽基、萘基、菲基、芴基、氧芴基、硫芴基、N-苯基咔唑基、9,9-二甲基芴基、9,9-二苯基芴基、9,9-螺二芴基。
7.如权利要求1-6中任一项所述的空穴传输材料在制备有机电致发光器件中的应用。
8.一种有机电致发光器件,其特征在于,所述有机电致发光器件包括:阳极、空穴注入层、空穴传输层、发光层、电子传输层、电子注入层以及阴极顺次堆积的构造;所述空穴传输层含有至少一种如权利要求1-6中任一项所述的空穴传输材料。
9.一种有机电致发光显示设备,其特征在于,所述有机电致发光显示设备含有如权利要求8所述的有机电致发光器件。
10.一种有机电致发光照明设备,其特征在于,所述有机电致发光照明设备含有如权利要求8所述的有机电致发光器件。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911054409.0A CN112745229B (zh) | 2019-10-31 | 2019-10-31 | 一种具有优异性能的空穴传输材料及含有该材料的有机电致发光器件 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911054409.0A CN112745229B (zh) | 2019-10-31 | 2019-10-31 | 一种具有优异性能的空穴传输材料及含有该材料的有机电致发光器件 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112745229A true CN112745229A (zh) | 2021-05-04 |
CN112745229B CN112745229B (zh) | 2023-12-05 |
Family
ID=75645605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201911054409.0A Active CN112745229B (zh) | 2019-10-31 | 2019-10-31 | 一种具有优异性能的空穴传输材料及含有该材料的有机电致发光器件 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112745229B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113912531A (zh) * | 2021-08-23 | 2022-01-11 | 上海和辉光电股份有限公司 | 一种新型芳胺类化合物及其应用 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106588674A (zh) * | 2015-10-16 | 2017-04-26 | 晶宜科技股份有限公司 | 有机电激发光装置及其材料 |
CN107915698A (zh) * | 2016-10-05 | 2018-04-17 | Sfc株式会社 | 新型有机化合物以及包括该有机化合物的有机发光元件 |
WO2018164265A1 (ja) * | 2017-03-10 | 2018-09-13 | 出光興産株式会社 | 化合物、有機エレクトロルミネッセンス素子用材料、有機エレクトロルミネッセンス素子、及び電子機器 |
WO2018216903A1 (ko) * | 2017-05-22 | 2018-11-29 | 주식회사 엘지화학 | 신규한 화합물 및 이를 이용한 유기발광 소자 |
KR20190103790A (ko) * | 2018-02-28 | 2019-09-05 | 주식회사 엘지화학 | 유기 발광 소자 |
CN110382457A (zh) * | 2017-05-22 | 2019-10-25 | 株式会社Lg化学 | 新的化合物和使用其的有机发光器件 |
CN110416422A (zh) * | 2018-04-28 | 2019-11-05 | 江苏三月光电科技有限公司 | 有机电致发光器件及包括其的显示器 |
-
2019
- 2019-10-31 CN CN201911054409.0A patent/CN112745229B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106588674A (zh) * | 2015-10-16 | 2017-04-26 | 晶宜科技股份有限公司 | 有机电激发光装置及其材料 |
CN107915698A (zh) * | 2016-10-05 | 2018-04-17 | Sfc株式会社 | 新型有机化合物以及包括该有机化合物的有机发光元件 |
WO2018164265A1 (ja) * | 2017-03-10 | 2018-09-13 | 出光興産株式会社 | 化合物、有機エレクトロルミネッセンス素子用材料、有機エレクトロルミネッセンス素子、及び電子機器 |
WO2018216903A1 (ko) * | 2017-05-22 | 2018-11-29 | 주식회사 엘지화학 | 신규한 화합물 및 이를 이용한 유기발광 소자 |
CN110382457A (zh) * | 2017-05-22 | 2019-10-25 | 株式会社Lg化学 | 新的化合物和使用其的有机发光器件 |
KR20190103790A (ko) * | 2018-02-28 | 2019-09-05 | 주식회사 엘지화학 | 유기 발광 소자 |
CN110416422A (zh) * | 2018-04-28 | 2019-11-05 | 江苏三月光电科技有限公司 | 有机电致发光器件及包括其的显示器 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113912531A (zh) * | 2021-08-23 | 2022-01-11 | 上海和辉光电股份有限公司 | 一种新型芳胺类化合物及其应用 |
Also Published As
Publication number | Publication date |
---|---|
CN112745229B (zh) | 2023-12-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111533716B (zh) | 一种芴基有机电致发光化合物及有机电致发光器件 | |
He et al. | Asymmetrically twisted anthracene derivatives as highly efficient deep-blue emitters for organic light-emitting diodes | |
WO2018033086A1 (zh) | 一种以氧杂蒽酮为核心的二苯并六元环取代化合物及其应用 | |
US20200028086A1 (en) | Boron heterocyclic compound, display panel and display apparatus | |
CN111635324B (zh) | 一种有机电致发光化合物及有机电致发光器件 | |
US20100252819A1 (en) | Electroactive materials | |
CN113105420B (zh) | 一种稠环芳胺类化合物及其应用以及包含该化合物的有机电致发光器件 | |
CN111675701B (zh) | 一种基于三苯胺结构的有机电致发光化合物及有机电致发光器件 | |
CN112552270B (zh) | 一种有机电致发光化合物及有机电致发光器件 | |
CN112521360A (zh) | 一种芳胺类有机化合物及其有机电致发光器件 | |
CN113666918A (zh) | 一种高热稳定性的有机电致发光化合物及有机电致发光器件 | |
CN113527271A (zh) | 一种基于杂芴基的有机电致发光化合物及其应用、有机电致发光器件 | |
CN112961144B (zh) | 一种化合物、混合物及有机电致发光器件 | |
CN112745229A (zh) | 一种具有优异性能的空穴传输材料及含有该材料的有机电致发光器件 | |
CN112920059B (zh) | 多取代螺二芴化合物、空穴传输材料组合物及光电器件 | |
KR20160123831A (ko) | 유기전계발광소자용 정공수송물질 및 이를 이용한 유기전계발광소자 | |
CN112225726B (zh) | 一种化合物及有机电致发光器件 | |
CN112851591B (zh) | 一种基于三亚苯基的有机化合物及有机电致发光材料和器件 | |
CN113277997A (zh) | 一种含有蒽基结构的化合物及有机电致发光器件 | |
CN112390770A (zh) | 一种空穴传输材料及包含该材料的有机电致发光器件 | |
CN111848424A (zh) | 一种含三蝶烯基团的热活化延迟荧光材料及其制备方法和应用 | |
CN107188829B (zh) | 一种以全氟代亚苯基为核心的oled光电材料及其应用 | |
CN112321581A (zh) | 二苯并吖庚因类化合物、聚合物及其应用 | |
CN109776490A (zh) | 一种非芳香胺类小分子光电材料及制备与应用 | |
CN113512027B (zh) | 一种茚酮并喹喔啉衍生物及其制备方法与应用 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |