CN115141216A - 一种含嗪类化合物及其有机发光器件 - Google Patents
一种含嗪类化合物及其有机发光器件 Download PDFInfo
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- CN115141216A CN115141216A CN202210876749.7A CN202210876749A CN115141216A CN 115141216 A CN115141216 A CN 115141216A CN 202210876749 A CN202210876749 A CN 202210876749A CN 115141216 A CN115141216 A CN 115141216A
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 80
- BCHZICNRHXRCHY-UHFFFAOYSA-N 2h-oxazine Chemical compound N1OC=CC=C1 BCHZICNRHXRCHY-UHFFFAOYSA-N 0.000 title claims description 15
- -1 triazine compound Chemical class 0.000 claims abstract description 16
- 150000002894 organic compounds Chemical class 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 claims description 4
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims description 4
- 125000001072 heteroaryl group Chemical group 0.000 claims description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 4
- 125000001792 phenanthrenyl group Chemical class C1(=CC=CC=2C3=CC=CC=C3C=CC12)* 0.000 claims description 4
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 claims description 3
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 150000005045 1,10-phenanthrolines Chemical class 0.000 claims description 2
- 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 2
- ROFVEXUMMXZLPA-UHFFFAOYSA-N Bipyridyl Chemical group N1=CC=CC=C1C1=CC=CC=N1 ROFVEXUMMXZLPA-UHFFFAOYSA-N 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- YNPNZTXNASCQKK-UHFFFAOYSA-N Phenanthrene Natural products C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 claims description 2
- 125000000641 acridinyl group Chemical group C1(=CC=CC2=NC3=CC=CC=C3C=C12)* 0.000 claims description 2
- 125000002178 anthracenyl group Chemical group C1(=CC=CC2=CC3=CC=CC=C3C=C12)* 0.000 claims description 2
- 150000005840 aryl radicals Chemical class 0.000 claims description 2
- 150000001555 benzenes Chemical class 0.000 claims description 2
- 125000003785 benzimidazolyl group Chemical group N1=C(NC2=C1C=CC=C2)* 0.000 claims description 2
- 125000005605 benzo group Chemical group 0.000 claims description 2
- 235000010290 biphenyl Nutrition 0.000 claims description 2
- 239000004305 biphenyl Substances 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 125000004988 dibenzothienyl group Chemical group C1(=CC=CC=2SC3=C(C21)C=CC=C3)* 0.000 claims description 2
- 125000001041 indolyl group Chemical group 0.000 claims description 2
- 125000000904 isoindolyl group Chemical group C=1(NC=C2C=CC=CC12)* 0.000 claims description 2
- 125000005956 isoquinolyl group Chemical group 0.000 claims description 2
- 125000001624 naphthyl group Chemical group 0.000 claims description 2
- 125000004625 phenanthrolinyl group Chemical group N1=C(C=CC2=CC=C3C=CC=NC3=C12)* 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N pyridine Substances C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 2
- 150000003222 pyridines Chemical class 0.000 claims description 2
- 125000004076 pyridyl group Chemical group 0.000 claims description 2
- 125000000714 pyrimidinyl group Chemical group 0.000 claims description 2
- 125000002294 quinazolinyl group Chemical group N1=C(N=CC2=CC=CC=C12)* 0.000 claims description 2
- 125000005493 quinolyl group Chemical group 0.000 claims description 2
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 claims description 2
- 125000001113 thiadiazolyl group Chemical group 0.000 claims description 2
- 125000004306 triazinyl group Chemical group 0.000 claims description 2
- 125000001425 triazolyl group Chemical group 0.000 claims description 2
- 125000003960 triphenylenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C3=CC=CC=C3C12)* 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 17
- 230000000903 blocking effect Effects 0.000 abstract description 7
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 114
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 57
- 239000010410 layer Substances 0.000 description 35
- 230000015572 biosynthetic process Effects 0.000 description 27
- 238000003786 synthesis reaction Methods 0.000 description 27
- 230000000052 comparative effect Effects 0.000 description 23
- 238000004895 liquid chromatography mass spectrometry Methods 0.000 description 20
- 239000012044 organic layer Substances 0.000 description 20
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 19
- 238000006243 chemical reaction Methods 0.000 description 19
- 239000003795 chemical substances by application Substances 0.000 description 19
- 238000004440 column chromatography Methods 0.000 description 19
- 239000012153 distilled water Substances 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 239000000543 intermediate Substances 0.000 description 13
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 230000005525 hole transport Effects 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 125000006575 electron-withdrawing group Chemical group 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 150000004866 oxadiazoles Chemical class 0.000 description 1
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 1
- YJVFFLUZDVXJQI-UHFFFAOYSA-L palladium(ii) acetate Chemical compound [Pd+2].CC([O-])=O.CC([O-])=O YJVFFLUZDVXJQI-UHFFFAOYSA-L 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 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 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000004017 vitrification Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- C07D519/00—Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups C07D453/00 or C07D455/00
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- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
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- C07F7/0812—Compounds with Si-C or Si-Si linkages comprising at least one atom selected from the elements N, O, halogen, S, Se or Te comprising a heterocyclic ring
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Abstract
本发明公开了一种含三嗪类化合物及其有机发光器件,涉及有机光电材料技术领域。该化合物具有式1所示的结构。本发明的化合物应用于有机发光器件,作为电子传输层或空穴阻挡层使用,器件表现出驱动电压低、发光效率高的优点,优于现有常用OLED器件。
Description
技术领域
本发明涉及有机光电材料技术领域,尤其涉及一种含嗪类化合物及其有机发光器件。
背景技术
发光器件是利用有机物质将电能转换为光能的器件,并且包含在阳极和阴极之间发光可能的有机物层的结构。
有机电荷传输材料是一类当有载流子(电子或空穴)注入时,在电场作用下,可以实现载流子的可控定向有序迁移从而实现电荷传输的有机半导体材料。相对于无机材料,有机电荷传输材料具有成本低、毒性小、易于加工成型和进行化学修饰以满足不同需要、可以制作全柔性器件等优点,目前已广泛应用于静电复印、传感器、电致发光、场效应管和太阳能电池等诸多领域,成为国内外研究的热点之一。有机电荷传输材料可分有机空穴传输(p型)材料和有机电子传输(n型)材料。与有机p型材料相比,n型材料的发展比较缓慢,如8-羟基喹啉铝(Aq3)和噁二唑衍生物PBD是较早进行研究的n型材料。
器件中空穴传输材料的空穴迁移率一般远大于电子传输材料的电子迁移率,这会造成器件性能的显著下降。所以,如何设计新的性能更好的电子传输材料或空穴阻挡材料,对发光材料的电荷/空穴的注入与传输进行调节,一直是本领域技术人员亟待解决的问题。
发明内容
本发明的目的是提供一种嗪类化合物及含有该化合物的有机发光器件。本发明提供的嗪类化合物热稳定性能好、玻璃化温度高,不易结晶,将该化合物用于电子传输层或/和空穴阻挡层中而制成的有机发光器件,表现出驱动电压低、发光效率高的优点,是性能优良的有机发光材料。
为了实现本发明的目的,本发明的技术方案如下:
本发明提供了一种嗪化合物,其结构如式1所示:
其中,Ar1和Ar2独立地选自取代或未取代的菲、取代或未取代的苯并[h]喹啉、取代或未取代的1,10-菲罗啉的一种;
X1、X2和X3为碳或氮;
L1和L2独立地选自单键、取代或未取代的苯、取代或未取代的吡啶的一种;
R1、R2和R3独立地选取代或未取代的C6-C30芳基、C2-C30的取代或未取代的杂芳基;
优选地,其中,R1至R3各自独立地选自苯基、萘基、联苯基、三联苯基、蒽基、三亚苯基、芴基、9,9-螺芴基和菲基中的一种。所述的C2-C30杂芳基选自吡啶基、联吡啶基、喹啉基、异喹啉基、嘧啶基、菲咯啉基、咔唑基、二苯并噻吩基、二苯并呋喃基、三氮唑基、噻二唑基、二苯氨基、三芳香胺基、吡啶联苯基、联苯吡啶基、喹唑啉基、喹喔啉基、苯并咪唑基、吖啶基、吲哚基、异吲哚基和三嗪基。
更优选地,其中所述嗪化合物为以下各项中任一者:
优选的,所述有机发光器件包括阴极、阳极和置于所述两电极之间的一个或多个有机化合物层,所述的有机化合物层含一种含嗪类化合物。
优选的,所述有机化合物层包括电子传输层,电子传输层中含有所述的一种含嗪类化合物。
优选的,所述有机化合物层包括空穴阻挡层,空穴阻挡层中含一种含嗪类化合物。
本发明还提供了一种有机发光器件,包括第一电极、第二电极和置于所述两电极之间的一个或多个有机化合物层,有机化合物层包含空穴注入层、空穴传输层、电子阻挡层、发光层、空穴阻挡层、电子传输层、电子注入层的至少一层;所述有机化合物层中至少一层包含本发明所述的一种含嗪类化合物。
具体实施方式
本发明提供了一种嗪类化合物,一方面,嗪类基团尤其是嗪基团结构较稳定,耐酸碱及耐高温,具有高的玻璃化温度;嗪类基团作为典型的强吸电子基团,以其为中心结构的化合物具有高的电子迁移率和较低的能级。一方面,本发明化合物是三维立体的空间结构,可以有效的防止分子间的聚集,使其不易结晶,结构稳定。另一方面,本发明嗪类化合物拥有可伸展的三维结构,连续的π共轭体系带来较好的电子流动性,从而具有高的电子迁移率;并且,嗪类和咔唑类基团的结合使得载流子传输平衡。
将其应用于有机发光器件,作为电子传输层或空穴阻挡层使用,器件表现出驱动电压低、发光效率高的优点,优于现有常用OLED器件。在OLED发光器件中表现出的良好的应用效果,这一点表明其具有良好的产业化前景。
下面将结合本发明实施例的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明的保护范围。
实施例
实施例1:化合物1-01的合成
1)中间体1-01-3的合成
在将化合物1-01-2(2.49g,15mmol)溶解在1,4-二恶烷(130mL)中后,向其中添加1-01-1(3.89g,15.0mmol)、Pd(PPh3)4(0.18g,0.15mmol)以及K2CO3(12.8克,93mmol),且在100℃下搅拌所得物6小时。在反应终止之后,将所得物冷却至室温,且用蒸馏水及乙酸乙酯萃取。有机层经MgSO4干燥,且接着过滤并浓缩。用乙酸乙酯及己烷作为展开剂,使用柱层析法纯化经浓缩残余物,获得目标化合物1-01-3(2.21g,收率49%)。LC-MS:M/Z 300.11(M+)。
2)中间体1-01-5的合成
在将化合物1-01-4(5.07g,15mmol)溶解在1,4-二恶烷(130mL)中后,向其中添加1-01-3(4.50g,15.0mmol)、Pd(PPh3)4(0.18g,0.15mmol)以及K2CO3(12.8克,93mmol),且在100℃下搅拌所得物6小时。在反应终止之后,将所得物冷却至室温,且用蒸馏水及乙酸乙酯萃取。有机层经MgSO4干燥,且接着过滤并浓缩。用乙酸乙酯及己烷作为展开剂,使用柱层析法纯化经浓缩残余物,获得目标化合物1-01-5(3.54g,收率46%)。LC-MS:M/Z 512.06(M+)。
3)化合物1-01的合成
在将化合物1-01-5(7.70g,15mmol)溶解在1,4-二恶烷(130mL)中后,向其中添加1-01-6(5.30g,15mmol)、Pd(PPh3)4(0.18g,0.15mmol)以及K2CO3(12.8克,93mmol),且在100℃下搅拌所得物6小时。在反应终止之后,将所得物冷却至室温,且用蒸馏水及乙酸乙酯萃取。有机层经MgSO4干燥,且接着过滤并浓缩。用乙酸乙酯及己烷作为展开剂,使用柱层析法纯化经浓缩残余物,获得目标化合物1-01(7.12g,收率64%)。LC-MS:M/Z 741.26(M+)。
实施例2:化合物1-35的合成
1)中间体1-35-3的合成
在将化合物1-35-2(2.50g,15mmol)溶解在1,4-二恶烷(130mL)中后,向其中添加1-35-1(5.03g,15mmol)、Pd(PPh3)4(0.18g,0.15mmol)以及K2CO3(12.8克,93mmol),且在100℃下搅拌所得物6小时。在反应终止之后,将所得物冷却至室温,且用蒸馏水及乙酸乙酯萃取。有机层经MgSO4干燥,且接着过滤并浓缩。用乙酸乙酯及己烷作为展开剂,使用柱层析法纯化经浓缩残余物,获得目标化合物1-35-3(2.66g,收47%)。LC-MS:M/Z 377.13(M+)。
2)中间体1-35-3的合成
在将化合物1-01-4(5.07g,15mmol)溶解在1,4-二恶烷(130mL)中后,向其中添加1-35-3(5.66g,15mmol)、Pd(PPh3)4(0.18g,0.15mmol)以及K2CO3(12.8克,93mmol),且在100℃下搅拌所得物6小时。在反应终止之后,将所得物冷却至室温,且用蒸馏水及乙酸乙酯萃取。有机层经MgSO4干燥,且接着过滤并浓缩。用乙酸乙酯及己烷作为展开剂,使用柱层析法纯化经浓缩残余物,获得目标化合物1-35-4(3.81g,收率43%)。LC-MS:M/Z 589.09(M+)。
3)化合物1-35的合成
在将化合物1-35-4(8.86g,15mmol)溶解在1,4-二恶烷(130mL)中后,向其中添加1-01-6(5.30g,15mmol)、Pd(PPh3)4(0.18g,0.15mmol)以及K2CO3(12.8克,93mmol),且在100℃下搅拌所得物6小时。在反应终止之后,将所得物冷却至室温,且用蒸馏水及乙酸乙酯萃取。有机层经MgSO4干燥,且接着过滤并浓缩。用乙酸乙酯及己烷作为展开剂,使用柱层析法纯化经浓缩残余物,获得目标化合物1-35(4.91g,收率40%)。LC-MS:M/Z 818.29(M+)。
实施例3:化合物1-63的合成
1)中间体1-63-1的合成
在将化合物1-01-4(5.07g,15mmol)溶解在1,4-二恶烷(130mL)中后,向其中添加1-01-6(5.30g,15mmol)、Pd(PPh3)4(0.18g,0.15mmol)以及K2CO3(12.8克,93mmol),且在100℃下搅拌所得物6小时。在反应终止之后,将所得物冷却至室温,且用蒸馏水及乙酸乙酯萃取。有机层经MgSO4干燥,且接着过滤并浓缩。用乙酸乙酯及己烷作为展开剂,使用柱层析法纯化经浓缩残余物,获得目标化合物1-63-1(4.25g,收率50%)。LC-MS:M/Z565.09(M+)。
2)中间体1-63-3的合成
在将化合物1-63-1(8.48g,15mmol)溶解在1,4-二恶烷(130mL)中后,向其中添加1-63-2(3.03g,14.5mmol)、Pd(PPh3)4(0.18g,0.15mmol)以及K2CO3(12.8克,93mmol),且在100℃下搅拌所得物6小时。在反应终止之后,将所得物冷却至室温,且用蒸馏水及乙酸乙酯萃取。有机层经MgSO4干燥,且接着过滤并浓缩。用乙酸乙酯及己烷作为展开剂,使用柱层析法纯化经浓缩残余物,获得目标化合物1-63-3(4.05g,收率42%)。LC-MS:M/Z 566.46(M+)。
3)化合物1-63的合成
在将化合物1-63-3(9.65g,15mmol)溶解在1,4-二恶烷(130mL)中后,向其中添加1-63-4(4.52g,15mmol)、Pd(PPh3)4(0.18g,0.15mmol)以及K2CO3(12.8克,93mmol),且在100℃下搅拌所得物6小时。在反应终止之后,将所得物冷却至室温,且用蒸馏水及乙酸乙酯萃取。有机层经MgSO4干燥,且接着过滤并浓缩。用乙酸乙酯及己烷作为展开剂,使用柱层析法纯化经浓缩残余物,获得目标化合物1-63(8.12g,收率66%)。LC-MS:M/Z 819.29(M+)。
实施例4:化合物2-50的合成
1)中间体1-50-2的合成
在将化合物2-50-1(5.07g,15mmol)溶解在1,4-二恶烷(130mL)中后,向其中添加1-01-6(5.30g,15mmol)、Pd(PPh3)4(0.18g,0.15mmol)以及K2CO3(12.8克,93mmol),且在100℃下搅拌所得物6小时。在反应终止之后,将所得物冷却至室温,且用蒸馏水及乙酸乙酯萃取。有机层经MgSO4干燥,且接着过滤并浓缩。用乙酸乙酯及己烷作为展开剂,使用柱层析法纯化经浓缩残余物,获得目标化合物2-50-2(6.63g,收率78%)。LC-MS:M/Z 565.09(M+)。
2)中间体2-50-2的合成
在将化合物2-50-2(8.50g,15mmol)溶解在1,4-二恶烷(130mL)中后,向其中添加2-50-3(2.35g,15mmol)、Pd(PPh3)4(0.18g,0.15mmol)以及K2CO3(12.8克,93mmol),且在100℃下搅拌所得物6小时。在反应终止之后,将所得物冷却至室温,且用蒸馏水及乙酸乙酯萃取。有机层经MgSO4干燥,且接着过滤并浓缩。用乙酸乙酯及己烷作为展开剂,使用柱层析法纯化经浓缩残余物,获得目标化合物2-50-4(7.18g,收率80%)。LC-MS:M/Z597.17(M+)。
3)化合物2-50的合成
在将化合物2-50-4(8.97g,15mmol)溶解在1,4-二恶烷(130mL)中后,向其中添加2-50-5(4.50g,15mmol)、Pd(PPh3)4(0.18g,0.15mmol)以及K2CO3(12.8克,93mmol),且在100℃下搅拌所得物6小时。在反应终止之后,将所得物冷却至室温,且用蒸馏水及乙酸乙酯萃取。有机层经MgSO4干燥,且接着过滤并浓缩。用乙酸乙酯及己烷作为展开剂,使用柱层析法纯化经浓缩残余物,获得目标化合物2-50(8.96g,收率73%)。LC-MS:M/Z 817.30(M+)。
实施例5:化合物2-64的合成
1)中间体2-64-2的合成
在将化合物2-50-1(5.04g,15mmol)溶解在1,4-二恶烷(130mL)中后,向其中添加2-64-1(5.31g,15mmol)、Pd(PPh3)4(0.18g,0.15mmol)以及K2CO3(12.8克,93mmol),且在100℃下搅拌所得物6小时。在反应终止之后,将所得物冷却至室温,且用蒸馏水及乙酸乙酯萃取。有机层经MgSO4干燥,且接着过滤并浓缩。用乙酸乙酯及己烷作为展开剂,使用柱层析法纯化经浓缩残余物,获得目标化合物2-64-2(3.40g,收率40%)。LC-MS:M/Z566.09(M+)。
2)化合物2-64的合成
在将化合物2-64-2(8.51g,15mmol)溶解在1,4-二恶烷(130mL)中后,向其中添加2-64-3(4.50g,15mmol)、Pd(PPh3)4(0.18g,0.15mmol)以及K2CO3(12.8克,93mmol),且在100℃下搅拌所得物6小时。在反应终止之后,将所得物冷却至室温,且用蒸馏水及乙酸乙酯萃取。有机层经MgSO4干燥,且接着过滤并浓缩。用乙酸乙酯及己烷作为展开剂,使用柱层析法纯化经浓缩残余物,获得目标化合物2-64(7.47g,收率67%)。LC-MS:M/Z 742.26(M+)。
实施例6:化合物3-09的合成
1)中间体3-09-2的合成
在将化合物3-9-1(5.07g,15mmol)溶解在1,4-二恶烷(130mL)中后,向其中添加2-64-4(5.31g,15mmol)、Pd(PPh3)4(0.18g,0.15mmol)以及K2CO3(12.8克,93mmol),且在100℃下搅拌所得物6小时。在反应终止之后,将所得物冷却至室温,且用蒸馏水及乙酸乙酯萃取。有机层经MgSO4干燥,且接着过滤并浓缩。用乙酸乙酯及己烷作为展开剂,使用柱层析法纯化经浓缩残余物,获得目标化合物3-09-2(4.00g,收率47%)。LC-MS:M/Z 566.09(M+)。
2)中间体3-09-3的合成
在氮气条件下,化合物3-09-2(5.67g,10mmol)溶解在DMF(50mL)后,向其中添加联硼酸频那醇酯(3.05g,12mmol)、醋酸钯(0.09g,0.04mmol)、乙酸钾(2.0g,20mmol),且在80-100℃反应5h;冷却后,加入EA萃取,有机相用硅藻土过滤后浓缩,将得到的粗品用乙醇洗涤,获得目标化合物3-09-3(6.08g,收率99%)。LC-MS:M/Z 614.26(M+)。
3)化合物3-09的合成
在将化合物3-09-3(9.22g,15mmol)溶解在1,4-二恶烷(130mL)中后,向其中添加3-09-4(5.04g,15mmol)、Pd(PPh3)4(0.18g,0.15mmol)以及K2CO3(12.8克,93mmol),且在100℃下搅拌所得物6小时。在反应终止之后,将所得物冷却至室温,且用蒸馏水及乙酸乙酯萃取。有机层经MgSO4干燥,且接着过滤并浓缩。用乙酸乙酯及己烷作为展开剂,使用柱层析法纯化经浓缩残余物,获得目标化合物3-09(4.19g,收率34%)。LC-MS:M/Z 820.28(M+)。
实施例7:化合物4-02的合成
1)中间体1-5-1的合成
在将化合物2-50-1(5.04g,15mmol)溶解在1,4-二恶烷(130mL)中后,向其中添加4-02-2(3.36g,15mmol)、Pd(PPh3)4(0.18g,0.15mmol)以及K2CO3(12.8克,93mmol),且在100℃下搅拌所得物6小时。在反应终止之后,将所得物冷却至室温,且用蒸馏水及乙酸乙酯萃取。有机层经MgSO4干燥,且接着过滤并浓缩。用乙酸乙酯及己烷作为展开剂,使用柱层析法纯化经浓缩残余物,获得目标化合物4-02-3(2.69g,收率41%)。LC-MS:M/Z 436.03(M+)。
2)中间体4-02的合成
在将化合物4-02-3(6.56g,15mmol)溶解在1,4-二恶烷(130mL)中后,向其中添加4-02-4(6.65g,15mmol)、Pd(PPh3)4(0.18g,0.15mmol)以及K2CO3(12.8克,93mmol),且在100℃下搅拌所得物6小时。在反应终止之后,将所得物冷却至室温,且用蒸馏水及乙酸乙酯萃取。有机层经MgSO4干燥,且接着过滤并浓缩。用乙酸乙酯及己烷作为展开剂,使用柱层析法纯化经浓缩残余物,获得目标化合物4-02(5.44g,收率48%)。LC-MS:M/Z 755.24(M+)。
实施例8:化合物4-05的合成
在将化合物4-02-3(6.56g,15mmol)溶解在1,4-二恶烷(130mL)中后,向其中添加4-05-1(6.47g,15mmol)、Pd(PPh3)4(0.18g,0.15mmol)以及K2CO3(12.8克,93mmol),且在100℃下搅拌所得物6小时。在反应终止之后,将所得物冷却至室温,且用蒸馏水及乙酸乙酯萃取。有机层经MgSO4干燥,且接着过滤并浓缩。用乙酸乙酯及己烷作为展开剂,使用柱层析法纯化经浓缩残余物,获得目标化合物4-05(6.12g,收率55%)。LC-MS:M/Z 741.26(M+)。
器件实施方案
下面将结合本发明实施例的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明的保护范围。
1.第一比较例实施方案
使ITO玻璃基板图案化,然后洗涤图案化的ITO玻璃基板,随后将该基板安放在真空室,且标准压力设定为1×10-6托。此后在ITO基板上蒸镀HATCN形成厚度为的第一空穴注入层(HIL),在上述第一空穴注入层上蒸镀HTL-1形成厚度为的空穴传输层(HTL),在上述空穴传输层上蒸镀CBP+RD-1(3wt%)形成厚度为的发光层(EML),依次用Ref-1蒸镀厚度为的电子传输层、蒸镀LiF/(厚度为)和Al(厚度为)形成阴极,从而制造了有机电致发光器件。
2.第二比较例实施方案
采用与上述第一比较例实施方案相同的方法制备第二比较例实施方案的有机电致发光器件,仅把有机电致发光器件的电子传输层(ETL)由第一比较例实施方案Ref-1替换为化合物Ref-2。
3.第一实施方案
采用与上述比较例一实施方案相同的方法制备第一实施方案的有机电致发光器件,仅把有机电致发光器件的电子传输层(ETL)由第一比较例实施方案Ref-1替换为化合物1-01。
4.第二实施方案
采用与上述比较例一实施方案相同的方法制备第二实施方案的有机电致发光器件,仅把有机电致发光器件的电子传输层(ETL)由第一比较例实施方案Ref-1替换为化合物1-35。
5.第三实施方案
采用与上述比较例一实施方案相同的方法制备第三实施方案的有机电致发光器件,仅把有机电致发光器件的电子传输层(ETL)由第一比较例实施方案Ref-1替换为化合物1-63。
6.第四实施方案
采用与上述比较例一实施方案相同的方法制备第四实施方案的有机电致发光器件,仅把有机电致发光器件的电子传输层(ETL)由第一比较例实施方案Ref-1替换为化合物2-50。
7.第五实施方案
采用与上述比较例一实施方案相同的方法制备第五实施方案的有机电致发光器件,仅把有机电致发光器件的电子传输层(ETL)由第一比较例实施方案Ref-1替换为化合物2-64.8.第六实施方案
采用与上述比较例一实施方案相同的方法制备第六实施方案的有机电致发光器件,仅把有机电致发光器件的电子传输层(ETL)由第一比较例实施方案Ref-1替换为化合物3-09。
9.第七实施方案
采用与上述比较例一实施方案相同的方法制备第七实施方案的有机电致发光器件,仅把有机电致发光器件的电子传输层(ETL)由第一比较例实施方案Ref-1替换为化合物4-02。
10.第八实施方案
采用与上述比较例一实施方案相同的方法制备第八实施方案的有机电致发光器件,仅把有机电致发光器件的电子传输层(ETL)由第一比较例实施方案Ref-1替换为化合物4-05。
表1为本发明实施例和比较例制备得到的有机电致发光器件的性能检测结果。
表1
如表1所示,包含根据本公开的特定化合物组合作为电子传输材料的有机电致发光器件具有比对比物质的有机电致发光装置降低驱动电压和提高效率。
以上描述了本发明的基本原理、主要特征和本发明的优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等同物界定。
Claims (6)
2.根据权利要求1所述的含芴类结构的嗪类化合物,其特征在于,R1、R2和R3至少一个选自如下基团:
苯基、萘基、联苯基、三联苯基、蒽基、三亚苯基、芴基、9,9-螺芴基和菲基中的一种。所述的C2-C30杂芳基选自吡啶基、联吡啶基、喹啉基、异喹啉基、嘧啶基、菲咯啉基、咔唑基、二苯并噻吩基、二苯并呋喃基、三氮唑基、噻二唑基、二苯氨基、三芳香胺基、吡啶联苯基、联苯吡啶基、喹唑啉基、喹喔啉基、苯并咪唑基、吖啶基、吲哚基、异吲哚基和三嗪基。
4.一种有机发光器件,其特征在于,所述有机发光器件包括阴极、阳极和置于所述两电极之间的一个或多个有机化合物层,所述的有机化合物层含有权利要求1~3任一项所述的含嗪类化合物。
5.根据权利要求4所述的有机发光器件,其特征在于,所述有机化合物层包括电子传输层,电子传输层中含有权利要求1~3任一项所述的含嗪类化合物。
6.根据权利要求5中所述的有机发光器件,其特征在于,所述有机化合物层包括空穴阻挡层,空穴阻挡层中含有权利要求1~3任一项所述的含嗪类化合物。
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