CN106700035A - 一种双核三手臂星型白光聚合物及其制备方法 - Google Patents
一种双核三手臂星型白光聚合物及其制备方法 Download PDFInfo
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- CN106700035A CN106700035A CN201611100142.0A CN201611100142A CN106700035A CN 106700035 A CN106700035 A CN 106700035A CN 201611100142 A CN201611100142 A CN 201611100142A CN 106700035 A CN106700035 A CN 106700035A
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- 229920000642 polymer Polymers 0.000 title claims abstract description 73
- 238000002360 preparation method Methods 0.000 title claims abstract description 44
- -1 diaryl maleimide Chemical compound 0.000 claims abstract description 18
- 238000012546 transfer Methods 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims description 49
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 39
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 38
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical class C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 38
- PEEHTFAAVSWFBL-UHFFFAOYSA-N Maleimide Chemical compound O=C1NC(=O)C=C1 PEEHTFAAVSWFBL-UHFFFAOYSA-N 0.000 claims description 35
- 239000000178 monomer Substances 0.000 claims description 33
- 125000006281 4-bromobenzyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1Br)C([H])([H])* 0.000 claims description 30
- 125000001246 bromo group Chemical group Br* 0.000 claims description 28
- 150000002220 fluorenes Chemical class 0.000 claims description 25
- 125000004800 4-bromophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1Br 0.000 claims description 21
- 229910052757 nitrogen Inorganic materials 0.000 claims description 19
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 18
- 239000004327 boric acid Substances 0.000 claims description 18
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 18
- 150000002475 indoles Chemical class 0.000 claims description 15
- 239000000126 substance Substances 0.000 claims description 14
- 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 claims description 13
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- 238000003811 acetone extraction Methods 0.000 claims description 12
- 239000012043 crude product Substances 0.000 claims description 12
- YWDUZLFWHVQCHY-UHFFFAOYSA-N 1,3,5-tribromobenzene Chemical class BrC1=CC(Br)=CC(Br)=C1 YWDUZLFWHVQCHY-UHFFFAOYSA-N 0.000 claims description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 9
- 239000002585 base Substances 0.000 claims description 9
- TUCRZHGAIRVWTI-UHFFFAOYSA-N 2-bromothiophene Chemical class BrC1=CC=CS1 TUCRZHGAIRVWTI-UHFFFAOYSA-N 0.000 claims description 7
- YLRBJYMANQKEAW-UHFFFAOYSA-N 1-bromo-4-(bromomethyl)benzene Chemical class BrCC1=CC=C(Br)C=C1 YLRBJYMANQKEAW-UHFFFAOYSA-N 0.000 claims description 6
- QUKGTSWEXWBYQC-UHFFFAOYSA-N BrC1=CC=CC=2C3=CC=CC=C3C(C1=2)(CCCC)CCCC Chemical class BrC1=CC=CC=2C3=CC=CC=C3C(C1=2)(CCCC)CCCC QUKGTSWEXWBYQC-UHFFFAOYSA-N 0.000 claims description 6
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000004440 column chromatography Methods 0.000 claims description 5
- UOPGXWZUDYOQEJ-UHFFFAOYSA-N 1-bromo-9,9-dioctylfluorene Chemical class BrC1=CC=CC=2C3=CC=CC=C3C(C1=2)(CCCCCCCC)CCCCCCCC UOPGXWZUDYOQEJ-UHFFFAOYSA-N 0.000 claims description 4
- VHHWAUKXFGPSRM-UHFFFAOYSA-N 1-bromo-9h-fluorene Chemical class C12=CC=CC=C2CC2=C1C=CC=C2Br VHHWAUKXFGPSRM-UHFFFAOYSA-N 0.000 claims description 4
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 claims description 4
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 4
- 239000012312 sodium hydride Substances 0.000 claims description 4
- 229910000104 sodium hydride Inorganic materials 0.000 claims description 4
- AFTLENGNXUCXDU-UHFFFAOYSA-N CCCCCCCCCCCCC1(C2=CC=CC=C2C3=C1C(=CC=C3)Br)CCCCCCCCCCCC Chemical class CCCCCCCCCCCCC1(C2=CC=CC=C2C3=C1C(=CC=C3)Br)CCCCCCCCCCCC AFTLENGNXUCXDU-UHFFFAOYSA-N 0.000 claims description 3
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 3
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 3
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 3
- 150000003923 2,5-pyrrolediones Chemical class 0.000 claims description 2
- 150000001642 boronic acid derivatives Chemical class 0.000 claims description 2
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 claims description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 claims 2
- IXPVCZISVUQGQL-UHFFFAOYSA-N 2-bromo-9,9-didecylfluorene Chemical class BrC1=CC=2C(C3=CC=CC=C3C=2C=C1)(CCCCCCCCCC)CCCCCCCCCC IXPVCZISVUQGQL-UHFFFAOYSA-N 0.000 claims 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims 1
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 230000001276 controlling effect Effects 0.000 abstract description 4
- 229920002098 polyfluorene Polymers 0.000 abstract description 3
- 150000001555 benzenes Chemical class 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 238000006069 Suzuki reaction reaction Methods 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000005286 illumination Methods 0.000 abstract 1
- 238000005580 one pot reaction Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 20
- 238000010521 absorption reaction Methods 0.000 description 11
- 238000000354 decomposition reaction Methods 0.000 description 11
- 238000001291 vacuum drying Methods 0.000 description 11
- 238000012805 post-processing Methods 0.000 description 9
- QARVLSVVCXYDNA-UHFFFAOYSA-N bromobenzene Chemical class BrC1=CC=CC=C1 QARVLSVVCXYDNA-UHFFFAOYSA-N 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 230000002776 aggregation Effects 0.000 description 4
- 238000004220 aggregation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- KZAXCMSPINJLNC-UHFFFAOYSA-N 2-bromo-9,9-didodecylfluorene Chemical class BrC1=CC=2C(C3=CC=CC=C3C=2C=C1)(CCCCCCCCCCCC)CCCCCCCCCCCC KZAXCMSPINJLNC-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 0 CC(C)(C)c(cc1C2(*)*)ccc1C1=CC=C(C(C)(C)C)C=C2C1=C Chemical compound CC(C)(C)c(cc1C2(*)*)ccc1C1=CC=C(C(C)(C)C)C=C2C1=C 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 125000006278 bromobenzyl group Chemical group 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 150000003949 imides Chemical class 0.000 description 2
- OHWIQIVPGPMWHV-UHFFFAOYSA-N 1,2-dihexyl-9h-fluorene Chemical class C1=CC=C2C3=CC=C(CCCCCC)C(CCCCCC)=C3CC2=C1 OHWIQIVPGPMWHV-UHFFFAOYSA-N 0.000 description 1
- ITVGRPGDCPNGHZ-UHFFFAOYSA-N 2-bromo-9,9-dioctylfluorene Chemical class C1=C(Br)C=C2C(CCCCCCCC)(CCCCCCCC)C3=CC=CC=C3C2=C1 ITVGRPGDCPNGHZ-UHFFFAOYSA-N 0.000 description 1
- AMDMKPPHOYOATF-UHFFFAOYSA-N CC1=CC=C(C[n]2c(cccc3)c3c(C(C(N3Cc4ccc(C)cc4)O)=C(c4c[n](CC5=CC=C(C)CC5)c5ccccc45)C3=O)c2)CC1 Chemical compound CC1=CC=C(C[n]2c(cccc3)c3c(C(C(N3Cc4ccc(C)cc4)O)=C(c4c[n](CC5=CC=C(C)CC5)c5ccccc45)C3=O)c2)CC1 AMDMKPPHOYOATF-UHFFFAOYSA-N 0.000 description 1
- KBGGUFFPAAZZCG-UHFFFAOYSA-N CC1SC(C(C(N2Cc3ccc(C)cc3)=O)=C(c3ccc(C)[s]3)C2=O)=CC1 Chemical compound CC1SC(C(C(N2Cc3ccc(C)cc3)=O)=C(c3ccc(C)[s]3)C2=O)=CC1 KBGGUFFPAAZZCG-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- OFMWYAXYUZLXTO-UHFFFAOYSA-N Cc1ccc(CN(C(C(C2c3ccc(C)cc3)c3ccc(C)cc3)=O)C2=O)cc1 Chemical compound Cc1ccc(CN(C(C(C2c3ccc(C)cc3)c3ccc(C)cc3)=O)C2=O)cc1 OFMWYAXYUZLXTO-UHFFFAOYSA-N 0.000 description 1
- 206010027476 Metastases Diseases 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 125000004799 bromophenyl group Chemical group 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000011097 chromatography purification Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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- 238000005227 gel permeation chromatography Methods 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 230000009878 intermolecular interaction Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
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- 238000004020 luminiscence type Methods 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 230000009401 metastasis Effects 0.000 description 1
- YCWSUKQGVSGXJO-NTUHNPAUSA-N nifuroxazide Chemical group C1=CC(O)=CC=C1C(=O)N\N=C\C1=CC=C([N+]([O-])=O)O1 YCWSUKQGVSGXJO-NTUHNPAUSA-N 0.000 description 1
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- 229930192474 thiophene Natural products 0.000 description 1
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- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/02—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/44—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having three double bonds between ring members or between ring members and non-ring members
- C07D207/444—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having three double bonds between ring members or between ring members and non-ring members having two doubly-bound oxygen atoms directly attached in positions 2 and 5
- C07D207/448—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having three double bonds between ring members or between ring members and non-ring members having two doubly-bound oxygen atoms directly attached in positions 2 and 5 with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms, e.g. maleimide
- C07D207/452—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having three double bonds between ring members or between ring members and non-ring members having two doubly-bound oxygen atoms directly attached in positions 2 and 5 with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms, e.g. maleimide with hydrocarbon radicals, substituted by hetero atoms, directly attached to the ring nitrogen atom
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- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/14—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing three or more hetero rings
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- C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
- C07D409/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
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- C08G2261/141—Side-chains having aliphatic units
- C08G2261/1412—Saturated aliphatic units
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- C08G2261/3142—Condensed aromatic systems, e.g. perylene, anthracene or pyrene fluorene-based, e.g. fluorene, indenofluorene, or spirobifluorene
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Abstract
本发明公开了一种双核三手臂星型白光聚合物及其制备方法。分别以不发光的苯衍生物和发光的二芳基马来酰亚胺为核,以发蓝光的聚芴为手臂,经Suzuki偶联反应一锅法制备双核三手臂星型白光聚合物。通过控制不发光核的含量来实现高度三维有序的星型结构;通过控制发光核的含量来调节手臂向核能量转移程度,实现白光发射。本发明的双核三手臂星型白光聚合物具有热稳定性好、分子量高、固态荧光量子效率高、成膜性好等优点,能够满足发光二极管(OLED)的要求,在背光源、照明光源上具有非常广阔的应用前景。
Description
技术领域
本发明涉及一种双核三手臂星型白光聚合物及其制备方法,属于有机光电子材料与技术领域。
背景技术
近年来,白色有机发光二极管(WOLEDs)在全彩显示、背光源、照明光源上具有非常广阔的应用前景,受到学术界和产业界的密切关注。目前白光器件多采用将三基色或互补色发光体组成多层结构或将它们共混、共掺杂在一起形成单层结构的方法来实现白光发射。但各发光体间不必要的能量转移和分子间相互作用而导致的聚集是影响器件效率和发光纯度的主要因素之一。因此,有效地抑制分子聚集和发光团间不必要的能量转移,而使每个发光体独立发光,同时提高发光体间的相容性,避免相分离的发生,是实现高效和稳定白光的关键环节。近年来出现的星型白光聚合物是非常有前途的一类发光材料,因为三维星型空间结构不仅具有区域隔离效应,有效抑制分子间聚集,还能赋予材料优异的性能。但目前研究的星型白光聚合物都是以橙光(或黄光)的客体为核,以蓝光的聚芴为手臂。要实现白光发射,这些核染料的含量必须控制在很低,如0.01%-0.03%,但这么低的含量很难避免芴的均聚物或齐聚物产生,导致星形聚合物的纯度不高,阻止分子间聚集程度有限。因此,如何开发出纯度高、发光效率高的星型白光聚合物材料,是当前的研究热点之一,其制备工艺和作用机制还有待进一步深入研究。
发明内容
本发明的目的是提供一种双核三手臂星型白光聚合物;发明的另一目的是提供一种双核三手臂星型白光聚合物的制备方法。即分别以不发光的苯衍生物和发光的二芳基马来酰亚胺为核,以发蓝光的聚芴为手臂,通过调控双核的含量和手臂向核能量转移程度,实现纯度高、发光量子产率高的星型白光聚合物。
为实现本发明的目的,本发明提供了一种双核三手臂星型白光聚合物,其化学结构式如下式所示:
其中:x、y、z、l、m、n=3~30;R为烷基;
Ar1:
Ar2:
本发明所述的一种双核三手臂星型白光聚合物的制备方法主要包括两个关键步骤:三溴代3,4-二芳基马来酰亚胺单体的制备和双核三手臂星型白光聚合物的制备。具体制备方法如下:1)三溴代3,4-二芳基马来酰亚胺单体的制备
在氮气保护下向一定量的3,4-二芳基马来酰亚胺中分别加入1~5倍摩尔量的碱和1~30倍摩尔量的四氢呋喃,溶解后,搅拌反应1小时,缓慢滴加3,4-二芳基马来酰亚胺1~6倍摩尔量的4-溴苄溴,继续反应5~6小时,再用质量浓度为1%盐酸水溶液中和,停止反应;用二氯甲烷萃取三次,再用饱和食盐水洗涤,无水硫酸镁干燥、过滤、旋蒸、柱层析提纯,得到三溴代3,4-二芳基马来酰亚胺单体;
所述3,4-二芳基马来酰亚胺为3,4-二(4-溴苯基)马来酰亚胺、3,4-二(5-溴噻吩-2-)马来酰亚胺、3,4-二(吲哚-3-)马来酰亚胺或N-(4-溴苯基)-3,4-二(吲哚-3-)马来酰亚胺。
所述的碱为碳酸钾、甲醇钠、乙醇钠、叔丁醇钾或氢化钠。
2)双核三手臂星型白光聚合物的制备
在氮气保护下向一定量的单溴代芴硼酸衍生物加入0.01~0.5%倍摩尔量的三溴代3,4-二芳基马来酰亚胺单体和1~10%倍摩尔量的三溴代芳香类反应单体,用单溴代芴硼酸衍生物50~150倍摩尔量的四氢呋喃溶解,再加入单溴代芴硼酸衍生物5~20倍摩尔量的2M的碳酸钾水溶液、单溴代芴硼酸衍生物0.5~5%倍摩尔量的四(三苯基膦)钯,回流反应68~72小时后,用甲醇析出粗产物,并用丙酮抽提24~28小时,真空干燥,得到纯的十二手臂单一白光星形聚合物。
所述三溴代3,4-二芳基马来酰亚胺单体为N-(4-溴苄基)-3,4-二(4-溴苯基)马来酰亚胺、N-(4-溴苄基)-3,4-二(5-溴噻吩-2-)马来酰亚胺、N-(4-溴苯基)-3,4-二[N-(4-溴苄基)吲哚-3-]马来酰亚胺或N-(4-溴苄基)-3,4-二[N-(4-溴苄基)吲哚-3-]马来酰亚胺。
所述三溴代的芳香类反应单体为1,3,5-三溴苯、三(4-溴苯基)胺、1,3,5-三(4-溴苯基)苯或2,4,6-三(4-溴苯基)-1,3,5-三嗪。
所述单溴代的芴硼酸衍生物为7-溴-9,9-二丁基芴-2-硼酸、7-溴-9,9-二丁基芴-2-硼酸频那醇酯、7-溴-9,9-二己基芴-2-硼酸、7-溴-9,9-二己基芴-2-硼酸频那醇酯、7-溴-9,9-二辛基芴-2-硼酸、7-溴-9,9-二辛基芴-2-硼酸频那醇酯、7-溴-9,9-二癸基芴-2-硼酸、7-溴-9,9-二癸基芴-2-硼酸频那醇酯、7-溴-9,9-二(十二烷基)芴-2-硼酸或7-溴-9,9-二(十二烷基)芴-2-硼酸频那醇酯。
本发明通过控制三溴代的3,4-二芳基马来酰亚胺单体和三溴代的芳香类反应单体的含量,调节有效共轭长度和能量转移程度,实现白光发射。
本发明的双核三手臂星型白光聚合物具有热稳定性好、分子量高、固态荧光量子效率高、成膜性好等优点,它在各种溶剂,如氯仿、甲苯、四氢呋喃和氯苯等中具有良好的溶解性,可以通过旋涂或喷墨打印等方法得到高质量的薄膜。因此,它在背光源、照明光源上具有非常广阔的应用前景。
附图说明
图1.本发明所述的双核三手臂星型白光聚合物的化学结构式。
图2.实施例5中制备的双核三手臂星型白光聚合物凝胶渗透色谱图。
图3.实施例5中制备的双核三手臂星型白光聚合物在薄膜下的光致发光谱图。
具体实施方式
下述实施例是对本发明的进一步说明,而不是限制本发明的范围。
实施例1:N-(4-溴苄基)-3,4-二(4-溴苯基)马来酰亚胺单体的制备
在氮气保护下向0.24g(0.6mmol)的3,4-二(4-溴苯基)马来酰亚胺中加入0.083g(0.6mmol)的无水碳酸钾,再加入5ml的四氢呋喃作溶剂,溶解后,搅拌反应1小时后,缓慢滴加0.15g(0.6mmol)的4-溴苄溴,继续反应5小时后,用质量浓度为1%盐酸水溶液中和,停止反应,用二氯甲烷萃取三次,再用饱和食盐水洗涤,无水硫酸镁干燥、过滤、旋蒸、柱层析提纯,得到N-(4-溴苄基)-3,4-二(4-溴苯基)马来酰亚胺单体,产率81%。
实施例2:N-(4-溴苄基)-3,4-二(5-溴噻吩-2-)马来酰亚胺单体的制备
在氮气保护下向0.25g(0.6mmol)的3,4-二(5-溴噻吩-2-)马来酰亚胺中加入0.1g(0.9mmol)的叔丁醇钾,再加入7ml的四氢呋喃作溶剂,溶解后,搅拌反应1小时后,缓慢滴加0.18g(0.72mmol)的4-溴苄溴,继续反应5小时后,用质量浓度为1%盐酸水溶液中和,停止反应,用二氯甲烷萃取三次,再用饱和食盐水洗涤,无水硫酸镁干燥、过滤、旋蒸、柱层析提纯,得到N-(4-溴苄基)-3,4-二(5-溴噻吩-2-)马来酰亚胺单体,产率86%。
实施例3:N-(4-溴苯基)-3,4-二[N-(4-溴苄基)吲哚-3-]马来酰亚胺单体的制备
在氮气保护下向0.29g(0.6mmol)的N-(4-溴苯基)-3,4-二(吲哚-3-)马来酰亚胺中加入0.043g(1.8mmol)的氢化钠,再加入10ml的四氢呋喃作溶剂,溶解后,搅拌反应1小时后,缓慢滴加0.325g(1.3mmol)的4-溴苄溴,继续反应5小时后,用质量浓度为1%盐酸水溶液中和,停止反应,用二氯甲烷萃取三次,再用饱和食盐水洗涤,无水硫酸镁干燥、过滤、旋蒸、柱层析提纯,得到N-(4-溴苄基)-3,4-二[N-(4-溴苄基)吲哚-3-]马来酰亚胺单体,产率78%。
实施例4:N-(4-溴苄基)-3,4-二[N-(4-溴苄基)吲哚-3-]马来酰亚胺单体的制备
在氮气保护下向0.196g(0.6mmol)的3,4-二(吲哚-3-)马来酰亚胺中加入0.043g(1.8mmol)的氢化钠,再加入10ml的四氢呋喃作溶剂,溶解后,搅拌反应1小时后,缓慢滴加0.5g(2.0mmol)的4-溴苄溴,继续反应5小时后,用质量浓度为1%盐酸水溶液中和,停止反应,用二氯甲烷萃取三次,再用饱和食盐水洗涤,无水硫酸镁干燥、过滤、旋蒸、柱层析提纯,得到N-(4-溴苄基)-3,4-二[N-(4-溴苄基)吲哚-3-]马来酰亚胺单体,产率78%。
实施例5:双核三手臂星型白光聚合物的制备与表征
在氮气保护下向反应瓶中加入0.03mg(5×10-5mmol)的N-(4-溴苄基)-3,4-二(4-溴苯基)马来酰亚胺、1.57mg(0.005mmol)的1,3,5-三溴苯和0.27g(0.5mmol)的7-溴-9,9-二己基芴-2-硼酸频那醇酯,用5ml的四氢呋喃溶解,再加入2M的碳酸钾水溶液2ml、6mg(0.005mmol)的四(三苯基膦)钯,回流反应72小时后,用甲醇析出粗产物,并用丙酮抽提24小时,真空干燥,得到纯的双核三手臂星型白光聚合物,产率70%。产物性能:重均分子量为25036,热分解温度410℃,薄膜紫外最大吸收峰为382nm,薄膜荧光发射峰为439nm和546nm。
实施例6:双核三手臂星型白光聚合物的制备与表征
在氮气保护下向反应瓶中加入0.035mg(6×10-5mmol)的N-(4-溴苄基)-3,4-二(5-溴噻吩-2-)马来酰亚胺、1.57mg(0.005mmol)的1,3,5-三溴苯和0.27g(0.5mmol)的7-溴-9,9-二己基芴-2-硼酸频那醇酯,用6ml的四氢呋喃溶解,再加入2M的碳酸钾水溶液2ml、6mg(0.005mmol)的四(三苯基膦)钯,回流反应72小时后,用甲醇析出粗产物,并用丙酮抽提24小时,真空干燥,得到纯的双核三手臂星型白光聚合物,产率63%。产物性能:重均分子量为18258,热分解温度400℃,薄膜紫外最大吸收峰为381nm,薄膜荧光发射峰为442nm和583nm。
实施例7:双核三手臂星型白光聚合物的制备与表征
在氮气保护下向反应瓶中加入0.057mg(7×10-5mmol)的N-(4-溴苯基)-3,4-二[N-(4-溴苄基)吲哚-3-]马来酰亚胺、1.57mg(0.005mmol)的1,3,5-三溴苯和0.27g(0.5mmol)的7-溴-9,9-二己基芴-2-硼酸频那醇酯,用7ml的四氢呋喃溶解,再加入2M的碳酸钾水溶液2ml、6mg(0.005mmol)的四(三苯基膦)钯,回流反应72小时后,用甲醇析出粗产物,并用丙酮抽提24小时,真空干燥,得到纯的双核三手臂星型白光聚合物,产率58%。产物性能:重均分子量为14687,热分解温度415℃,薄膜紫外最大吸收峰为386nm,薄膜荧光发射峰为444nm和553nm。
实施例8:双核三手臂星型白光聚合物的制备与表征
在氮气保护下向反应瓶中加入0.067mg(8×10-5mmol)的N-(4-溴苄基)-3,4-二[N-(4-溴苄基)吲哚-3-]马来酰亚胺、1.57mg(0.005mmol)的1,3,5-三溴苯和0.27g(0.5mmol)的7-溴-9,9-二己基芴-2-硼酸频那醇酯,用8ml的四氢呋喃溶解,再加入2M的碳酸钾水溶液2ml、6mg(0.005mmol)的四(三苯基膦)钯,回流反应72小时后,用甲醇析出粗产物,并用丙酮抽提24小时,真空干燥,得到纯的双核三手臂星型白光聚合物,产率67%。产物性能:重均分子量为16857,热分解温度409℃,薄膜紫外最大吸收峰为385nm,薄膜荧光发射峰为447nm和548nm。
实施例9:双核三手臂星型白光聚合物的制备与表征
在氮气保护下向反应瓶中加入0.052mg(9×10-5mmol)的N-(4-溴苄基)-3,4-二(4-溴苯基)马来酰亚胺、2.41mg(0.005mmol)的三(4-溴苯基)胺和0.27g(0.5mmol)的7-溴-9,9-二己基芴-2-硼酸频那醇酯,用9ml的四氢呋喃溶解,再加入2M的碳酸钾水溶液2ml、6mg(0.005mmol)的四(三苯基膦)钯,回流反应72小时后,用甲醇析出粗产物,并用丙酮抽提24小时,真空干燥,得到纯的双核三手臂星型白光聚合物,产率75%。产物性能:重均分子量为24387,热分解温度412℃,薄膜紫外最大吸收峰为383nm,薄膜荧光发射峰为445nm和540nm。
实施例10:双核三手臂星型白光聚合物的制备与表征
在氮气保护下向反应瓶中加入0.058mg(1×10-4mmol)的N-(4-溴苄基)-3,4-二(4-溴苯基)马来酰亚胺、2.72mg(0.005mmol)的1,3,5-三(4-溴苯基)苯和0.27g(0.5mmol)的7-溴-9,9-二己基芴-2-硼酸频那醇酯,用10ml的四氢呋喃溶解,再加入2M的碳酸钾水溶液2ml、6mg(0.005mmol)的四(三苯基膦)钯,回流反应72小时后,用甲醇析出粗产物,并用丙酮抽提24小时,真空干燥,得到纯的双核三手臂星型白光聚合物,产率83%。产物性能:重均分子量为21286,热分解温度418℃,薄膜紫外最大吸收峰为386nm,薄膜荧光发射峰为441nm和550nm。
实施例11:双核三手臂星型白光聚合物的制备与表征
在氮气保护下向反应瓶中加入0.058mg(1×10-4mmol)的N-(4-溴苄基)-3,4-二(4-溴苯基)马来酰亚胺、2.73mg(0.005mmol)的2,4,6-三(4-溴苯基)-1,3,5-三嗪和0.27g(0.5mmol)的7-溴-9,9-二己基芴-2-硼酸频那醇酯,用10ml的四氢呋喃溶解,再加入2M的碳酸钾水溶液2ml、6mg(0.005mmol)的四(三苯基膦)钯,回流反应72小时后,用甲醇析出粗产物,并用丙酮抽提24小时,真空干燥,得到纯的双核三手臂星型白光聚合物,产率72%。产物性能:重均分子量为19385,热分解温度417℃,薄膜紫外最大吸收峰为381nm,薄膜荧光发射峰为443nm和540nm。
实施例12:双核三手臂星型白光聚合物的制备与表征
在氮气保护下向反应瓶中加入0.03mg(5×10-5mmol)的N-(4-溴苄基)-3,4-二(4-溴苯基)马来酰亚胺、1.9mg(0.006mmol)的1,3,5-三溴苯和0.27g(0.5mmol)的7-溴-9,9-二丁基芴-2-硼酸频那醇酯,用5ml的四氢呋喃溶解,再加入2M的碳酸钾水溶液2ml、6mg(0.005mmol)的四(三苯基膦)钯,回流反应72小时后,用甲醇析出粗产物,并用丙酮抽提24小时,真空干燥,得到纯的双核三手臂星型白光聚合物,产率69%。产物性能:重均分子量为26898,热分解温度413℃,薄膜紫外最大吸收峰为384nm,薄膜荧光发射峰为442nm和545nm。
实施例13:双核三手臂星型白光聚合物的制备与表征
在氮气保护下向反应瓶中加入0.03mg(5×10-5mmol)的N-(4-溴苄基)-3,4-二(4-溴苯基)马来酰亚胺、2.2mg(0.007mmol)的1,3,5-三溴苯和0.27g(0.5mmol)的7-溴-9,9-二辛基芴-2-硼酸频那醇酯,用5ml的四氢呋喃溶解,再加入2M的碳酸钾水溶液2ml、6mg(0.005mmol)的四(三苯基膦)钯,回流反应72小时后,用甲醇析出粗产物,并用丙酮抽提24小时,真空干燥,得到纯的双核三手臂星型白光聚合物,产率68%。产物性能:重均分子量为22687,热分解温度411℃,薄膜紫外最大吸收峰为384nm,薄膜荧光发射峰为444nm和546nm。
实施例14:双核三手臂星型白光聚合物的制备与表征
在氮气保护下向反应瓶中加入0.03mg(5×10-5mmol)的N-(4-溴苄基)-3,4-二(4-溴苯基)马来酰亚胺、2.52mg(0.008mmol)的1,3,5-三溴苯和0.27g(0.5mmol)的7-溴-9,9-二癸基芴-2-硼酸频那醇酯,用5ml的四氢呋喃溶解,再加入2M的碳酸钾水溶液2ml、6mg(0.005mmol)的四(三苯基膦)钯,回流反应72小时后,用甲醇析出粗产物,并用丙酮抽提24小时,真空干燥,得到纯的双核三手臂星型白光聚合物,产率59%。产物性能:重均分子量为22457,热分解温度412℃,薄膜紫外最大吸收峰为383nm,薄膜荧光发射峰为443nm和545nm。
实施例15:双核三手臂星型白光聚合物的制备与表征
在氮气保护下向反应瓶中加入0.03mg(5×10-5mmol)的N-(4-溴苄基)-3,4-二(4-溴苯基)马来酰亚胺、2.83mg(0.009mmol)的1,3,5-三溴苯和0.27g(0.5mmol)的7-溴-9,9-二(十二基)芴-2-硼酸频那醇酯,用5ml的四氢呋喃溶解,再加入2M的碳酸钾水溶液2ml、6mg(0.005mmol)的四(三苯基膦)钯,回流反应72小时后,用甲醇析出粗产物,并用丙酮抽提24小时,真空干燥,得到纯的双核三手臂星型白光聚合物,产率75%。产物性能:重均分子量为21567,热分解温度414℃,薄膜紫外最大吸收峰为381nm,薄膜荧光发射峰为442nm和541nm。
实施例16:双核三手臂星型白光聚合物的制备与表征
将单溴代的芴硼酸衍生物7-溴-9,9-二丁基芴-2-硼酸代替0.27g(0.5mmol)的7-溴-9,9-二己基芴-2-硼酸频那醇酯,其他单体投料比和反应条件、后处理步骤同实施例5,得到纯的十二手臂单一白光星形聚合物,产物产率为68%。
实施例17:双核三手臂星型白光聚合物的制备与表征
将单溴代的芴硼酸衍生物7-溴-9,9-二己基芴-2-硼酸代替0.27g(0.5mmol)的7-溴-9,9-二己基芴-2-硼酸频那醇酯,其他单体投料比和反应条件、后处理步骤同实施例5,得到纯的十二手臂单一白光星形聚合物,产物产率为75%。
实施例18:双核三手臂星型白光聚合物的制备与表征
将单溴代的芴硼酸衍生物7-溴-9,9-二辛基芴-2-硼酸代替0.27g(0.5mmol)的7-溴-9,9-二己基芴-2-硼酸频那醇酯,其他单体投料比和反应条件、后处理步骤同实施例5,得到纯的十二手臂单一白光星形聚合物,产物产率为69%。
实施例19:双核三手臂星型白光聚合物的制备与表征
将单溴代的芴硼酸衍生物7-溴-9,9-二癸基芴-2-硼酸代替0.27g(0.5mmol)的7-溴-9,9-二己基芴-2-硼酸频那醇酯,其他单体投料比和反应条件、后处理步骤同实施例5,得到纯的十二手臂单一白光星形聚合物,产物产率为80%。
实施例20:双核三手臂星型白光聚合物的制备与表征
将单溴代的芴硼酸衍生物7-溴-9,9-二(十二烷基)芴-2-硼酸代替0.27g(0.5mmol)的7-溴-9,9-二己基芴-2-硼酸频那醇酯,其他单体投料比和反应条件、后处理步骤同实施例5,得到纯的十二手臂单一白光星形聚合物,产物产率为74%。
实施例21:双核三手臂星型白光聚合物的制备与表征
将单溴代的芴硼酸衍生物7-溴-9,9-二丁基芴-2-硼酸频那醇酯代替0.27g(0.5mmol)的7-溴-9,9-二己基芴-2-硼酸频那醇酯,其他单体投料比和反应条件、后处理步骤同实施例5,得到纯的十二手臂单一白光星形聚合物,产物产率为67%。
实施例22:双核三手臂星型白光聚合物的制备与表征
将单溴代的芴硼酸衍生物7-溴-9,9-二辛基芴-2-硼酸频那醇酯代替0.27g(0.5mmol)的7-溴-9,9-二己基芴-2-硼酸频那醇酯,其他单体投料比和反应条件、后处理步骤同实施例5,得到纯的十二手臂单一白光星形聚合物,产物产率为73%。
实施例23:双核三手臂星型白光聚合物的制备与表征
将单溴代的芴硼酸衍生物7-溴-9,9-二癸基芴-2-硼酸频那醇酯代替0.27g(0.5mmol)的7-溴-9,9-二己基芴-2-硼酸频那醇酯,其他单体投料比和反应条件、后处理步骤同实施例5,得到纯的十二手臂单一白光星形聚合物,产物产率为74%。
实施例24:双核三手臂星型白光聚合物的制备与表征
将单溴代的芴硼酸衍生物7-溴-9,9-二(十二烷基)芴-2-硼酸频那醇酯代替0.27g(0.5mmol)的7-溴-9,9-二己基芴-2-硼酸频那醇酯,其他单体投料比和反应条件、后处理步骤同实施例5,得到纯的十二手臂单一白光星形聚合物,产物产率为69%。
Claims (10)
1.一种双核三手臂星型白光聚合物,其特征在于具有如下化学结构式:
其中:x、y、z、l、m、n=3~30;R为烷基。
2.如权利要求1所述的一种双核三手臂星型白光聚合物,其特征在于所述Ar1为以下中的一种:
Ar2为以下中的一种:
3.如权利要求1所示的一种双核三手臂星型白光聚合物,其特征在于所述烷基为丁基、己基、辛基、癸基或十二烷基。
4.一种双核三手臂星型白光聚合物的制备方法,其特征在于:
1)三溴代3,4-二芳基马来酰亚胺单体的制备
在氮气保护下向一定量的3,4-二芳基马来酰亚胺中分别加入1~5倍摩尔量的碱和1~30倍摩尔量的四氢呋喃,溶解后,搅拌反应1小时,缓慢滴加3,4-二芳基马来酰亚胺1~6倍摩尔量的4-溴苄溴,继续反应5~6小时,再用质量浓度为1%盐酸水溶液中和,停止反应;用二氯甲烷萃取三次,再用饱和食盐水洗涤,无水硫酸镁干燥、过滤、旋蒸、柱层析提纯,得到三溴代3,4-二芳基马来酰亚胺单体;
2)双核三手臂星型白光聚合物的制备
在氮气保护下向一定量的单溴代芴硼酸衍生物加入0.01~0.5%倍摩尔量的三溴代3,4-二芳基马来酰亚胺单体和1~10%倍摩尔量的三溴代芳香类反应单体,用单溴代芴硼酸衍生物50~150倍摩尔量的四氢呋喃溶解,再加入单溴代芴硼酸衍生物5~20倍摩尔量的2M的碳酸钾水溶液、单溴代芴硼酸衍生物0.5-5%倍摩尔量的四(三苯基膦)钯,回流反应68~72小时后,用甲醇析出粗产物,并用丙酮抽提24~28小时,真空干燥,得到纯的十二手臂单一白光星形聚合物。
5.根据权利要求4所述的一种双核三手臂星型白光聚合物的制备方法,其特征在于所述3,4-二芳基马来酰亚胺为3,4-二(4-溴苯基)马来酰亚胺、3,4-二(5-溴噻吩-2-)马来酰亚胺、3,4-二(吲哚-3-)马来酰亚胺或N-(4-溴苯基)-3,4-二(吲哚-3-)马来酰亚胺。
6.根据权利要求4所述的一种双核三手臂星型白光聚合物的制备方法,其特征在于所述碱为碳酸钾、甲醇钠、乙醇钠、叔丁醇钾或氢化钠。
7.根据权利要求4所述的一种双核三手臂星型白光聚合物的制备方法,其特征在于所述三溴代3,4-二芳基马来酰亚胺单体为N-(4-溴苄基)-3,4-二(4-溴苯基)马来酰亚胺、N-(4-溴苄基)-3,4-二(5-溴噻吩-2-)马来酰亚胺、N-(4-溴苯基)-3,4-二[N-(4-溴苄基)吲哚-3-]马来酰亚胺或N-(4-溴苄基)-3,4-二[N-(4-溴苄基)吲哚-3-]马来酰亚胺。
8.根据权利要求4所述的一种双核三手臂星型白光聚合物的制备方法,其特征在于所述三溴代的芳香类反应单体为1,3,5-三溴苯、三(4-溴苯基)胺、1,3,5-三(4-溴苯基)苯或2,4,6-三(4-溴苯基)-1,3,5-三嗪。
9.根据权利要求3所述的一种双核三手臂星型白光聚合物的制备方法,其特征在于所述单溴代的芴硼酸衍生物为7-溴-9,9-二丁基芴-2-硼酸、7-溴-9,9-二丁基芴-2-硼酸频那醇酯、7-溴-9,9-二己基芴-2-硼酸、7-溴-9,9-二己基芴-2-硼酸频那醇酯、7-溴-9,9-二辛基芴-2-硼酸、7-溴-9,9-二辛基芴-2-硼酸频那醇酯、7-溴-9,9-二癸基芴-2-硼酸、7-溴-9,9-二癸基芴-2-硼酸频那醇酯、7-溴-9,9-二(十二烷基)芴-2-硼酸或7-溴-9,9-二(十二烷基)芴-2-硼酸频那醇酯。
10.根据权利要求3所述的一种双核三手臂星型白光聚合物的制备方法,其特征在于通过控制三溴代的3,4-二芳基马来酰亚胺单体和三溴代的芳香类反应单体的含量,调节有效共轭长度和能量转移程度,实现白光发射。
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