An ambipolar 3,3′-dimethyl-9,9′-bianthracene derivative as a blue host material for high-performance OLEDs

Zhanfeng Li; Xiangkun Wang; Xiang Lv; Changfeng Si; Bin Wei; Hua Wang; Yuying Hao

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An ambipolar 3,3′-dimethyl-9,9′-bianthracene derivative as a blue host material for high-performance OLEDs

机译：双极性3,3'-二甲基-9,9'-联蒽衍生物作为高性能OLED的蓝色主体材料

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A new ambipolar deep blue fluorophore with a non-donor–acceptor structure, MBAn-(4)-tBu (10,10′-bis-(4-tert-butyl-phenyl)-3,3′-dimethyl-9,9′-bianthracene), was designed and synthesized based on 3,3′-dimethyl-9,9′-bianthracene. The twisted conformation of the two anthracene units and the bulky end group substituted with a tert-butyl group in MBAn-(4)-tBu prevented π-conjugation effectively. In particular, MBAn-(4)-tBu in a non-doped device exhibited a maximum external quantum efficiency (EQE) of 3.94% with Commission Internationale de l’éclairage (CIE) coordinates of (0.16, 0.07) and a narrow full width at half maximum of 49 nm, which was close to the CIE of high definition television standard blue. Furthermore, MBAn-(4)-tBu worked as an excellent fluorescent host for BD1 and DSA-ph dopants to obtain high performance OLEDs with excellent EQEs of 5.26% and 6.96%, respectively. These results demonstrate that the ambipolar 3,3′-dimethyl-9,9′-bianthracene molecule with a non-donor–acceptor structure is advantageous for the fabrication of highly efficient blue fluorescent OLEDs.

机译：一种新的具有非供体-受体结构的双极性深蓝色荧光团，MBAn-（4）- t Bu（10,10′-bis-（4- tert -基于3,3'-二甲基-9,9'-联蒽设计合成了丁基-苯基）-3,3'-二甲基-9,9'-联蒽。 MBAn-（4）- t Bu中两个蒽单元的扭曲构象和被叔-丁基取代的庞大端基有效地阻止了π-共轭。尤其是，未掺杂的器件中的MBAn-（4）- t Bu表现出3.94％的最大外部量子效率（EQE），而国际照明委员会（CIE）坐标为（0.16 ，0.07）和49nm的一半的一半的窄全宽，接近高清电视标准蓝色的CIE。此外，MBAn-（4）- t Bu可以用作BD1和DSA-ph掺杂剂的优异荧光主体，从而获得高性能EOLED，其EQE分别为5.26％和6.96％。这些结果表明，具有非供体-受体结构的双极性3,3'-二甲基-9,9'-联蒽分子对于制备高效蓝色荧光OLED有利。 展开▼

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《RSC Advances》 |2017年第77期|共8页

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Zhanfeng Li; Xiangkun Wang; Xiang Lv; Changfeng Si; Bin Wei; Hua Wang; Yuying Hao;
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中图分类化学;

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1. An ambipolar 3,3′-dimethyl-9,9′-bianthracene derivative as a blue host material for high-performance OLEDs [J] . Zhanfeng Li, Xiangkun Wang, Xiang Lv, RSC Advances . 2017,第77期

机译：双极性3,3'-二甲基-9,9'-联蒽衍生物作为高性能OLED的蓝色主体材料

2. An ambipolar 3,3 '-dimethyl-9,9 '-bianthracene derivative as a blue host material for highperformance OLEDs [J] . Li Zhanfeng, Wang Xiangkun, Lv Xiang, RSC Advances . 2017,第77期

机译：Ambipolar 3,3'-二甲基-9,9,9'-基安酰胺衍生物作为高矿石的蓝色主体材料

3. Fluorinated 9,9'-bianthracene derivatives with twisted intramolecular charge-transfer excited states as blue host materials for high-performance fluorescent electroluminescence [J] . Yue Yu, Bo Jiao, Zhaoxin Wu Journal of Materials Chemistry, C. materials for optical and electronic devices . 2014,第44期

机译：具有扭曲的分子内电荷转移激发态的氟化9,9'-联蒽衍生物为蓝色主体材料，用于高性能荧光电致发光

4. Highly efficient blue OLEDs using ter(9,9-diarylfluorene)s with ambipolar carrier transport properties [C] . Lin, Y.-T., Liu, . 2003

机译：使用具有双极性载流子传输特性的叔（9,9-二芳基芴）的高效蓝色OLED

5. Heteroatom-Doped Graphene Nanotubes as Carbon Host Materials for High-Performance Lithium-Sulfur Batteries [D] . Hultman, Benjamin Thomas 2018

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6. Blue fluorescent OLED materials and their application for high-performance devices [O] . Hitoshi Kuma, Chishio Hosokawa 2014

机译：蓝色荧光OLED材料及其在高性能设备中的应用

7. 2-Substituted vs 4-substituted-9,9′-spirobifluorene host materials for green and blue phosphorescent OLEDs: a structure-property relationship study [O] . Thiery Sebastien, Declairieux Céline, Tondelier Denis, 2014

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2. 一种联咔唑类双极性蓝色磷光主体材料的合成及性能 [J] . 陈雨 ,张强 ,刘娅静 . 影像科学与光化学 . 2016,第004期

3. 10,10'-二甲基-3,3'-二磺酸基-9,9'-双吖啶的电致化学发光行为 [J] . 黄风华 ,庄惠生 ,陈国南 . 物理化学学报 . 2007,第010期

4. 1,10-邻菲啰啉与4,5-双二苯基膦-9,9-二甲基氧杂蒽混合配位铜(Ⅰ)的合成与表征 [J] . 王斌 ,韩贤柱 ,刘鲲 . 天津师范大学学报（自然科学版） . 2014,第003期

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6. 10,10'-二甲基-3,3'-二磺酸基-9,9'-双吖啶的电化学行为及其应用研究 [C] . 许雪琴 ,林庆文 ,张伟 . 中国化学会第七届分析化学年会暨原子光谱学术会议 . 2000

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1. 3,3’-二甲基-9,9’-联蒽的合成方法 [P] . 中国专利： CN102807467B . 2015.11.25

2. 3,3’-二甲基-9,9’-联蒽的合成方法 [P] . 中国专利： CN102807467A . 2012-12-05

3. 9,9'- AND 2,2'-SUBSTITUTED 3,3'-BICARBAZOLYL DERIVATIVES FOR USE IN SEMICONDUCTING MATERIALS AS A HOST MATRIX FOR PHOSPHORESCENT EMITTERS [P] . 外国专利： KR101249234B1 . 2013-04-01

机译：9,9'-和2,2'取代的3,3'-双碳杂唑衍生物，用于半导电材料，作为磷光发射体的主要基质

4. 9,9'- AND 2,2'-SUBSTITUTED 3,3'-BICARBAZOLYL DERIVATIVES FOR USE IN SEMICONDUCTING MATERIALS AS A HOST MATRIX FOR PHOSPHORESCENT EMITTERS [P] . 外国专利： EP1838671B1 . 2008-06-04

机译：9,9'-和2,2'取代的3,3'-双碳杂唑衍生物，用于半导电材料，作为磷光发射体的主要基质

5. 9,9'- AND 2,2'-SUBSTITUTED 3,3'-BICARBAZOLYL DERIVATIVES FOR USE IN SEMICONDUCTING MATERIALS AS A HOST MATRIX FOR PHOSPHORESCENT EMITTERS [P] . 外国专利： KR20070091643A . 2007-09-11

机译：9,9'-和2,2'取代的3,3'-双碳杂唑衍生物，用于半导电材料，作为磷光发射体的主要基质

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An ambipolar 3,3′-dimethyl-9,9′-bianthracene derivative as a blue host material for high-performance OLEDs

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