Synthesis and Properties of New Organic Electroluminescent Materials of the Distyrylarylene Derivatives Containing N-hexyl Carbazole and Phenothiazine Structures

ZHANG Xiqi; YANG Zhiyong; CHEN Meina; XU Bingjia; ZHANG Yi; CHI Zhenguo; XU Jiarui

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Synthesis and Properties of New Organic Electroluminescent Materials of the Distyrylarylene Derivatives Containing N-hexyl Carbazole and Phenothiazine Structures

更新时间：2023-12-11

- Synthesis and Properties of New Organic Electroluminescent Materials of the Distyrylarylene Derivatives Containing N-hexyl Carbazole and Phenothiazine Structures
- Acta Scientiarum Naturalium Universitatis SunYatseni Vol. 48, Issue 6, Pages: 58-62(2009)
- 作者机构：
  
  中山大学化学与化学工程学院//聚合物复合材料及功能材料教育部重点实验室//广东省教育厅高分子化学与物理重点实验室,广东,广州,510275
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2009，
  
  Published Online：25 November 2009，
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ZHANG Xiqi, YANG Zhiyong, CHEN Meina, et al. Synthesis and Properties of New Organic Electroluminescent Materials of the Distyrylarylene Derivatives Containing N-hexyl Carbazole and Phenothiazine Structures. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 48(6):58-62(2009)
DOI：

ZHANG Xiqi, YANG Zhiyong, CHEN Meina, et al. Synthesis and Properties of New Organic Electroluminescent Materials of the Distyrylarylene Derivatives Containing N-hexyl Carbazole and Phenothiazine Structures. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 48(6):58-62(2009) DOI：

摘要

联苯乙烯类衍生物被认为是一类具有实用价值的蓝光电致发光材料，它具有较优异的综合性能。以联苯乙烯为基础，利用Wittig-Horner反应分别引入N-己基吩噻嗪和N-己基咔唑基团，合成了两种联苯乙烯衍生物。利用核磁共振氢谱（ 1H NMR）、傅立叶红外光谱（FT-IR）、质谱（MS）和元素分析（EA）对所合成产物进行了化学结构的表征；利用紫外吸光光度法（UV）、荧光分光光度法（PL）、热重分析（TGA）、示差扫描量热法（DSC）、热台偏光显微镜（PLM）和X-射线衍射（XRD）对产物的性能进行了初步的表征。结果表明：所合成的两个化合物在紫外光激发下均能发射高亮度荧光；具有较高的热稳定性；两个化合物均不能结晶，易溶于二氯甲烷等有机溶剂，并且容易成膜，非常适合于旋涂法制备OLED器件；其中含吩噻嗪基的化合物在熔融或冷却过程中均能观察到近晶A型液晶织构。

Abstract

Distyrylarylene derivative is one of the most promising blue OLED materials with good film forming ability and high thermal stability. Two compounds were synthesized by introducing the conjugated groups to the distyrylarylene backbone by using WittigHorner reactions. Their chemical structures were characterized by 

H NMR

MS and EA analyses

and the properties were investigated by UV

TGA

DSC

PLM and XRD analyses. The results showed that (1) two compounds emitted strong fluorescence

and the emitting strength of the compound with phenothiazine structure was stronger than that with carbazole structure; (2) the compounds possessed high thermal stability; (3) the compounds had good solubility in organic solvents and film forming ability

which was advantaged for OLED device fabrication using spincoating method; (4) the compound containing phenothiazine groups exhibited a Smectic A liquid crystalline phase under hot-stage PLM.

关键词

有机电致发光材料联苯乙烯衍生物合成表征液晶性

Keywords

organic electroluminescent materialsdistyrylarylenesynthesischaracterizationliquid crystalline property

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