硼/硫/氮杂多环芳烃为发光单元的窄谱带蓝光高分子荧光材料

常宇飞; 张凯源; 韩博; 邵世洋; 王利祥

doi:10.11777/j.issn1000-3304.2024.24286

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硼/硫/氮杂多环芳烃为发光单元的窄谱带蓝光高分子荧光材料

研究论文 | 更新时间：2025-04-01

- 硼/硫/氮杂多环芳烃为发光单元的窄谱带蓝光高分子荧光材料
- Narrowband Blue Fluorescent Polymers Employing Boron-, Sulfur-, Nitrogen-doped Polycyclic Aromatic Hydrocarbon Emitters
- 高分子学报 2025年56卷第4期页码：564-574
- 作者机构：
  
  1.中国科学院长春应用化学研究所高分子物理与化学国家重点实验室长春 130022
  2.中国科学技术大学应用化学与工程学院合肥 230026
  3.海南大学材料科学与工程学院海口 570228
- 作者简介：
  
  E-mail: ssyang@ciac.ac.cn;
  E-mail: lixiang@ciac.ac.cn
- 基金信息：
  
  国家自然科学基金(基金号 ┣52122309;52073282);52261135541┫;中国科学院战略性先导科技专项(XDB0520102);海南省科技人才创新项目(KJRC2023C09);海南大学科研基金(基金号 KYQD(ZR)22174)资助
- DOI：10.11777/j.issn1000-3304.2024.24286
  中图分类号：
- CSTR：32057.14.GFZXB.2024.7336
- 收稿日期：2024-12-20，
  
  录用日期：2024-11-20，
  
  网络出版日期：2025-02-08，
  
  纸质出版日期：2025-04-20
- 稿件说明：
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常宇飞, 张凯源, 韩博, 邵世洋, 王利祥. 硼/硫/氮杂多环芳烃为发光单元的窄谱带蓝光高分子荧光材料. 高分子学报, 2025, 56(4), 564-574

Chang, Y. F.; Zhang, K. Y.; Han, B.; Shao, S. Y.; Wang, L. X. Narrowband blue fluorescent polymers employing boron-, sulfur-, nitrogen-doped polycyclic aromatic hydrocarbon emitters. Acta Polymerica Sinica, 2025, 56(4), 564-574
常宇飞, 张凯源, 韩博, 邵世洋, 王利祥. 硼/硫/氮杂多环芳烃为发光单元的窄谱带蓝光高分子荧光材料. 高分子学报, 2025, 56(4), 564-574 DOI： 10.11777/j.issn1000-3304.2024.24286. CSTR： 32057.14.GFZXB.2024.7336.

Chang, Y. F.; Zhang, K. Y.; Han, B.; Shao, S. Y.; Wang, L. X. Narrowband blue fluorescent polymers employing boron-, sulfur-, nitrogen-doped polycyclic aromatic hydrocarbon emitters. Acta Polymerica Sinica, 2025, 56(4), 564-574 DOI： 10.11777/j.issn1000-3304.2024.24286. CSTR： 32057.14.GFZXB.2024.7336.

摘要

采用非共轭聚乙烯为高分子骨架，硼/硫/氮杂多环芳烃(5-硫-8

-氮-15

-硼杂苯并[

]

萘并[1

]

亚蒽，Ph-BSTBCz)作为发光单元，具有空穴传输能力的咔唑和

-苯基-3

6-二叔丁基咔唑作为主体功能单元，设计合成了两类具有窄谱带发射特征的蓝光高分子荧光材料P1-01~P1-05和P2-01~P2-05. 硼/硫/氮杂多环芳烃的多重共振效应使得高分子具有窄的蓝光发射(发光波长473~483 nm，半峰宽31~39 nm)，同时其硫原子的重原子效应能够增强旋轨耦合，提高三线态到单线态的反向系间窜越速率. 相比于含有咔唑主体功能单元的高分子P1-01~P1-05，含有

-苯基-3

6-二叔丁基咔唑单元的高分子P2-01~P2-05具有更高的HOMO能级，因而能够降低空穴注入势垒. 采用溶液加工工艺组装的OLED器件评价结果表明，含有

-苯基-3

6-二叔丁基咔唑主体单元、硼/硫/氮杂多环芳烃含量为3 mol%的高分子P2-03表现出最佳的电致发光性能，其发光峰位于481 nm，半峰宽为31 nm，外量子效率为8.0%，功率效率为8.1 lm/W.

Abstract

Two kinds of blue narrowband emissive polymers (P1-01-P1-05 and P2-01-P2-05) are designed and synthesized using non-conjugated polyethylene as backbone

boron

sulfur

nitrogen-doped polycyclic aromatic hydrocarbons (5-sulfur-8

-borobenzo[

]

naphthano[1

]

anthracene

Ph-BSCz) as emitter

and carbazole and

-phenyl-3

6-di-

-butylcarbazole with hole-transporting ability as host units. The multi-resonance effect of boron

sulfur

nitrogen-doped polycyclic aromatic hydrocarbon enables the polymers to exhibit blue narrowband emission (

of 473-483 nm and FWHM of 31-39 nm)

and enhances spin-orbit coupling by heave-atom effect of sulfur to improve reverse intersystem crossing rate from triplet to singlet state. On the other hand

compared to polymers (P1-01~P1-05) bearing carbazole units

polymers (P2-01-P2-05) containing

-phenyl-3

‍6-di-

-butylcarbazole units have higher HOMO energy levels and lower hole injection barriers. Solution-processed OLEDs based on P2-03 bearing

-phenyl-3

‍6-di-

-butylcarbazole units and 3 mol% emitters exhibit the best electroluminescence performance

with emission peak at 481 nm

FWHM of 31 nm

maximum external quantum efficiency of 8.0%

and power efficiency of 8.1 lm/W.

关键词

Keywords

references

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