Synthesis and Luminescence Characteristics of Near-white Light-emitting Copolymer

XU Yang; WANG Hua; SONG Chun-li; ZHOU He-feng; XU Bing-she

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Synthesis and Luminescence Characteristics of Near-white Light-emitting Copolymer

paper | 更新时间：2020-08-12

- Synthesis and Luminescence Characteristics of Near-white Light-emitting Copolymer
- Chinese Journal of Luminescence Vol. 31, Issue 2, Pages: 274-278(2010)
- 作者机构：
  
  太原理工大学新材料界面科学与工程教育部重点实验室材料科学与工程学院,山西太原,030024
- 作者简介：
- 基金信息：
- DOI：
  CLC： O482.31;O631.2+4
- Received：25 November 2009，
  
  Revised：02 January 1900，
  
  Published Online：30 April 2010，
  
  Published：30 April 2010
- 稿件说明：
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XU Yang, WANG Hua, SONG Chun-li, et al. Synthesis and Luminescence Characteristics of Near-white Light-emitting Copolymer[J]. Chinese journal of luminescence, 2010, 31(2): 274-278.
DOI：

XU Yang, WANG Hua, SONG Chun-li, et al. Synthesis and Luminescence Characteristics of Near-white Light-emitting Copolymer[J]. Chinese journal of luminescence, 2010, 31(2): 274-278. DOI：

摘要

采用Suzuki偶联反应

将9

9-二辛基芴(DOF)和4

7-二噻吩-2

3-苯并噻二唑(DBT)共聚

通过调节聚合物中DBT基团的含量来改变其发光颜色

合成了近白光发射的聚合物PDOF-DBT

。通过测试聚合物的光致发光光谱发现:不同配比下的聚合物的红光和蓝光发射峰的位置都没有变化

只是两个发射峰的相对强度发生了变化

随着DBT含量的增加

聚合物的红光峰强度增强;当PDOF-DBT

中

的值为0.05%时

聚合物的发射最接近白光

其发光的色坐标值为(

=0.40

=0.32);通过热分析和原子力显微镜观察得出

PDOF-DBT

这类聚合物都具有良好的热稳定性和成膜性。

Abstract

Copolymers of 9

9-dioctylfluorene and 2-thienyl-benzothiadiazole were synthesized by Suzuki reaction. The ratio of two monomers was controlled to achieve near white light-emitting with a single polymer. The optimized color coordinates of the copolymers emission (

=0.40

=0.32). And the copolymers have good thermal stability with thermal decomposition temperature at about 400 ℃; the film prepared through spin-coa-ting shows good morphology.

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references

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