Synthesis and Properties of Novel Polymers Based on PD Electron-withdrawing Unit

Qing Zhao; Jing-yu Qian; Ying Liang; Zhi-cheng Zhong; Song Wang; Ke Liu; Wen-jing Tian; Zai-fang Li

doi:10.1007/s10118-016-1738-z

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Synthesis and Properties of Novel Polymers Based on PD Electron-withdrawing Unit

Updated：2021-06-21

- Synthesis and Properties of Novel Polymers Based on PD Electron-withdrawing Unit
- Chinese Journal of Polymer Science Vol. 34, Issue 1, Pages: 34-43(2016)
- Affiliations：
  
  a.College of Chemical Engineering and Food Science, Hubei Key Laboratory of Low Dimensional Optoelectronic Materials and Devices, Hubei University of Arts and Science, Xiangyang 441053, China
  b.State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun 130012, China
- Author bio：
  
  Wen-jing Tian (田文晶), E-mail: wjtian@jlu.edu.cn
  **Zai-fang Li (李在房), E-mail: lizaifang@hust.edu.cn
- Funds：
- DOI：10.1007/s10118-016-1738-z
  CLC：
- Received：18 June 2015，
  
  Revised：2015-09-17，
  
  Accepted：21 September 2015，
  
  Published：2016-01
- Accepted：
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Qing Zhao, Jing-yu Qian, Ying Liang, et al. Synthesis and Properties of Novel Polymers Based on PD Electron-withdrawing Unit[J]. Chinese Journal of Polymer Science, 2016, 34(1): 34-43.
DOI：

Qing Zhao, Jing-yu Qian, Ying Liang, et al. Synthesis and Properties of Novel Polymers Based on PD Electron-withdrawing Unit[J]. Chinese Journal of Polymer Science, 2016, 34(1): 34-43. DOI： 10.1007/s10118-016-1738-z.

摘要

Abstract

In this article

we designed and synthesized a series of 5-(2

6-dimethyl-4H-pyran-4-ylidene)-1

3-diethyl-2-thioxodihydropyrimidine- 4

6(1H

5H)-dione (PD) unit based polymers (PFTDT

CZTDT

PHTDT and THTDT) for the first time. In these polymers

fluorene

7-carbazole

phenothiazine and thiophene are employed as electron-donating groups and PD as electron-withdrawing group. TGA measurements demonstrated that these polymers possess good thermal stability (all above 377 °C). Very broad absorption spectrum was also obtained from the polymer THTDT (300-850 nm). CV characterization found that these polymers owned low highest occupied molecular orbital (HOMO) energy levels (-5.39 eV for THTDT

-5.49 eV for CZTDT and -5.78 eV for PFTDT) except for PHTDT (-5.17 eV). The geometry and electronic properties of PFTDT

CZTDT

PHTDT and THTDT were investigated by means of theoretical calculation. All the above advantages demonstrate that PD based polymers could be candidates for electronic devices.

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