Synthesis and Photoelectric Properties of New Pr-bonded Polymers by Coordination of Isopropyloxide and Bipyridine Unit

Lv Wei; Wang Wen; Zhang Chun-lei; Zhao Yan; Zhen Hong-yu; Ling Qi-dan

doi:10.1007/s10118-017-1909-6

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Synthesis and Photoelectric Properties of New Pr-bonded Polymers by Coordination of Isopropyloxide and Bipyridine Unit

Papers | Updated：2024-11-27

- Synthesis and Photoelectric Properties of New Pr-bonded Polymers by Coordination of Isopropyloxide and Bipyridine Unit
- Chinese Journal of Polymer Science Vol. 35, Issue 3, Pages: 342-353(2017)
- Affiliations：
  
  College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Fujian Normal University, Fujian Key Laboratory of Polymer Materials, Fuzhou 350007, China
- Author bio：
  
  Wen Wang, E-mail:wangwen@fjnu.edu.cn
  Qi-dan Ling, E-mail:qdling@fjnu.edu.cn
- Funds：
- DOI：10.1007/s10118-017-1909-6
  CLC：
- Received：29 July 2016，
  
  Revised：2016-9-28，
  
  Accepted：28 September 2016，
  
  Published：25 March 2017
- Accepted：
Scan QR Code
Lv Wei, Wang Wen, Zhang Chun-lei, et al. Synthesis and Photoelectric Properties of New Pr-bonded Polymers by Coordination of Isopropyloxide and Bipyridine Unit[J]. Chinese Journal of Polymer Science, 2017, 35(3): 342-353.
DOI：

Lv Wei, Wang Wen, Zhang Chun-lei, et al. Synthesis and Photoelectric Properties of New Pr-bonded Polymers by Coordination of Isopropyloxide and Bipyridine Unit[J]. Chinese Journal of Polymer Science, 2017, 35(3): 342-353. DOI： 10.1007/s10118-017-1909-6.

摘要

Abstract

A series of novel praseodymium (Pr)-bonded polymers were successfully synthesized

via

the coordination reaction and palladium-catalyzed Suzuki coupling reaction of 2

7-dibromo-9

9'-dioctylfluorene and different amounts of 5

5'-dibromo-2

2'-bipyridine. The resulting polymers were characterized by

H-NMR and GPC. The photoluminescence (PL) and electroluminescence (EL) properties of the resulting polymers were studied to explore the effects of the Pr triisopropyloxide. The results showed that the incorporation of Pr into the polymers caused better coplanarity and effective intermolecular or intramolecular interaction

leading to the higher emission intensity at long-wavelength. Further

it was also found that the emission light color could be tuned from blue to green by introduction of a small amount of Pr into the polymer main chain. A single-layer green emitting EL device based on PF(BipyPr)

with 6 mol% Pr content was fabricated. The device had a low turn-on voltage of 6 V

a brightness of 705.3 cd·m

-2

the maximum luminous efficiency of 1.53 cd·A

-1

and the maximum power efficiency of 0.69 lm·W

-1

关键词

Keywords

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