Dynamic Crosslinked Phosphorescent Poly(vinyl alcohol)-Terpyridine Films with Enhanced Mechanical Properties and Tunable Shape Memory

Meng Wei; Wei-Hao Feng; Chen Yu; Zhen-Yi Jiang; Guang-Qiang Yin; Wei Lu; Tao Chen

doi:10.1007/s10118-024-3189-2

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Dynamic Crosslinked Phosphorescent Poly(vinyl alcohol)-Terpyridine Films with Enhanced Mechanical Properties and Tunable Shape Memory

RESEARCH ARTICLE | Updated：2024-09-23

- Dynamic Crosslinked Phosphorescent Poly(vinyl alcohol)-Terpyridine Films with Enhanced Mechanical Properties and Tunable Shape Memory
- Dynamic Crosslinked Phosphorescent Poly(vinyl alcohol)-Terpyridine Films with Enhanced Mechanical Properties and Tunable Shape Memory
- 高分子科学（英文版） 2024年42卷第10期页码：1595-1601
- Affiliations：
  
  a.Key Laboratory of Advanced Marine Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
  b.School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
  c.School of Materials Science and Chemical Engineering. Ningbo University, Ningbo 315211, China
- Author bio：
  
  yinguangqiang@nimte.ac.cn (G.Q.Y.)
  luwei@nimte.ac.cn (W.L.)
  tao.chen@nimte.ac.cn (T.C.)
- Funds：
  
  This work was financially supported by the National Natural Science Foundation of China (No. 22205249), the Sino-German Mobility Program (No. M-0424) and Ningbo International Cooperation Project (No. 2023H019). The authors also thanked Prof. Patrick Théato from the Karlsruhe Institute of Technology for his thoughtful suggestions.;Electronic supplementary information (ESI) is available free of charge in the online version of this article at http://doi.org/10.1007/s10118-024-3189-2.
- DOI：10.1007/s10118-024-3189-2
  中图分类号：
- 纸质出版日期：2024-10-01，
  
  网络出版日期：2024-08-27，
  
  收稿日期：2024-05-22，
  
  修回日期：2024-06-06，
  
  录用日期：2024-06-10
- Accepted：
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Wei, M.; Feng, W. H.; Yu, C.; Jiang, Z. Y.; Yin, G. Q.; Lu, W.; Chen, T. Dynamic crosslinked phosphorescent poly(vinyl alcohol)-terpyridine films with enhanced mechanical properties and tunable shape memory. Chinese J. Polym. Sci. 2024, 42, 1595–1601

Meng Wei, Wei-Hao Feng, Chen Yu, et al. Dynamic Crosslinked Phosphorescent Poly(vinyl alcohol)-Terpyridine Films with Enhanced Mechanical Properties and Tunable Shape Memory[J]. Chinese Journal of Polymer Science, 2024,42(10):1595-1601.
Wei, M.; Feng, W. H.; Yu, C.; Jiang, Z. Y.; Yin, G. Q.; Lu, W.; Chen, T. Dynamic crosslinked phosphorescent poly(vinyl alcohol)-terpyridine films with enhanced mechanical properties and tunable shape memory. Chinese J. Polym. Sci. 2024, 42, 1595–1601 DOI： 10.1007/s10118-024-3189-2.

Meng Wei, Wei-Hao Feng, Chen Yu, et al. Dynamic Crosslinked Phosphorescent Poly(vinyl alcohol)-Terpyridine Films with Enhanced Mechanical Properties and Tunable Shape Memory[J]. Chinese Journal of Polymer Science, 2024,42(10):1595-1601. DOI： 10.1007/s10118-024-3189-2.

摘要

By integrating dynamic lanthanide-Terpyridine coordination

borate ester bonds and hydrogen bondings in poly(vinyl alcohol) matrix

room temperature phosphorescence (RTP) films with multicolor fluorescence

afterglow

enhanced mechanical strength and programmable shape memory were constructed successfully.

Abstract

Achieving versatile room temperature phosphorescence (RTP) materials

especially with tunable mechanical properties and shape memory is attractive and essential but rarely reported. Here

a strategy was reported to realize multi-functional RTP films with multicolor fluorescence

ultralong afterglow

adjustable mechanical properties

and shape memory through the synergistic dynamic interaction of lanthanide (Ln

III

)-terpyridine coordination

borate ester bonds

and hydrogen bondings in a poly(vinyl alcohol) (PVA) matrix. By varying the amount of borax

the mechanical properties of the films could be finely controlled due to the change of crosslinking degree of dynamic borate ester bonds in PVA. The a

ssembly and disassembly of borate ester bonds upon the trigger of borax and acid were applied as reversible linkage to achieve programmable shape memory behavior. In addition

the films displayed both fascinating multicolor fluorescence and ultralong afterglow characteristics due to the presence of Ln

III

doping and confinement of terpyridine in PVA. This study provides a new avenue to impart modulable mechanical strength and shape memory to RTP materials.

关键词

Keywords

Room temperature phosphorescence materialsDynamic bondsMulticolor fluorescentTunable mechanical propertiesShape memory

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