Visualization of Two-dimensional Single Chains of Hybrid Polyelectrolytes on Solid Surface

Lan-Lan Zhang; Wen-Ke Miao; Li-Jun Ren; Yu-Kun Yan; Wei Wang

doi:10.1007/s10118-021-2520-4

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Visualization of Two-dimensional Single Chains of Hybrid Polyelectrolytes on Solid Surface

ARTICLE | Updated：2020-11-16

- Visualization of Two-dimensional Single Chains of Hybrid Polyelectrolytes on Solid Surface
- Chinese Journal of Polymer Science Vol. 39, Issue 6, Pages: 716-724(2021)
- Affiliations：
  
  a.Center for Synthetic Soft Materials, Key Laboratory of Functional Polymer Materials of the Ministry of Education and Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
  b.Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 300071, China
- Author bio：
  
  weiwang@nankai.edu.cn
- Funds：
- DOI：10.1007/s10118-021-2520-4
  CLC：
- Received：20 September 2020，
  
  Revised：2020-10-11，
  
  Accepted：13 October 2020，
  
  Online First：16 November 2020，
  
  Published：15 April 2021
- Accepted：
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Zhang, L. L.; Miao, W. K.; Ren, L. J.; Yan, Y. K.; Wang, W. Visualization of two-dimensional single chains of hybrid polyelectrolytes on solid surface. Chinese J. Polym. Sci. 2021, 39, 716–724

Lan-Lan Zhang, Wen-Ke Miao, Li-Jun Ren, et al. Visualization of Two-dimensional Single Chains of Hybrid Polyelectrolytes on Solid Surface[J]. Chinese Journal of Polymer Science, 2021, 39(6): 716-724.
Zhang, L. L.; Miao, W. K.; Ren, L. J.; Yan, Y. K.; Wang, W. Visualization of two-dimensional single chains of hybrid polyelectrolytes on solid surface. Chinese J. Polym. Sci. 2021, 39, 716–724 DOI： 10.1007/s10118-021-2520-4.

Lan-Lan Zhang, Wen-Ke Miao, Li-Jun Ren, et al. Visualization of Two-dimensional Single Chains of Hybrid Polyelectrolytes on Solid Surface[J]. Chinese Journal of Polymer Science, 2021, 39(6): 716-724. DOI： 10.1007/s10118-021-2520-4.

摘要

Abstract

The polyacidic character of polyoxometalate (POM) clusters endows high ionic conductivity

making these clusters good candidates for solar and fuel cells. Covalent bonding of clusters to polymer chains creates poly(POM)s that are polyelectrolytes with both cluster functions and polymer performance. Thus

solution-processable poly(POM)s are expected to be used as key materials in advanced devices. Further understanding of poly(POM)s will optimize the preparation process and improve device performance. Herein

we report a study of the first linear poly(POM)s by directly visualizing the chains using scanning transmission electron microscopy. Compared with traditional polymers

individual clusters of poly(POM)s can be directly visualized because of the resistance to electron-beam damage and the high contrast of the tungsten POM pendants. Thus

cluster aggregates with diverse shapes were observed. Counting the number of clusters in the aggregates allowed the degree of polymerization and molecular weight distribution to be determined

and studying the aggregate shapes revealed the presence of a curved semi-rigid chain in solution. Further study of shape diversity revealed that strong interactions between clusters determine the diverse chain shapes formed during solution processing. Fundamental insight is critical to understanding the formation of poly(POM) films from solutions as key functional materials

especially for fuel and solar cells.

关键词

Keywords

references

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