Synthesis of Metallopolymers and Direct Visualization of the Single Polymer Chain
Abstract
During the past few decades, the study of the single polymer chain has attracted considerable attention with the goal of exploring the structure-property relationship of polymers. It still, however, remains challenging due to the variability and low atomic resolution of the amorphous single polymer chain. In this study, we demonstrated a new strategy to visualize the single metallopolymer chain with a hexameric or trimeric supramolecule as a repeat unit, in which Ru(II) with strong coordination and Fe(II) with weak coordination were combined together in a stepwise manner. With the help of ultrahigh-vacuum, low-temperature scanning tunneling microscopy (UHV-LT-STM) and scanning tunneling spectroscopy (STS), we were able to directly visualize both Ru(II) and Fe(II), which act as staining reagents on the repeat units, thus providing detailed structural information for the single polymer chain. As such, the direct visualization of the single random polymer chain is realized to enhance the characterization of polymers at the single-molecule level.
- Authors:
-
- Soochow Univ., Suzhou (China); Univ. of South Florida, Tampa, FL (United States)
- Univ. of South Florida, Tampa, FL (United States)
- Soochow Univ., Suzhou (China)
- Argonne National Lab. (ANL), Argonne, IL (United States); Old Dominion Univ., Norfolk, VA (United States)
- Univ. of South Florida, Tampa, FL (United States); Zhengzhou Univ. (China)
- Zhengzhou Univ. (China)
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Publication Date:
- Research Org.:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); National Institutes of Health (NIH); National Science Foundation of China
- OSTI Identifier:
- 1664386
- Grant/Contract Number:
- AC02-06CH11357; R01GM128037; 21774090
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of the American Chemical Society
- Additional Journal Information:
- Journal Volume: 142; Journal Issue: 13; Journal ID: ISSN 0002-7863
- Publisher:
- American Chemical Society (ACS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; STM, Supramolecule
Citation Formats
Li, Zhikai, Li, Yiming, Zhao, Yiming, Wang, Heng, Zhang, Yuan, Song, Bo, Li, Xiaohong, Lu, Shuai, Hao, Xin-Qi, Hla, Saw-Wai, Tu, Yingfeng, and Li, Xiaopeng. Synthesis of Metallopolymers and Direct Visualization of the Single Polymer Chain. United States: N. p., 2020.
Web. doi:10.1021/jacs.0c00110.
Li, Zhikai, Li, Yiming, Zhao, Yiming, Wang, Heng, Zhang, Yuan, Song, Bo, Li, Xiaohong, Lu, Shuai, Hao, Xin-Qi, Hla, Saw-Wai, Tu, Yingfeng, & Li, Xiaopeng. Synthesis of Metallopolymers and Direct Visualization of the Single Polymer Chain. United States. https://doi.org/10.1021/jacs.0c00110
Li, Zhikai, Li, Yiming, Zhao, Yiming, Wang, Heng, Zhang, Yuan, Song, Bo, Li, Xiaohong, Lu, Shuai, Hao, Xin-Qi, Hla, Saw-Wai, Tu, Yingfeng, and Li, Xiaopeng. Mon .
"Synthesis of Metallopolymers and Direct Visualization of the Single Polymer Chain". United States. https://doi.org/10.1021/jacs.0c00110. https://www.osti.gov/servlets/purl/1664386.
@article{osti_1664386,
title = {Synthesis of Metallopolymers and Direct Visualization of the Single Polymer Chain},
author = {Li, Zhikai and Li, Yiming and Zhao, Yiming and Wang, Heng and Zhang, Yuan and Song, Bo and Li, Xiaohong and Lu, Shuai and Hao, Xin-Qi and Hla, Saw-Wai and Tu, Yingfeng and Li, Xiaopeng},
abstractNote = {During the past few decades, the study of the single polymer chain has attracted considerable attention with the goal of exploring the structure-property relationship of polymers. It still, however, remains challenging due to the variability and low atomic resolution of the amorphous single polymer chain. In this study, we demonstrated a new strategy to visualize the single metallopolymer chain with a hexameric or trimeric supramolecule as a repeat unit, in which Ru(II) with strong coordination and Fe(II) with weak coordination were combined together in a stepwise manner. With the help of ultrahigh-vacuum, low-temperature scanning tunneling microscopy (UHV-LT-STM) and scanning tunneling spectroscopy (STS), we were able to directly visualize both Ru(II) and Fe(II), which act as staining reagents on the repeat units, thus providing detailed structural information for the single polymer chain. As such, the direct visualization of the single random polymer chain is realized to enhance the characterization of polymers at the single-molecule level.},
doi = {10.1021/jacs.0c00110},
journal = {Journal of the American Chemical Society},
number = 13,
volume = 142,
place = {United States},
year = {Mon Mar 09 00:00:00 EDT 2020},
month = {Mon Mar 09 00:00:00 EDT 2020}
}
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