Supramolecular radical polymers self-assembled from the stacking of radical cations of rod-like viologen di- and trimers

Tian Guang Zhan; Tian You Zhou; Feng Lin; Liang Zhang; Cen Zhou; Qiao Yan Qi; Zhan Ting Li; Xin Zhao

doi:10.1039/c6qo00298f

Supramolecular radical polymers self-assembled from the stacking of radical cations of rod-like viologen di- and trimers

Tian Guang Zhan, Tian You Zhou, Feng Lin, Liang Zhang, Cen Zhou, Qiao Yan Qi, Zhan Ting Li, Xin Zhao

Research output: Contribution to journal › Article › peer-review

37 Scopus citations

Abstract

A series of π-conjugated oligomeric viologens (COVs) whose viologen segments are connected by phenyl or biphenyl units have been designed and synthesized. They exhibited interesting electrochemical and optical properties which are different from isolated viologen, as revealed by cyclic voltammetric and spectroscopic studies. The self-assembly behavior of the COV radical cations generated by treating COVs with sodium dithionite in aqueous media was studied systematically with UV-vis-NIR, electron paramagnetic resonance (EPR), dynamic light scattering (DLS), and cryo-transmission electron microscopy (cryo-TEM), which revealed that they self-assembled into linear supramolecular radical polymers driven by the dimerization of radical cations. Comprehensive DFT calculations for the COVs and their radical cations were also performed and their structure-property relationships were revealed.

Original language	English
Pages (from-to)	1635-1645
Number of pages	11
Journal	Organic Chemistry Frontiers
Volume	3
Issue number	12
DOIs	https://doi.org/10.1039/c6qo00298f
State	Published - Dec 2016
Externally published	Yes

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title = "Supramolecular radical polymers self-assembled from the stacking of radical cations of rod-like viologen di- and trimers",

abstract = "A series of π-conjugated oligomeric viologens (COVs) whose viologen segments are connected by phenyl or biphenyl units have been designed and synthesized. They exhibited interesting electrochemical and optical properties which are different from isolated viologen, as revealed by cyclic voltammetric and spectroscopic studies. The self-assembly behavior of the COV radical cations generated by treating COVs with sodium dithionite in aqueous media was studied systematically with UV-vis-NIR, electron paramagnetic resonance (EPR), dynamic light scattering (DLS), and cryo-transmission electron microscopy (cryo-TEM), which revealed that they self-assembled into linear supramolecular radical polymers driven by the dimerization of radical cations. Comprehensive DFT calculations for the COVs and their radical cations were also performed and their structure-property relationships were revealed.",

author = "Zhan, \{Tian Guang\} and Zhou, \{Tian You\} and Feng Lin and Liang Zhang and Cen Zhou and Qi, \{Qiao Yan\} and Li, \{Zhan Ting\} and Xin Zhao",

note = "Publisher Copyright: {\textcopyright} 2016 the Partner Organisations.",

year = "2016",

month = dec,

doi = "10.1039/c6qo00298f",

language = "英语",

volume = "3",

pages = "1635--1645",

journal = "Organic Chemistry Frontiers",

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TY - JOUR

T1 - Supramolecular radical polymers self-assembled from the stacking of radical cations of rod-like viologen di- and trimers

AU - Zhan, Tian Guang

AU - Zhou, Tian You

AU - Lin, Feng

AU - Zhang, Liang

AU - Zhou, Cen

AU - Qi, Qiao Yan

AU - Li, Zhan Ting

AU - Zhao, Xin

PY - 2016/12

Y1 - 2016/12

N2 - A series of π-conjugated oligomeric viologens (COVs) whose viologen segments are connected by phenyl or biphenyl units have been designed and synthesized. They exhibited interesting electrochemical and optical properties which are different from isolated viologen, as revealed by cyclic voltammetric and spectroscopic studies. The self-assembly behavior of the COV radical cations generated by treating COVs with sodium dithionite in aqueous media was studied systematically with UV-vis-NIR, electron paramagnetic resonance (EPR), dynamic light scattering (DLS), and cryo-transmission electron microscopy (cryo-TEM), which revealed that they self-assembled into linear supramolecular radical polymers driven by the dimerization of radical cations. Comprehensive DFT calculations for the COVs and their radical cations were also performed and their structure-property relationships were revealed.

AB - A series of π-conjugated oligomeric viologens (COVs) whose viologen segments are connected by phenyl or biphenyl units have been designed and synthesized. They exhibited interesting electrochemical and optical properties which are different from isolated viologen, as revealed by cyclic voltammetric and spectroscopic studies. The self-assembly behavior of the COV radical cations generated by treating COVs with sodium dithionite in aqueous media was studied systematically with UV-vis-NIR, electron paramagnetic resonance (EPR), dynamic light scattering (DLS), and cryo-transmission electron microscopy (cryo-TEM), which revealed that they self-assembled into linear supramolecular radical polymers driven by the dimerization of radical cations. Comprehensive DFT calculations for the COVs and their radical cations were also performed and their structure-property relationships were revealed.

UR - https://www.scopus.com/pages/publications/84996599680

U2 - 10.1039/c6qo00298f

DO - 10.1039/c6qo00298f

M3 - 文章

AN - SCOPUS:84996599680

SN - 2052-4110

VL - 3

SP - 1635

EP - 1645

JO - Organic Chemistry Frontiers

JF - Organic Chemistry Frontiers

IS - 12

ER -

Supramolecular radical polymers self-assembled from the stacking of radical cations of rod-like viologen di- and trimers

Abstract

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