Multifunctional redox-tuned viologen-based covalent organic polymers

Gobinda Das, Thirumurugan Prakasam, Selbi Nuryyeva, Dong Suk Han, Ahmed Abdel-Wahab, John Carl Olsen, Kyriaki Polychronopoulou, Carlos Platas-Iglesias, Florent Ravaux, Mustapha Jouiad, Ali Trabolsi

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

The immobilization of molecular switches within materials can give rise to new bulk properties that are useful for a variety of applications. Here, we report the synthesis and characterization of covalent organic polymers composed of cyclotriphosphazene core moieties linked together by redox-switchable viologen units. The polymers are isolated as non-porous, micro- and nano-sized spherical particles whose constituent viologens allow access to three distinct redox states: dicationic, radical-cationic and neutral. With viologens in their dicationic state, the particles were used for magic printing, gaseous ammonia sensing, and efficient oxoanion capture. With viologens in any oxidation state, the polymers were capable of capturing 200 to 380% of their weight of iodine vapor. Iodine capture within all of the viologen-based polymers was fast, requiring minutes, as compared to capture by previously reported polymers, which requires hours. With viologens in their neutral state, the polymers exhibited the highest iodine loadings reported to date. Upon one and two-electron reduction, the polymers partially or completely lost their cationic character and, concomitantly, their anion removal capability.

Original languageEnglish
Pages (from-to)15361-15369
Number of pages9
JournalJournal of Materials Chemistry A
Volume4
Issue number40
DOIs
Publication statusPublished - 2016

Fingerprint

Viologens
Organic polymers
Polymers
Iodine
Ammonia
Anions
Oxidation-Reduction
Printing
Negative ions
Vapors
Switches
Oxidation
Electrons

ASJC Scopus subject areas

  • Chemistry(all)
  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)

Cite this

Multifunctional redox-tuned viologen-based covalent organic polymers. / Das, Gobinda; Prakasam, Thirumurugan; Nuryyeva, Selbi; Han, Dong Suk; Abdel-Wahab, Ahmed; Olsen, John Carl; Polychronopoulou, Kyriaki; Platas-Iglesias, Carlos; Ravaux, Florent; Jouiad, Mustapha; Trabolsi, Ali.

In: Journal of Materials Chemistry A, Vol. 4, No. 40, 2016, p. 15361-15369.

Research output: Contribution to journalArticle

Das, G, Prakasam, T, Nuryyeva, S, Han, DS, Abdel-Wahab, A, Olsen, JC, Polychronopoulou, K, Platas-Iglesias, C, Ravaux, F, Jouiad, M & Trabolsi, A 2016, 'Multifunctional redox-tuned viologen-based covalent organic polymers', Journal of Materials Chemistry A, vol. 4, no. 40, pp. 15361-15369. https://doi.org/10.1039/c6ta06439f
Das, Gobinda ; Prakasam, Thirumurugan ; Nuryyeva, Selbi ; Han, Dong Suk ; Abdel-Wahab, Ahmed ; Olsen, John Carl ; Polychronopoulou, Kyriaki ; Platas-Iglesias, Carlos ; Ravaux, Florent ; Jouiad, Mustapha ; Trabolsi, Ali. / Multifunctional redox-tuned viologen-based covalent organic polymers. In: Journal of Materials Chemistry A. 2016 ; Vol. 4, No. 40. pp. 15361-15369.
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