Nanoporous frameworks exhibiting multiple stimuli responsiveness

Pintu K. Kundu, Gregory L. Olsen, Vladimir Kiss, Rafal Klajn

Research output: Contribution to journalArticle

65 Citations (Scopus)

Abstract

Nanoporous frameworks are polymeric materials built from rigid molecules, which give rise to their nanoporous structures with applications in gas sorption and storage, catalysis and others. Conceptually new applications could emerge, should these beneficial properties be manipulated by external stimuli in a reversible manner. One approach to render nanoporous frameworks responsive to external signals would be to immobilize molecular switches within their nanopores. Although the majority of molecular switches require conformational freedom to isomerize, and switching in the solid state is prohibited, the nanopores may provide enough room for the switches to efficiently isomerize. Here we describe two families of nanoporous materials incorporating the spiropyran molecular switch. These materials exhibit a variety of interesting properties, including reversible photochromism and acidochromism under solvent-free conditions, light-controlled capture and release of metal ions, as well reversible chromism induced by solvation/desolvation.

Original languageEnglish
Article number3588
JournalNature Communications
Volume5
DOIs
Publication statusPublished - Apr 7 2014

Fingerprint

Nanopores
stimuli
switches
Switches
Catalysis
Gases
Metals
Ions
Photochromism
Light
photochromism
Solvation
sorption
catalysis
rooms
Metal ions
solvation
Sorption
metal ions
solid state

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Chemistry(all)
  • Physics and Astronomy(all)

Cite this

Nanoporous frameworks exhibiting multiple stimuli responsiveness. / Kundu, Pintu K.; Olsen, Gregory L.; Kiss, Vladimir; Klajn, Rafal.

In: Nature Communications, Vol. 5, 3588, 07.04.2014.

Research output: Contribution to journalArticle

Kundu, Pintu K. ; Olsen, Gregory L. ; Kiss, Vladimir ; Klajn, Rafal. / Nanoporous frameworks exhibiting multiple stimuli responsiveness. In: Nature Communications. 2014 ; Vol. 5.
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