Photoinduced memory effect in a redox controllable bistable mechanical molecular switch

Tommaso Avellini, Hao Li, Ali Coskun, Gokhan Barin, Ali Trabolsi, Ashish N. Basuray, Sanjeev K. Dey, Alberto Credi, Serena Silvi, J. Fraser Stoddart, Margherita Venturi

Research output: Contribution to journalArticle

Abstract

Something to remember: A rotaxane could be operated as a bistable memory element under kinetic control (see picture). Data was written on the molecule by an oxidation stimulus and locked by UV light irradiation. After the writing session, the oxidized species was reduced back to the original form without losing the written data for a few hours. Light irradiation also protects nonoxidized rotaxanes from accidental writing.

Original languageEnglish (US)
Pages (from-to)1611-1615
Number of pages5
JournalAngewandte Chemie - International Edition
Volume51
Issue number7
DOIs
StatePublished - Feb 13 2012

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Rotaxanes
Switches
Irradiation
Data storage equipment
Ultraviolet radiation
Oxidation
Molecules
Kinetics
Oxidation-Reduction

Keywords

  • azo compounds
  • molecular devices
  • nanotechnology
  • rotaxanes
  • supramolecular chemistry

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

Cite this

Photoinduced memory effect in a redox controllable bistable mechanical molecular switch. / Avellini, Tommaso; Li, Hao; Coskun, Ali; Barin, Gokhan; Trabolsi, Ali; Basuray, Ashish N.; Dey, Sanjeev K.; Credi, Alberto; Silvi, Serena; Stoddart, J. Fraser; Venturi, Margherita.

In: Angewandte Chemie - International Edition, Vol. 51, No. 7, 13.02.2012, p. 1611-1615.

Research output: Contribution to journalArticle

Avellini, T, Li, H, Coskun, A, Barin, G, Trabolsi, A, Basuray, AN, Dey, SK, Credi, A, Silvi, S, Stoddart, JF & Venturi, M 2012, 'Photoinduced memory effect in a redox controllable bistable mechanical molecular switch', Angewandte Chemie - International Edition, vol. 51, no. 7, pp. 1611-1615. https://doi.org/10.1002/anie.201107618
Avellini, Tommaso ; Li, Hao ; Coskun, Ali ; Barin, Gokhan ; Trabolsi, Ali ; Basuray, Ashish N. ; Dey, Sanjeev K. ; Credi, Alberto ; Silvi, Serena ; Stoddart, J. Fraser ; Venturi, Margherita. / Photoinduced memory effect in a redox controllable bistable mechanical molecular switch. In: Angewandte Chemie - International Edition. 2012 ; Vol. 51, No. 7. pp. 1611-1615.
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