A simple molecular machine operated by photoinduced proton transfer

Serena Silvi, Arturo Arduini, Andrea Pochini, Andrea Secchi, Massimiliano Tomasulo, Françisco M. Raymo, Massimo Baroncini, Alberto Credi

Research output: Contribution to journalArticlepeer-review

175 Scopus citations


The threading-dethreading of a photoinactive pH-switchable calix[6]arene bipyridinium pseudorotaxane in solution has been controlled by visible light irradiation using a merocyanine compound as a photoacid. The coupling between the two molecular switches that communicate with one another by intermolecular proton transfer provides a general principle for the operation of acid-base controllable molecular machines with light.

Original languageEnglish (US)
Pages (from-to)13378-13379
Number of pages2
JournalJournal of the American Chemical Society
Issue number44
StatePublished - Nov 7 2007

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry


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