Thermal and photochemical properties of 4′,7-dihydroxyflavylium in water-ionic liquid biphasic systems: a write-read-erase molecular switch

Research output: Contribution to journalArticle

61 Citations (Scopus)

Abstract

Switching colors: 4′,7-Dihydroxyflavylium (AH+) in water-ionic liquid biphasic systems can be used as a write-read-erase system. In acid media, the chalcone (Ct) form is soluble in ionic liquids and is thermally metastable, but reacts photochemically (write) to give the yellow flavylium salt, which can be optically read without being erased. The system is prepared for a new cycle by two consecutive pH "jumps".

Original languageEnglish
Pages (from-to)1525-1527
Number of pages3
JournalAngewandte Chemie - International Edition
Volume43
Issue number12
DOIs
Publication statusPublished - 12 Mar 2004

Keywords

  • Ionic liquids
  • Molecular switches
  • Optical memory
  • Photochemistry

Fingerprint Dive into the research topics of 'Thermal and photochemical properties of 4′,7-dihydroxyflavylium in water-ionic liquid biphasic systems: a write-read-erase molecular switch'. Together they form a unique fingerprint.

  • Cite this