Reversible disassembly of metallasupramolecular structures mediated by a metastable-state photoacid. Issue 18 (20th April 2018)

• Record Type: Journal Article
• Authors: Jansze, Suzanne M.; Cecot, Giacomo; Severin, Kay
• Is Part Of: Chemical science. Volume 9:Issue 18(2018)
• Page Start: 4253
• Page End: 4257
• Publication Date: 2018-04-20
• Subjects: Chemistry -- Periodicals; 540.5
• DOI: 10.1039/c8sc01108g
• Languages: English
• ISSNs: 2041-6520

Abstract

Abstract : Only stable in the dark: when mixed with a metastable-state photoacid, metallasupramolecular structures become light sensitive. The photo-induced disassembly of the structures is reversed when the light is switched off. Abstract : The addition of a metastable-state photoacid to solutions containing metal–ligand assemblies renders the systems light responsive. Upon irradiation, proton transfer from the photoacid to the ligand is observed, resulting in disassembly of the metallasupramolecular structure. In the dark, the process is fully reversed. Light-induced switching was demonstrated for six different metal–ligand assemblies containing Pd II, Pt II or Ru II complexes and bridging polypyridyl ligands. The methodology allows liberating guest molecules with light.