Chemistry Letters · 2003 · 46 citations · 12 references
Natural SciencesChemistryPhysicsMolecular PhysicsOrganic ChemistrySpectroscopyFluorescence SpectroscopyOptical SpectroscopyPhotochemistryPhotochromic MaterialsUltraviolet-visible SpectroscopyChromophore PhotochemistryDiarylethene CompoundsFluorescence LifetimeFluorophore ChemistryFluorophore PhotophysicsOrganic FluorophoresRing Form
Abstract A diarylethene dimer connected with a diyne 1 (O–O) was synthesized. Upon irradiation with 350-nm light the colorless hexane solution of 1 (O–O) changed to a dark-blue solution, in which absorption maximum was observed at 574 nm. The color is due to the formation of the isomer having one closed-ring form 1 (O–C). 1 (O–C) emitted red fluorescence at 720 nm and the intensity reversibly changed along with the photochromic reaction.
12
A digital fluorescent molecular photoswitch
Masahiro Irie, Tuyoshi Fukaminato, Takatoshi Sasaki et al. · Nature · 2002 · 1.2K citations