The photosensitive initiating system composed of 7 diethylamino 3 (2’ N methylbenzimidazolyl)coumarin dye (DBC) as sensitizer and diphenyliodonium hexafluorophosphate (DIH) as initiator,can be used to initiate the po...
Ketocoumarin dye 3-acetyl-7-diethylaminecoumrin was synthesized and charater ized. The spectra and photophysics behavior were studied in different aprotic solvents. Results showed that the fluorescence quantum yield h...