61172-20-1Relevant articles and documents
ETUDE DE L'EFFET LASER DANS UNE NOUVELLE FAMILLE DE COMPOSES ORGANIQUES PRESENTANT UNE TRIPLE LIAISON : LES 1-4-DIARYL-BUT-1-EN-3-YNES
Violet, Philippe Fornier de
, p. 361 - 366 (2007/10/02)
Fluorescent properties and laser action of 1-4-diaryl-but-1-en-3-ynes derivatives are studied.Laser action has been observed between 402 and 432 nm.Correlation between laser action and substituents effects on the level of the excited states of the aryl group has been checked.The yield of laser action has been respectively found to be on the order 25percent and 5percent using respectively picoseconds or repetitive nanoseconds pulse irradiation.The results are discuss as a function of the position of the substituant, triplet-triplet absorption and photoisomerisation process.