A new class of laser dyes, 2-oxa-bicyclo[3.3.0]octa-4,8-diene-3,6-diones, with unity fluorescence yield

Wang C.-YYeh Y.-SLi E.YLiu Y.-HSHIE-MING PENGLiu S.-TSHIUH-TZUNG LIUPI-TAI CHOU2022-12-142022-12-14200613597345https://www.scopus.com/inward/record.uri?eid=2-s2.0-33745214206&doi=10.1039%2fb604539a&partnerID=40&md5=51994a1da300dd01e85005358c138900https://scholars.lib.ntu.edu.tw/handle/123456789/626200A new class of highly fluorescent dyes, 4,8-diphenyl-2-oxa-bicyclo[3.3.0] octa-4,8-diene-3,6-diones (1a-c), have been synthesized, they all exhibit unity fluorescence quantum yield and short radiative lifetime (< 4 ns) in common organic solvents and have demonstrated remarkable amplified spontaneous emission with a gain efficiency of > 10. © The Royal Society of Chemistry 2006.2 oxabicyclo[3.3.0]octa 4,8 diene 3,6 dione derivative; dye; organic solvent; unclassified drug; article; fluorescence; laser; molecular recognition; photon absorptiometry; proton nuclear magnetic resonance; quantum chemistry; quantum mechanics; radiation; synthesisA new class of laser dyes, 2-oxa-bicyclo[3.3.0]octa-4,8-diene-3,6-diones, with unity fluorescence yieldjournal article10.1039/b604539a2-s2.0-33745214206