1037168-29-8Relevant articles and documents
Synthesis, characterization and third-order nonlinear optical behaviour of three novel ethyne-linked donor/acceptor chromophores
Yuan, Yuehua,Zhou, Wenfa,Tian, Maozhong,Song, Jiangtao,Bai, Yunfeng,Feng, Feng,Song, Yinglin
, (2021/02/27)
Three novel ethyne-linked donor/acceptor chromophores, BAB, BAS and SAS were synthesized. The results of BAB in femtosecond and nanosecond Z-scan at 532 nm reveal that the transition from saturable absorption (SA) to reverse saturable absorption (RSA), wh
The development of phenylethylene dendrons for blue phosphorescent emitters
Lo, Shih-Chun,Harding, Ruth E.,Brightman, Edward,Burn, Paul L.,Samuel, Ifor D. W.
experimental part, p. 3213 - 3227 (2010/05/02)
New high triplet energy dendrons based on 1,2-diphenylethylene with and without 2-ethylhexyloxy surface groups have been developed for deep blue phosphorescent iridium(III) dendrimers. The fac-tris[1-methyl-5-(4-fluoro) phenyl-3-n-propyl-1H-[1,2,4]triazolyl]iridium(III)-cored dendrimers, bearing first generation 1,2-diphenylethylene dendrons on the ligand triazolyl and phenyl rings, were prepared in excellent yields, employing Sonogashira cross-couplings and palladium catalysed hydrogenation as the key synthetic steps. Both dendrimers showed good thermal stability although the flexible nature of the dendrons led to the materials having low glass transition temperatures. Dendrimer 15 (without the surface groups) emitted good blue phosphorescence with a solution photoluminescence quantum yield (PLQY) of 46%, Commission Internationale de l'Eclairage (CIE) co-ordinates of (0.15, 0.14) and photoluminescence peaks at 441 and 468 nm. The solution PLQY was 50% higher than the parent iridium(III) complex showing that the high triplet energy of the diphenylethylene dendrons does not quench the luminescence of the iridium(III) complex core. Dendrimer 34, which has the surface groups, had a film PLQY of 49% and CIE co-ordinates of (0.16, 0.19) with PL peaks at 441 and 469 nm. The Royal Society of Chemistry 2009.
Discotic liquid crystals: Synthesis and characterization of radial polyalkynylbenzene derivatives
Varshney, Sanjay Kumar,Takezoe, Hideo,Rao, Doddamane Sreenivasamurthy Shankar
supporting information; experimental part, p. 163 - 167 (2009/04/06)
New radial polyalkynylbenzene derivatives, which consist of 4-phenylacetylene unit connected with a central phenyl or phenoxy or tolyl linking moiety, are presented. The mesomorphic properties of these compounds in their pure form and as donor-accepter (D
