Two-Photon Optical Properties of Novel Branched Conjugated Derivatives Carrying Benzophenone Moiety with Various Electron Donor-Acceptor Substituent Groups
作者:Hongru Li、Long Yang、Jian Liu、Chunfeng Wang、Fang Gao、Shengtao Zhang
DOI:10.1007/s10895-010-0728-8
日期:2011.1
This paper presents a range of novel new branched conjugated dyes containing benzophenone moiety. As compared with those of 4-(p-benzoyl-styrene)yl-4′-(styrene)yl-triphenylamine (C1) and 4-(p-benzoyl-styrene)yl-4′-3,4,5-trimethoxyl-styrene)yl-triphenylamine (C2), the maximal linear absorption and emission wavelength of 4-(p-benzoyl-styrene)yl-4′-(p′-nitro-styrene)yl-triphenylamine (C3) displays red-shifted
本文介绍了一系列含有二苯甲酮部分的新型支链共轭染料。与4-(对苯甲酰基-苯乙烯)基-4'-(苯乙烯)基-三苯胺( C1 )和4-(对-苯甲酰基-苯乙烯)基-4'-3,4,5-三甲氧基相比-苯乙烯)基-三苯胺(C2),4-(对苯甲酰基-苯乙烯)基-4'-(对'-硝基-苯乙烯)基-三苯胺(C3)的最大线性吸收和发射波长显示红移值得注意的是,虽然C3的荧光量子产率低于C1和C2在各种溶剂中。测量了衍生物的荧光寿命,并计算了衍生物的辐射和非辐射跃迁常数。衍生物的双光子吸收 (TPA) 光学数据通过 Ti:sapphire 飞秒激光调谐从 720 到 880 nm 以 20 nm 的间隔测量。C3 的TPA 诱导荧光发射相对于C1和C2发生红移。在各种激发的激光频率下,C3 的TPA 截面大于C1和C2 的TPA 截面。C2和C3的TPA截面比3,4,5-(三甲氧基苯乙烯)基-三苯胺( C4) 和