Synthesis, characterization and comparative studies of nonlinear optical chromophores with rod-like, Y-shaped and X-shaped configurations
作者:Huajun Xu、Zhaoqiong Zhou、Jiexue Wang、Xiaoling Zhang、Zhonghui Li、Guowei Deng、Fenggang Liu
DOI:10.1016/j.dyepig.2019.01.008
日期:2019.5
A series of highly polarizable nonlinear optical (NLO) chromophores ZJ1-4 with three different configurations, including rod-like, Y-shaped and X-shaped configurations, have been synthesized with facile routes and systematically studied. The resulted chromophores exhibited excellent thermal stabilities. The relationship between molecular configuration and NLO activity was analyzed from the theoretical
合成了一系列具有三种不同构型的高偏振非线性光学生色团ZJ1-4,包括杆状,Y形和X形构型,并通过简便的途径进行了系统的研究。所得生色团表现出优异的热稳定性。通过理论计算和实验分析了分子构型与NLO活性之间的关系。具有两个受体的X形结构增强了生色团ZJ4的分子偶极矩。同时,具有较大空间位阻的盘状分子构型可以抑制形成反平行相互作用的趋势。ZJ4表现出103点/ V的最大EO活性,和两个分子和材料非线性特性的是为发色团改善ZJ4与X形结构与对应的基准发色团相比ZJ1与棒状分子结构。