苯并噻唑-嘧啶类新型生色分子的合成及表征  

Synthesis and Characterization of New Benzothiazole-Pyrimidine Chromophores

作　　者：刘蓉[1] 周钰明[1] 何曼[1] 戴佳[1] 崔一平[2] 张彤[2] 

机构地区：[1]东南大学化学化工学院,南京211189 [2]东南大学电子科学与工程学院

出　　处：《应用化学》2009年第3期268-272,共5页Chinese Journal of Applied Chemistry

基　　金：国家自然科学基金(50873026);江苏省科技厅科技支撑计划(BE2008129);江苏省"六大人才高峰"(06-A-033);部委(6906005001)资助项目

摘　　要：摘要合成了2种性能优异的苯并噻唑-嘧啶类新型生色分子。用IR、1H NMR、UV-Vis等测试技术对其结构进行了表征,并用超瑞利散射技术测定了其二阶极化率。结果表明,2种新型嘧啶类生色分子具有优异的光学透明性,最大吸收波长均小于487 nm,截止波长均小于550 nm;同时具有较高的二阶极化率,在波长1 064 nm处,β值分别达到3·70×10-28esu和3·90×10-28esu;热分解温度分别为299和302℃。可用于制备综合性能优异的非线性光学材料。Two new benzothiazole-pyrimidine chromophores were designed and synthesized. The structures of the molecules were characterized by IR, ^1H MNR, UV-Vis and so on. The second order nonlinear optical properties of both chromophores were determined by hyper Rayleigh scattering method. The results showed that the two new molecules exhibited excellent＇optic penetrability; the maximum absorption wavelengths of the compounds were less then 487 nm, and their critical wavelengths were below 550 nm. The compounds had high fl values of 3.70×10^-28esu and 3.90×10^-28 esuesu at 1 064 nm wavelength, respectively. These compounds were thermally stable with decomposition temperatures of 299 and 302 ℃, respectively, and consequently they could be considered for the preparation of NLO materials.

关 键 词：非线性 嘧啶 苯并噻唑 二阶极化率 

分 类 号：O625[理学—有机化学]