(E)-N,N-双(4-乙氧基苯基)-4-苯乙烯基苯胺的合成及荧光性能  

Synthesis and Fluorescence Properties of(E)-N,N-Bis(4-ethoxyphenyl)-4-styrylbenzenamine

作　　者：施孟云 程宇凌 汪亚玲 段祺传 张景华 汤悦 童孝强 孙林 金凤 SHI Mengyun;CHENG Yuling;WANG Yaling;DUAN Qichuan;ZHANG Jinghua;TANG Yue;TONG Xiaoqiang;SUN Lin;JIN Feng(College of Chemical and Materials Engineering,Fuyang Normal University,Fuyang 236037,China)

机构地区：[1]阜阳师范大学化学与材料工程学院,安徽阜阳236037

出　　处：《合成化学》2025年第1期37-41,共5页Chinese Journal of Synthetic Chemistry

基　　金：国家级大学生创新创业计划项目(202310371023);安徽省大学生创新创业计划项目(S202410371062,S202410371063,S202310371086)。

摘　　要：有机发光材料通常具有易于进行分子结构设计和光电效率高等优点而备受关注。通过Wittig反应合成了一种π共轭结构有机荧光化合物(E)-N,N-双(4-乙氧基苯基)-4-苯乙烯基苯胺,其结构通过^(1)H NMR、^(13)C NMR和IR表征。实验测试了化合物的UV-Vis和荧光光谱,并通过含时密度泛函理论(TD-DFT)计算分析了化合物的荧光性能,结果表明:化合物在二氯甲烷(DCM)、乙酸乙酯(EA)、四氢呋喃(THF)、乙醇(EtOH)、甲醇(MeOH)、N,N-二甲基甲酰胺(DMF)、乙腈(ACN)和二甲基亚砜(DMSO)溶剂中均存在两个吸收峰,峰值分别位于300 nm和370 nm附近。在上述溶剂中的最强荧光发射波长λem分别为510 nm、492 nm、495 nm、510 nm、521 nm、527 nm、528 nm和529 nm。实验结果显示:最佳荧光发射波长在492~530 nm范围内,物质具有较好的荧光性能。Organic light-emitting materials often attract attention because of their easy molecular structure design and high photoelectric efficiency.Aπconjugated organic fluorescent compound,(E)-N,N-bis(4-ethoxyphenyl)-4-styrylbenzenamine was synthesized through Wittig reaction and the structure of the compound was characterized by ^(1)H NMR,^(13)C NMR and IR.The UV-Vis and fluorescence spectra of the compound were tested by experimental methods,and the fluorescence properties of the compound were analyzed by time-dependent density functional theory(TD-DFT),and the results show that the compound has two absorption peaks in dichloromethane,ethyl acetate,tetrahydrofuran,ethanol,methanol,N,N-dimethylformamide,acetonitrile,and dimethyl sulfoxide solvents,with the maximum absorption wavelengths about 300 nm and 370 nm;The strongest fluorescence emission wavelengthλem in above solvents are 510 nm,492 nm,495 nm,510 nm,521 nm,527 nm,528 nm,and 529 nm,respectively.The results of the experiment show that the optimal fluorescence emission wavelength is in the range of 492~530 nm,and the substance has good fluorescence performance.

关 键 词：D-π-A离域体系 三苯胺衍生物 合成 光学性质 有机荧光材料 

分 类 号：O625.15[理学—有机化学] O626.21[理学—化学]