Synthesis, two-photon absorption and AIE properties of multibranched thiophene-based triphenylamine derivatives with triazine core

被引:26
|
作者
Gao YuTing [1 ,2 ]
Zhang Hao [1 ,2 ]
Jiang Tao [1 ,2 ]
Yang Ji [1 ,2 ]
Li Bo [3 ]
Li Zhen [4 ]
Hua JianLi [1 ,2 ]
机构
[1] E China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
[2] E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R China
[3] E China Normal Univ, Minist Educ, Key Lab Polar Mat & Devices, Shanghai 200241, Peoples R China
[4] Wuhan Univ, Dept Chem, Wuhan 430072, Peoples R China
关键词
two-photon absorption; aggregation-induced emission; thiophene-based triphenylamine; 1,3,5-triazine; AGGREGATION-INDUCED EMISSION; TETRAPHENYLETHENE; FLUOROPHORES; CHROMOPHORES;
D O I
10.1007/s11426-013-4924-7
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Two new multibranched thiophene-based triarylamine derivatives with 1,3,5-triazine core are synthesized and characterized. Their one- and two-photon absorption properties and aggregation-induced emission effect have been investigated. Both the STAPA-based compounds are AIE active. The two-photon absorption (2PA) cross sections measured by the open aperture Z-scan technique are determined to be 620 and 1610 GM for STAPA-a and STAPA-b in chloroform, respectively, which dramatically increase with the introduction of alkyl chains. The relationship between their structures and properties on one- and two-photon absorption and aggregation-induced emission is discussed, which allows us to examine the effect of introducing alkyl chains. In addition, solvent effects also show a significant influence on the 2PA cross section. The two compounds with excellent AIE and 2PA properties provide attractive alternatives for the biophotonic materials.
引用
收藏
页码:1204 / 1212
页数:9
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