The Synergistic Effect between Triphenylpyrrole Isomers as Donors, Linking Groups, and Acceptors on the Fluorescence Properties of D-π-A Compounds in the Solid State
作者:Yunxiang Lei、Yueyin Lai、Lichao Dong、Guojun Shang、Zhengxu Cai、Jianbing Shi、Junge Zhi、Pengfei Li、Xiaobo Huang、Bin Tong、Yuping Dong
DOI:10.1002/chem.201704020
日期:2018.1.9
malononitrile (CN) and 1H‐indene‐1,3(2H)‐dione (CO) as acceptors, pyridone (P) and benzopyran (B) as π‐linking groups were synthesized. The compounds exhibited aggregation‐induced emission and piezochromic properties. Compared with previously reported donors, triphenylpyrroles induced all the compounds to have more remarkable photophysical properties. The compounds containing TPP‐1,2,5 and P moieties displayed
八个供体–π–受体(D–π–A)化合物使用三苯基吡咯异构体(TPP-1,2,5和TPP-1,3,4)作为供体,丙二腈(CN)和1 H-茚-1,3 (2小时合成了作为受体的)-二酮(CO),作为π-连接基团的吡啶酮(P)和苯并吡喃(B)。这些化合物表现出聚集诱导的发射和压致变色特性。与以前报道的供体相比,三苯基吡咯诱导所有化合物具有更显着的光物理性质。包含TPP-1、2、5和P部分的化合物显示出更强的荧光强度,更短的发射波长和更明显的压致变色性质。但是,如果B是π-连接基,则在包含TPP-1,3,4的系统中也观察到相同的现象。此外,CN受体使化合物具有相对强的荧光强度,其中CO诱导了相对长的发射波长。也就是说,可以通过调节供体的结构来控制D–π–A化合物的光物理性质,