Synthesis and fluorescence properties of carbazole and fluorene-based compounds

被引：61
|
作者：
Shao, Hongxia [1 ]
Chen, Xiaopeng [1 ]
Wang, Zixing [1 ]
Lu, Ping [1 ]
机构：
[1] Zhejiang Univ, Dept Chem, Hangzhou 310027, Peoples R China
来源：
JOURNAL OF LUMINESCENCE | 2007年 / 127卷 / 02期
关键词：
carbazole; fluorene; donor-acceptor; ICT; stoke shift; Lippert Mataga equation; dipole moment;
D O I：
10.1016/j.jlumin.2007.01.013
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Three donor-acceptor (D-A) conjugated compounds consisted of carbazole and fluorene (Scheme 1) were synthesized via Wittig-Horner, Ullmann or Sonogashira reaction. Their photoluminescence properties were investigated in solution and solid state, respectively. Luminescence in various solvents revealed the intramolecular charge transfer (ICT) process exists in these D-A molecules. Correlation between the Stokes' shifts and solvent polarity parameters indicated that moderate large dipole moments exist in the excited states. (c) 2007 Elsevier B.V. All rights reserved.
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页码：349 / 354
页数：6
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