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.

引用

页码：349 / 354

页数：6

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