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Star-shaped triphenylamine terminated difluoroboron β-diketonate complexes: synthesis, photophysical and electrochemical properties.
- Source :
-
Tetrahedron . Jun2014, Vol. 70 Issue 25, p3935-3942. 8p. - Publication Year :
- 2014
-
Abstract
- Abstract: Two new star-shaped difluoroboron β-diketonate complexes (TBC) 3 Ph and (TBF) 3 Ph, in which the terminal groups of triphenylamine functionalized difluoroboron β-diketonates were bridged by carbazole or fluorene to the core of 1,3,5-benzene, have been synthesized. It was found that they gave high molar extinction coefficients, meaning strong light-harvesting ability, and emitted intense yellow light with fluorescence quantum yields (Φ F) of 0.73 and 0.67 for (TBC) 3 Ph and (TBF) 3 Ph, respectively, in toluene as well as red light in solid states with Φ F of 0.36 and 0.27, respectively. The electrochemical behaviors suggested that they had considerably higher electron affinities than tris(8-hydroxyquinoline)aluminum (AlQ3), which indicated that they could be used as electron-transporting materials besides emitting materials. [Copyright &y& Elsevier]
- Subjects :
- *TRIPHENYLAMINE
*BORON
*ELECTROCHEMISTRY
*BENZENE synthesis
*FLUORENE
*FLUORESCENCE
Subjects
Details
- Language :
- English
- ISSN :
- 00404020
- Volume :
- 70
- Issue :
- 25
- Database :
- Academic Search Index
- Journal :
- Tetrahedron
- Publication Type :
- Academic Journal
- Accession number :
- 96020710
- Full Text :
- https://doi.org/10.1016/j.tet.2014.03.069