Journal
JOURNAL OF LUMINESCENCE
Volume 128, Issue 8, Pages 1291-1296Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jlumin.2007.12.031
Keywords
carbazole; 1, 10-phenanthroline; polymeric complexes; luminescence
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A novel ligand 3,6-bis(1,10-phenathroline-[5,6-d] imidazole-2-yl)carbazole (Bpic) containing hole- and electron-transporting groups was firstly designed. Its polymeric complexes of Bpic with Cu(II), Zn(II) were successfully synthesized. The UV-vis absorption, fluorescence spectra and thermal properties of these complexes were investigated. At room temperature, complexes 2, 3 emit blue luminescence from 445 to 485 nm in DMSO solution, and emit green/yellow and orange luminescence from 523 to 585 nm in solid state. In comparison with the free ligand, the polymeric complexes exhibit a bathochromic shift. It can be assigned to the extended pi-conjugation of the complexes. (c) 2008 Elsevier B.V. All rights reserved.
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