Citation: Ji Bing Yuan, Zhi Guo Zhang, Louis Man Leung, Ke Li Zhang. Synthesis and characterization of novel star-shaped pyridine cored compounds with alternating carbazole and triphenylamine moieties[J]. Chinese Chemical Letters, ;2008, 19(6): 647-650. doi: 10.1016/j.cclet.2008.04.008 shu

Synthesis and characterization of novel star-shaped pyridine cored compounds with alternating carbazole and triphenylamine moieties

a College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China;
b College of Chemical and Environmental Engineering, Hubei University of Technology, Wuhan 430068, China;
c Department of Chemistry, Hong Kong Baptist University, Hongkong, China

Received Date: 4 December 2007

Fund Project: This work is supported by Hubei Provincial Department of Education (No. 2006045500).

Amorphous 2,4,6-trissubstituted pyridines containing three peripheral carbazole or two triphenylamine and one carbazole moieties, respectively, have been synthesized and characterized. The properties of the compounds are investigated by UV-visabsorption, photoluminescence spectroscopy, thermal analysis as well as cyclic voltammetry. The results show that the compounds have high thermal stability, emit blue light. Also, the compounds possess the HOMO and LUMO energy levels comparable to those of NPB. The effects of different substituents on the electronic properties of the materials have been discussed.
- Star-shaped,
- Carbazole,
- Triphenylamine,
- PyridineReference
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