Effect of 1-(9-Ethyl-9H-carbazol-3-yl)-4,4,4-trifluorobutane-1,3-dione on Properties of Luminescent Europium (III) Complexes

Abstract:

In order to understand the effect of β-diketone ligands containing carbazole group on luminescent europium (III) complexes, a series of europium (III) complexes (Phen)Eu (DBM)_3-nL_n with 1-(9-Ethyl-9H-carbazol-3-yl)-4,4,4-trifluorobutane-1,3-dione (L) were synthesized and investigated contrastively (n = 0, 1, 2, 3; DBM: dibenzoylmethane; Phen: 1,10-phenanthroline). The results show amorphous nature, glass transition temperatures and luminescent intensity can be improved obviously by 1-(9-ethyl-9H-carbazol-3-yl)-4,4,4-trifluorobutane-1,3-dione, at the same time, their thermal decomposition temperatures have seldom effected by it. The results verify the performance of europium (III) complexes used as luminescent materials can be effectively improved by the β-diketone ligands of this type.

• Periodical: Advanced Materials Research (Volumes 834-836)
• Pages: 215-220
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.834-836.215
• Online since: October 2013
• Authors: Huai Jun Tang, Li Ying Wei, Qian Luo, Xian Wang Shen, Chang Li Liu
• Keywords: Carbazole, Europium Complex, Optical Materials, Photoluminescence (PL), β-Diketone

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