Synthesis and fluorescent properties in complexes of Eu(Ⅲ), Tb(Ⅲ), and Sm(Ⅲ) with β-diketone and 2,2'-bipyridine

稀有金属（英文版）, 2012, 31(5): 484-488. doi: 10.1007/s12598-012-0544-1

LIU Xingwang ^1, , JIANG Jiadong ^2, , GUO Yuwei ^3, , YONG Shengli ^4, , YANG Kun ^5, , NIE Lu ^6,

1.School of Chemistry, Baotou Teachers' College, Baotou 014030, China

2.School of Chemical Engineering, Inner Mongolia University of Technology, Hohhot 010051, China

3.School of Chemistry, Baotou Teachers' College, Baotou 014030, China

4.School of Chemistry, Baotou Teachers' College, Baotou 014030, China

5.School of Chemistry, Baotou Teachers' College, Baotou 014030, China

6.School of Chemistry, Baotou Teachers' College, Baotou 014030, China

基金项目: This project was financially supported by the National Natural Science Foundation of China(21141008) the Natural Science Foundation of Inner Mongolia,China(2009MS0205) Baotou Science and Technology Bureau,China(2010J2004)

Synthesis and fluorescent properties in complexes of Eu(Ⅲ), Tb(Ⅲ), and Sm(Ⅲ) with β-diketone and 2,2'-bipyridine

LIU Xingwang ^1, , JIANG Jiadong ^2, , GUO Yuwei ^3, , YONG Shengli ^4, , YANG Kun ^5, , NIE Lu ^6,

1.School of Chemistry, Baotou Teachers' College, Baotou 014030, China

2.School of Chemical Engineering, Inner Mongolia University of Technology, Hohhot 010051, China

3.School of Chemistry, Baotou Teachers' College, Baotou 014030, China

4.School of Chemistry, Baotou Teachers' College, Baotou 014030, China

5.School of Chemistry, Baotou Teachers' College, Baotou 014030, China

6.School of Chemistry, Baotou Teachers' College, Baotou 014030, China

Keywords： β-diketone

Three new rare earth ternary complexes,RE(PB)3bpy (RE-Sm3+,Eu3+,and Tb3+),were synthesized by the reaction of 1-(p-phenylethynyl-phenyl)-1,3-butanedione (HPB) and 2,2'-bipyridine (bpy) with rare earth chloride REC13,respectively,in alcohol solution.The compositions were characterized by means of infrared (IR) spectra,chemical analysis,elemental analysis,and thermodynamic analysis.Luminescent properties of the three complexes were studied.At room temperature,under UV light excitation,the Sm3+,Eu3+,and Tb3+ complexes exhibit characteristic emission of the central ions.The fluorescence spectra show that the fluorescence emission intensity of Eu3+ complex is the strongest.The narrow strongest emission band of Eu3+ complex is considered to be a valuable material with bright red fluorescence.

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Synthesis and fluorescent properties in complexes of Eu(Ⅲ), Tb(Ⅲ), and Sm(Ⅲ) with β-diketone and 2,2'-bipyridine

参考文献