Three new rare earth ternary complexes, RE（PPP）3bpy （RE=Sm3＋, Eu3＋, Tb3＋）, were synthesized by the reaction of 1-phenyl-3- （p-phenylethynylphenyl）-1,3-propanedione （HPPP） and 2,2＇-bipyridine（bpy） with ra...Three new rare earth ternary complexes, RE（PPP）3bpy （RE=Sm3＋, Eu3＋, Tb3＋）, were synthesized by the reaction of 1-phenyl-3- （p-phenylethynylphenyl）-1,3-propanedione （HPPP） and 2,2＇-bipyridine（bpy） with rare earth chloride RECl13, respectively, in alcohol solution. The compositions were characterized by means of infrared （IR） spectra, chemical analysis, elemental analysis, and thermodynanaic analysis. Luminescent properties of the three complexes were studied. At room temperature, under UV light excitation, the Sm3＋, Eu3＋ and Tb3＋ complexes exhibited characteristic emission of the central ions. The fluorescence spectra showed that the fluorescence emission intensity of Eu3＋ complex was the strongest. The narrow strongest emission band of Eu3＋ complex was considered to be a valuable material with bright red fluorescence.展开更多
基金National Natural Science Foundation of China(21141008)Natural Science Foundation of Inner Mongolia(2009MS0205)Bao Tou Science and Technology Bureau(2010J2004)
文摘Three new rare earth ternary complexes, RE（PPP）3bpy （RE=Sm3＋, Eu3＋, Tb3＋）, were synthesized by the reaction of 1-phenyl-3- （p-phenylethynylphenyl）-1,3-propanedione （HPPP） and 2,2＇-bipyridine（bpy） with rare earth chloride RECl13, respectively, in alcohol solution. The compositions were characterized by means of infrared （IR） spectra, chemical analysis, elemental analysis, and thermodynanaic analysis. Luminescent properties of the three complexes were studied. At room temperature, under UV light excitation, the Sm3＋, Eu3＋ and Tb3＋ complexes exhibited characteristic emission of the central ions. The fluorescence spectra showed that the fluorescence emission intensity of Eu3＋ complex was the strongest. The narrow strongest emission band of Eu3＋ complex was considered to be a valuable material with bright red fluorescence.
