通过分子设计,以吡啶-2,6-二甲酸为起始原料,合成了一种新型双吡唑啉酮吡啶配体:2,6-二(1-苯基4-乙氧羰基-5-吡唑啉酮-3-基)吡啶(H2L).配体与稀土Eu(Ⅲ)和Tb(Ⅲ)离子成功螫合形成配合物.配体和配合物经FT-IR,1H NMR和元素分析进行表征,并确定配合物组成为RE2L3·4H2O.对配合物的紫外吸收和光致发光性能进行了检测,结果显示Eu(Ⅲ)和Tb(Ⅲ)离子能够有效地被有机配体敏化,发射出高亮、半峰宽狭窄的单色光.研究表明目标配合物能够成为优秀的发光材料.
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