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铕(Ⅲ)离子光谱探针Eu(DBM)32AP络合物中Eu(Ⅲ)格位
EUROPIUM(Ⅲ) ION AS LUMINESCENT PROBE: EUROPIUM(Ⅲ) SITE IN THE Eu(DBM)32AP COMPLEX
【摘要】 在77K测得的激发光谱说明Eu(DBM)32AP(DBM:二苯甲酸甲烷根,AP:安替吡啉)络合物中Eu3+离子仅有一种晶格格位.5DO→7FJ(J=0-4)跃迁光谱说明中心Eu3+离子具有C2v格位对称性.实验测得的配位体总电荷为-2.75,与理论计算值-3.00吻合较好.
【Abstract】 At 77K a peak at 17261cm-1 indicating only one Eu(3333333) ion site in Eu(DBM)32AP (DBM:dibenzoylmethanate, AP:antipyrenc) complex was observed. Spectra of 5D0????????7FJ (J = 0 ~ 4 ) transitions show that the symmetry for Eu(333333333) site is C2r. The total ligand charge observed was -2.75 which, is in good agreement with the calculated one -3.00.
【基金】 中国科学院长春物理研究所激发态物理开放实验室资助
- 【文献出处】 发光学报 ,Chinese Journal of Luminescence , 编辑部邮箱 ,1992年01期
- 【被引频次】7
- 【下载频次】56