摘要
本文应用x -射线衍射研究了CMC/Eu(Ⅲ )晶体结构 ,结果表明CMC能与Eu3 + 离子形成较为完整的六面体晶体结构 ;傅立叶红外光谱及Eu3 + 离子的7F0 →5D0 的激发光谱显示 ,Eu3 + 离子在该配合物中有两种格位 ;其荧光光谱还表明了该配合物无反演中心。其配位体总电荷为 - 2 .97,这与理论值 - 3.0
In this paper, we investigated the crystal structure of CMC/Eu(Ⅲ) by WAXD, the result showed that CMC coordinated Eu 3+ and formed more complete hexahedron crystal structure. The result by the excited spectrum of Eu 3+ ion’s 7F 0→ 5D 0 and FTIR of the coordinated complex was that there were two Eu(Ⅲ) sites of the CMC/Eu(Ⅲ)in the power polycrystalline samples. The fluorescence spectrum of the CMC/Eu(Ⅲ)showed the coordinated complex had no inversion center and the total lignand charge observed was -2.79 which is in good agreement with the calculated one -3.00.
出处
《造纸科学与技术》
北大核心
2003年第6期57-59,共3页
Paper Science & Technology
基金
国家自然科学基金 ( 2 0 0 0 40 0 3 )
制浆造纸工程国家重点实验室资助
