作者:Takefumi Yoshida、Yemineni S. L. V. Narayana、Hitoshi Abe、Masayoshi Higuchi
DOI:10.1039/c8dt03125h
日期:——
distances of La–O and La–N are ∼2.80 Å and 2.60 Å, respectively. The EXAFS fitting indicated that the bond distances of Tb–O and Tb–N are 2.65 Å and 2.95 Å, respectively. polyTb shows field-induced magnetic relaxation in the solid and solution state. The luminescence of polyTb, originating from an f–f transition, was observed (ϕ = 6.9%). polyTb formed a porous structure on a Si substrate, whereas a fibrous
通过络合Tb(NO 3)3 ·(6H 2 O)和4',4'''-[1,1'-联苯] -4,合成出基于Tb(III)的配位聚合物(polyTb), 4'-二基双[6,6''-双(乙氧羰基)2':6',2''-叔吡啶](L)。通过乔布图,DFT计算和X射线吸收精细结构(XAFS)测量来确定聚合物结构。Job的图表明摩尔比(Tb离子:L)为1:1。优化的模型结构建议使用La模型:LaN 6 ⋯(OC)2模型。La–O和La–N的键合距离分别为〜2.80Å和2.60Å。EXAFS拟合表明,Tb–O和Tb–N的键合距离分别为2.65Å和2.95Å。polyTb在固态和固溶态下均显示出磁场感应的磁弛豫。观察到源自f–f跃迁的polyTb的发光(ϕ = 6.9%)。polyTb在Si基板上形成了多孔结构,而在玻璃上形成了纤维状复合结构。polyTb链在玻璃上取向,这是通过XRD确定的。