Elemental analysis and AES indicate that each Tb 3+ ion is coordinated by three TTA - ions and two hydroxyls from one unit in the EPU molecule, making the coordination polymer cross linked further.

• 元素分析和电感偶合等离子体发射光谱 (AES)测定结果证明了每个Tb3+ 分别与EPU分子中 1个链节单元的羟基和 3个TTA- 发生配位 ；从而得到配合物的结构 .