Four coordination polymers named [Co(L)_0.5(bib)]_n (1), Zn(H₂L)(bib)]·2H₂O}_n (2), Cd(L)_0.5(1,2-bimb)]_n (3) and Zn(L)_0.5(bib)]_n (4) (H₄L ​= ​5-(3,5-dicarboxybenzyloxy) isophthalic acid, bib ​= ​1,4-bis(1-imidazolyl)benzene, and 1,2-bimb ​= ​1,2-bis(1-imidazolylmethyl)benzene) were synthesized by solvothermal method and structurally characterized by means of single-crystal X-ray diffraction, infrared spectra and elemental analyses. Complex 1 crystallized in orthorhombic space group Pbcn had a 2-fold interpenetrated framework. Complex 2 showed a 4-fold interpenetrated framework. Complex 3 presented a 3-fold interpenetrated framework that crystallized in the triclinic system Pī space group. Complex 4 was a three-dimensional (3D) porous framework. Remarkably, the photocatalytic degradation experiments of complexes 1–4 on methylene blue (MB) indicated that these complexes 1–4 exhibited obvious degradation effect on MB. Moreover, the investigation of the luminescent properties of complexes 2–4 revealed that these complexes 2–4 could be served as a potential highly selective Fe³⁺ ion luminescent sensor. In addition, the magnetic analyses of complex 1 indicated that there was antiferromagnetic interaction between the Co (II) ions in complex 1.

四种配位聚合物 [Co(L) _0.5 (bib)] _n (1) , Zn(H ₂ L)(bib)]·2H ₂ O} _n (2) , Cd(L) _0.5 (1,2-bimb )] _n (3)和 Zn(L) _0.5 (bib)] _n (4) (H ₄ L = 5-(3,5-dicarboxybenzyloxy) 间苯二甲酸，bib = 1,4-bis(1) -咪唑基)苯和1,2-bimb = 1,2-双(1-咪唑基甲基)苯)采用溶剂热法合成，并通过单晶X射线衍射、红外光谱和元素分析进行​​结构表征. 配合物1在正交空间群Pbcn 中结晶有一个 2-fold 相互渗透的框架。复合体2显示了一个 4 重的相互渗透的框架。复杂3提出了3倍互穿框架，结晶三斜晶系中P 1间隔基。复合物4是一个三维 (3D) 多孔框架。值得注意的是，复合物的光催化降解实验1 - 4上的亚甲基蓝（MB）表明，这些配合物1 - 4显示对MB明显降解作用。另外，配合物的发光性能的调查2 - 4表明，这些配合物2 - 4可用作潜在的高选择性 Fe ³⁺离子发光传感器。此外，复合物中的磁性分析1表明，在复合物中的钴（II）离子之间的反铁磁相互作用1。