Metal-organic fameworks based on multi-carboxylate ligands with threefold symmetries and luminescence properties

Three new metal-organic frameworks constructed from d10 metal and 1,3,5-tris(4-carbonylphenyloxy)benzene (tcpb) were synthesis under solvothermal condition. Compound 1 and 2 are 2D grid layers, in which the trinuclear metal clusters act as secondary building units (SBUs), and the tcpb ligand serves as organic linkers. Compound 3 is a 3D interpenetated structure with dia topology based on dinuclear Zn cluster as SBUs. All these frameworks had good stability in the air and Compound 1 and 3 exhibited strong photoluminescence at room temperature.239