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Assembly of Two Novel Cd3/(Cd3 + Cd5)‑Cluster-Based Metal–Organic Frameworks: Structures, Luminescence, and Photocatalytic Degradation of Organic Dyes

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journal contribution
posted on 14.03.2016, 00:00 by Ya-Pan Wu, Xue-Qian Wu, Jian-Fang Wang, Jun Zhao, Wen-Wen Dong, Dong-Sheng Li, Qi-Chun Zhang
Two new three-dimensional (3D) multinodal Cd­(II)–organic frameworks, [Cd3(dccpa)­(bipy)0.5­(H2O)4]­·5H2O (1) and [(CH3)2NH2]2­[Cd11(dccpa)4­(DMF)4(H2O)8]­·4H2O (2) (H6dccpa = 3,4-di­(3,5-dicarboxyl phenyl) phthalic acid, bipy = 4,4′-bipyridine), have been prepared and fully characterized. Compound 1 possesses a 3D neutral framework with a new (6,6,7)-connected topology based on a single trinuclear cluster, while 2 features a 3D anionic framework with a new (5,6,6,10)-connected topology containing mixed trinuclear and pentanuclear clusters. Remarkably, 1 and 2 show promising photocatalytic activities toward the degradation of rhodamine B and methyl blue, which suggests that different kinds of cluster units may exert different impacts on the decomposition of organic dyes.