pH-value-controlled assembly of photoluminescent zinc coordination polymers |
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| Authors: | You-Fu Zhou |
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| Institution: | The State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Yang QiaoXi Road 155, Fuzhou, Fujian 350002, China |
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| Abstract: | By pH-value adjustment, the reactions of zinc salt, 1,3,5-benzenetricarboxylic acid (H3btc) and 4,4′-bipyridine (bpy) yield three coordination polymers, formulated as Zn3(btc)2(bpy)(H2O)2]n (1), Zn(Hbtc)(bpy)(H2O)]n · 3nH2O (2) and Zn(Hbtc)(bpy)(H2O)]n · 4nH2O (3), respectively. The structure of 1 is a 3D network containing channels filled with bpy ligands. Compound 2 consists of twofold interpenetrating (10,3)-b networks, while compound 3 is a 2D layer structure. The fluorescent studies reveal that they exhibit intense violet luminescence in solid state. |
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| Keywords: | Coordination polymer Hydrogen bonding Hydrothermal synthesis Mixed ligands Zinc (II) complexes |
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