Abstract
A new two-dimensional (2D) stable cadmium-organic framework, [Cd(btca)(2,2′-bpy)]n (1), has been successfully designed and synthesized by means of solvothermal method (where H2btca = benzotriazole-5-carboxylic acid, 2,2′-bpy = 2,2′-bipyridine). Complex 1 has been characterized by combining single-crystal X-ray diffraction analysis, elemental analysis and IR spectroscopy. Single-crystal X-ray diffraction analysis reveals that 1 possesses 2D wave-like layered structure, and these 2D wave-like layers are interlinked each other by π-π stacking interactions to form supramolecular network. Compound 1 is especially stable in air, water, acidic/basic aqueous solutions (pH = 1 ~ 13) and common organic solvents. Furthermore, MOF 1 is stable up to 460 °C. Therefore, Compound 1 possesses excellent chemical and thermal stabilities, which makes it possible for practical applications. In addition, the optical property of the complex 1 was investigated.
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