A series of organic-inorganic hybrid zinc phosphites with extra-large channels were synthesized and characterized by single-crystal X-ray diffraction. This is an unusual example of introducing 1,4-benzenedicarboxylate and/or biphenyl-4,4'-dicarboxylate ligands into the organically templated metal phosphite system to build extra-large-channel zeolite-related materials via hydro(solvo)thermal reactions. Those frameworks are composed of carboxylate linkers and inorganic tubes of zinc phosphites, translating their channel windows from a square shape (NTOU-1) to rhombus forms (NTOU-2 and NTOU-3) via the replacement of organic amines or ligands under synthesis conditions otherwise identical with those used to prepare NTOU-1. The synthesis, structural diversity, photoluminescence, and adsorption properties for dye molecules and lanthanide ions are also reported.
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Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung, Taiwan 202, R.O.C.
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