3 years ago

Three coordination compounds based on tris(1-imidazolyl)benzene: Hydrothermal synthesis, crystal structure and adsorption performances toward organic dyes

Three coordination compounds based on tris(1-imidazolyl)benzene: Hydrothermal synthesis, crystal structure and adsorption performances toward organic dyes
Three coordination compounds, zero-dimensional Co(tib)(ADC)2 (BUC-60), one-dimensional Zn3(tib)2Cl6 (BUC-61) and three-dimensional [Cu2(tib)2(MoO4)Cl]Cl (BUC-62), were obtained from the reaction of 1,3,5-tris(1-imidazolyl)benzene (tib), 1,3-adamantanedicarboxylic acid (H2adc), phosphomolybdic acid hydrate (H3PO4·12MoO3) and the corresponding metal salts under hydrothermal conditions. The as-prepared samples were characterized by single-crystal X-ray diffraction, Fourier transform infrared spectroscopy, CHN elemental analyses, thermal gravity analyses and photoluminescence spectroscopy. BUC-60 and BUC-61 exhibit good adsorption performances toward congo red (CR) and mordant blue 13 (MB13). The maximum adsorption capacities of BUC-60 and BUC-61 toward CR are 1949 and 1992 mg g−1, respectively, along with those toward MB13 being 564 and 209 mg g−1, respectively. In addition, BUC-60 can selectively capture anionic dyes molecules from a dye matrix.

Publisher URL: www.sciencedirect.com/science

DOI: S0277538717306526

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