Synthesis of two coordination polymer photocatalysts and significant enhancement of their catalytic photodegradation activity by doping with Co2+ ions

Duan-Xu Li, Zhi-Gang Ren, David James Young, Jian-Ping Lang

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    The coordination polymers (CPs) [Zn2(tipm)(1,3-BDC)2] (1) and [Co2(tipm)(1,3-BDC)2]?0.5CH3CN (2?0.5CH3CN) were synthesized by the reactions of Zn(NO3)2 or Co(NO3)2 with tetrakis[4-(1-imidazolyl)phenyl]methane (tipm) and benzene-1,3-dicarboxylic acid (1,3-H2BDC) under solvothermal conditions. Compounds 1 and 2 are isostructural and possess complicated three-dimensional frameworks with the Schlafli symbol (4?72)(62?73?12)(4?62?73). Cobalt ions were incorporated into the Zn-based CP framework 1 during solvothermal crystallization to yield [Zn(2-2x)Co2x(tipm)(1,3-BDC)2]?bH2O (x = 2.4 , b = 0 for 1a, x = 23 , b = 1 for 2a?H2O). Doped CPs 1a and 2a?H2O exhibited greater catalytic photodegradation of the dye rhodamine B (RhB) than the undoped complexes 1 and 2 and many literature examples.
    Original languageEnglish
    Pages (from-to)1981 - 1988
    Number of pages8
    JournalEuropean Journal of Inorganic Chemistry
    Issue number11
    Publication statusPublished - 2015

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