Synthesis of core-shell UiO-66-poly(m-phenylenediamine) composites for removal of hexavalent chromium.

作者: Haiying Wang , Lanjing Hou , Yujun Shen , Lei Huang , Yingjie He

DOI: 10.1007/S11356-019-07070-1

关键词:

摘要: The present research developed a direct in situ heterogeneous method to synthesize UiO-66-poly(m-phenylenediamine) core-shell nanostructures by inducing assembly of m-phenylenediamine radical on UiO-66 surfaces. strong interaction between negative charged and positive from the oxidation monomer is major driving force. produced composites exhibited distinct morphology with controllable surface features. UiO-661-PmPD0.5 showed uniform PmPD shell thickness 40–60 nm nanocomposite high specific area 319.77 m2 g−1. Moreover, Cr(VI) adsorption amount polymeric nanocomposites can reach as 745 mg g−1, far beyond performance original PmPD. tends be equilibrium within 300 min. This opens hopeful window for facile large-scale fabrication configuration, exhibiting prospect heavy metal removal water.

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