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Mechanochemical Synthesis of Chemically Stable Isoreticular Covalent Organic Frameworks

机译：机械化学合成化学稳定的等规共价有机骨架

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摘要

Three thermally and chemically stable isoreticular covalent organic frameworks (COFs) were synthesized via room-temperature solvent-free mechanochemical grinding. These COFs were successfully compared with their solvothermally synthesized counterparts in all aspects. These solvent-free mechanochemically synthesized COFs have moderate crystallinity with remarkable stability in boiling water, acid (9 N HCl), and base [TpBD (MC) in 3 N NaOH and TpPa-2 (MC) in 9 N NaOH]. Exfoliation of COF layers was simultaneously observed with COF formation during mechanochemical synthesis. The structures thus obtained seemed to have a graphene-like layered morphology (exfoliated layers), unlike the parent COFs synthesized solvothermally.
机译：通过室温无溶剂机械化学研磨合成了三种热和化学稳定的等孔共价有机骨架（COF）。这些COFs在各个方面都已成功与溶剂热合成的同类产品进行了比较。这些无溶剂的机械化学合成的COF具有适度的结晶度，在沸水，酸（9 N HCl）和碱中（在3 N NaOH中的TpBD（MC）和在9 N NaOH中的TpPa-2（MC））具有显着的稳定性。在机械化学合成过程中，同时观察到COF层的剥落和COF的形成。如此获得的结构似乎具有类似于石墨烯的层状形态（剥离层），这与溶剂热合成的母体COF不同。

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  • 来源
    《Journal of the American Chemical Society》 |2013年第14期|5328-5331|共4页
  • 作者

    Bishnu P. Biswal; Suman Chandra; Sharath Kandambeth; Binit Lukose; Thomas Heine; Rahul Banerjee;

  • 作者单位

    Physical and Materials Chemistry Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India;

    Physical and Materials Chemistry Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India;

    Physical and Materials Chemistry Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India;

    Center for Functional Nanomaterials, School of Engineering and Science, Jacobs University Bremen, Research Ⅲ, Room 61, Campus Ring 1, 28759 Bremen, Germany;

    Center for Functional Nanomaterials, School of Engineering and Science, Jacobs University Bremen, Research Ⅲ, Room 61, Campus Ring 1, 28759 Bremen, Germany;

    Physical and Materials Chemistry Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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