17
views
0
recommends
+1 Recommend
0 collections
    0
    shares
      • Record: found
      • Abstract: found
      • Article: found
      Is Open Access

      Ambient aqueous-phase synthesis of covalent organic frameworks for degradation of organic pollutants†

      research-article

      Read this article at

      Bookmark
          There is no author summary for this article yet. Authors can add summaries to their articles on ScienceOpen to make them more accessible to a non-specialist audience.

          Abstract

          Herein we report the first case of a β-ketoenamine based Michael addition–elimination reaction as well as ambient aqueous-phase synthesis of highly crystalline COF materials.

          Abstract

          The development of a mild, low cost and green synthetic route for covalent organic frameworks (COFs) is highly desirable in order to open the door for practical uses of this new family of crystalline porous solids. Herein, we report a general and facile strategy to prepare a series of microporous or mesoporous COFs by a β-ketoenamine based Michael addition–elimination reaction in aqueous systems at ambient temperature and pressure. This synthesis method not only produces highly crystalline and porous COFs, but also can be carried out with a high reaction rate (only 30 min), high yields (as high as 93%) and large-scale preparation (up to 5.0 g). Furthermore, an Fe( ii)-doped COF shows impressive performance in the oxidative degradation of organic pollutants in aqueous medium. This research thus provides a promising pathway to large-scale green preparation of COFs and their potential application in environmental remediation.

          Related collections

          Author and article information

          Journal
          Chem Sci
          Chem Sci
          Chemical Science
          Royal Society of Chemistry
          2041-6520
          2041-6539
          16 October 2019
          14 December 2019
          16 October 2019
          : 10
          : 46
          : 10815-10820
          Affiliations
          [a ] State Key Laboratory of Inorganic Synthesis and Preparative Chemistry , Jilin University , Changchun 130012 , China . Email: qrfang@ 123456jlu.edu.cn
          [b ] Department of Chemical and Biomolecular Engineering , Center for Catalytic Science and Technology , University of Delaware , Newark , DE 19716 , USA
          [c ] Normandie Univ , ENSICAEN , UNICAEN , CNRS , Laboratoire Catalyse et Spectrochimie , 6 Marechal Juin , 14050 Caen , France
          Author notes

          ‡These authors contributed equally.

          Author information
          http://orcid.org/0000-0001-6616-4575
          http://orcid.org/0000-0003-3365-5508
          Article
          c9sc03725j
          10.1039/c9sc03725j
          7066675
          32190240
          e9fb0350-4f24-4d20-90ff-1302dd233fc7
          This journal is © The Royal Society of Chemistry 2019

          This article is freely available. This article is licensed under a Creative Commons Attribution 3.0 Unported Licence (CC BY 3.0)

          History
          : 29 July 2019
          : 15 October 2019
          Categories
          Chemistry

          Notes

          †Electronic supplementary information (ESI) available: Procedure for the preparation of COFs, SEM images, FT-IR spectra, solid-state 13C NMR spectra, TGA analysis, stability test, PXRD patterns and structures, unit cell parameters and fractional atomic coordinates, and BET plots. See DOI: 10.1039/c9sc03725j


          Comments

          Comment on this article

          scite_
          91
          0
          63
          0
          Smart Citations
          91
          0
          63
          0
          Citing PublicationsSupportingMentioningContrasting
          View Citations

          See how this article has been cited at scite.ai

          scite shows how a scientific paper has been cited by providing the context of the citation, a classification describing whether it supports, mentions, or contrasts the cited claim, and a label indicating in which section the citation was made.

          Cited by31