In this work, we report a rare ionic covalent organic framework (named as ECUT-iCOF-5) synthesized by the Knoevenagel reaction using an ionic liquid monomer. ECUT-iCOF-5 is found to show a promising potential for gold extraction with a high extraction ability towards gold, including a high extraction capacity (3260 mg g), good selectivity over both cations and anions, and good recycle use (at least six times).
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| http://dx.doi.org/10.1039/d4cc03303e | DOI Listing |
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