Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 8, Issue 19, Pages 9523-9527Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9ta13980j
Keywords
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Funding
- National Natural Science Foundation of China [21771138]
- Natural Science Foundation of Tianjin [16JCYBJC19700]
- Singapore National Research Foundation Investigatorship [NRF-NRFI2018-03]
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Radioactive iodine in nuclear waste is increasingly harmful to nature with the continuous development and utilization of nuclear energy. Herein, two new two-dimensional covalent-organic frameworks (COFs, TJNU-201 and TJNU-202) were designed and synthesized by using sterically hindered 1,3,5-trimethyl-2,4,6-tris(4-aminophenyl)-benzene as a three-connected building block. Both COFs showed ultrahigh iodine capture capacity (5.625 g g(-1) for TJNU-201 and 4.820 g g(-1) for TJNU-202), which can be attributed to the physical-chemical adsorption.
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