期刊
CHEMICAL SOCIETY REVIEWS
卷 51, 期 8, 页码 3243-3262出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0cs01192d
关键词
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资金
- China Scholarship Council
- University of Manchester
- Royal Society
- European Research Council (ERC) under the European Union [742401]
- EPSRC
- Center for Understanding and Control of Acid Gas-Induced Evolution of Materials for Energy (UNCAGE-ME), an Energy Frontier Research Center - U.S. Department of Energy (DOE), Office of Science, Office of Basic Energy Sciences (BES) [DE-SC0012577]
- U.S. Department of Energy [DE-NA0003525]
- European Research Council (ERC) [742401] Funding Source: European Research Council (ERC)
Nuclear power will continue to provide energy, but there are challenges in waste disposal and radioactive release. MOF materials show potential for selective adsorption of iodine and improving adsorption performance.
Nuclear power will continue to provide energy for the foreseeable future, but it can pose significant challenges in terms of the disposal of waste and potential release of untreated radioactive substances. Iodine is a volatile product from uranium fission and is particularly problematic due to its solubility. Different isotopes of iodine present different issues for people and the environment. I-129 has an extremely long half-life of 1.57 x 10(7) years and poses a long-term environmental risk due to bioaccumulation. In contrast, I-131 has a shorter half-life of 8.02 days and poses a significant risk to human health. There is, therefore, an urgent need to develop secure, efficient and economic stores to capture and sequester ionic and neutral iodine residues. Metal-organic framework (MOF) materials are a new generation of solid sorbents that have wide potential applicability for gas adsorption and substrate binding, and recently there is emerging research on their use for the selective adsorptive removal of iodine. Herein, we review the state-of-the-art performance of MOFs for iodine adsorption and their host-guest chemistry. Various aspects are discussed, including establishing structure-property relationships between the functionality of the MOF host and iodine binding. The techniques and methodologies used for the characterisation of iodine adsorption and of iodine-loaded MOFs are also discussed together with strategies for designing new MOFs that show improved performance for iodine adsorption.
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