Layered structure-based materials: challenges and opportunities for radionuclide sequestration
Layered structure-based materials: challenges and opportunities for radionuclide sequestration
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层状结构材料：放射性核素封存的挑战和机遇
DOI：
10.1039/c9en01429b
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发表时间：
2020-03
影响因子：
7.3
通讯作者：
Shi Weiqun
中科院分区：
文献类型：
--
作者：
Wang Lin;Li Zijie;Wu Qunyan;Huang Zhiwei;Yuan Liyong;Chai Zhifang;Shi Weiqun
由于某些放射性核素可能在核燃料循环的不同阶段释放到环境中，其放射性和化学毒性，与核能快速发展相关的环境问题引起极大关注。因此，迫切需要先进的多功能材料和技术，以有效地消除环境介质中的放射性核素，用于污染控制和环境修复。近年来，许多新型层状结构材料被巧妙地制备并广泛应用于水溶液中放射性核素的螯合。然而，到目前为止，全面的分类总结与新的见解，这一主题仍然是相当有限的。本文系统地综述了近年来层状结构放射性核素螯合/去除新材料的研究进展。特别关注石墨烯和MXene基材料及其复合材料。还讨论了这一研究主题的重要方法，重点是计算和X射线吸收光谱法。最后，展望了层状结构功能材料在环境修复中的应用前景和研究方向。
The environmental issues associated with the fast advancement of nuclear energy are of great concern due to the radiological and chemical toxicity of some radionuclides which may be potentially released into the environment in different stages of the nuclear fuel cycle. Advanced versatile materials and techniques are thus critically needed to efficiently eliminate radionuclides from environmental media with respect to pollution control and environmental remediation. Recently, plenty of novel layered structure-based materials were ingeniously fabricated and widely applied in radionuclide sequestration from aqueous solutions. Up to now, however, comprehensive categorical summarization with new insights into this topic is still quite limited. Herein, this paper systematically reviewed recent research progress on new materials with layered structures for radionuclide sequestration or removal. Particular attention was paid to graphene- and MXene-based materials and their composites. Important methodologies for this topic of research, with emphasis on computational and X-ray absorption spectroscopy methods, were also discussed. In addition, future challenges and basic research needs about fabricating and utilizing tailored functional materials with layered structures for environmental remediation are also given.
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