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Loading Actinides in Multilayered Structures for Nuclear Waste Treatment: The First Case Study of Uranium Capture with Vanadium Carbide MXene
Wang L(王琳); Yuan LY(袁立永); Zhang YJ(张玉娟); Zheng LR(郑黎荣); Zhang J(张静); Chai ZF(柴之芳); Shi WQ(石伟群); Wang, L; Yuan, LY; Chen, K; Zhang, YJ; Deng, QH; Du, SY; Huang, Q; Zheng, LR; Zhang, J; Chai, ZF; Barsoum, MW; Wang, XK; Shi, WQ
2016
发表期刊ACS APPLIED MATERIALS & INTERFACES
卷号8期号:25页码:16396
通讯作者石伟群
文章类型Article
摘要Efficient nuclear waste treatment and environmental management are important hurdles that need to be overcome if nuclear energy is to become more widely used. Herein, we demonstrate the first case of using two-dimensional (2D) multilayered V2CTx nanosheets prepared by HF etching of V2AlC to remove actinides from aqueous solutions. The V2CTx material is found to be a highly efficient uranium (U(VI)) sorbent, evidenced by a high uptake capacity of 174 mg g(-1), fast sorption kinetics, and desirable selectivity. Fitting of the sorption isotherm indicated that the sorption followed a heterogeneous adsorption model, most probably due to the presence of heterogeneous adsorption sites. Density functional theory calculations, in combination with X-ray absorption fine structure characterizations, suggest that the uranyl ions prefer to coordinate with hydroxyl groups bonded to the V-sites of the nanosheets via forming bidentate inner-sphere complexes.
关键词MXene vanadium carbide actinide sorption uranium DFT calculation EXAFS
DOI10.1021/acsami.6b02989
关键词[WOS]2-DIMENSIONAL TITANIUM CARBIDE ; HIGH VOLUMETRIC CAPACITANCE ; AQUEOUS-SOLUTIONS ; ADSORPTION BEHAVIOR ; CRYSTAL-STRUCTURE ; SORPTION ; URANYL ; U(VI) ; COORDINATION ; EXTRACTION
语种英语
WOS记录号WOS:000378984800061
引用统计
被引频次:29[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/261063
专题院士
多学科研究中心
作者单位中国科学院高能物理研究所
推荐引用方式
GB/T 7714
Wang L,Yuan LY,Zhang YJ,et al. Loading Actinides in Multilayered Structures for Nuclear Waste Treatment: The First Case Study of Uranium Capture with Vanadium Carbide MXene[J]. ACS APPLIED MATERIALS & INTERFACES,2016,8(25):16396.
APA 王琳.,袁立永.,张玉娟.,郑黎荣.,张静.,...&Shi, WQ.(2016).Loading Actinides in Multilayered Structures for Nuclear Waste Treatment: The First Case Study of Uranium Capture with Vanadium Carbide MXene.ACS APPLIED MATERIALS & INTERFACES,8(25),16396.
MLA 王琳,et al."Loading Actinides in Multilayered Structures for Nuclear Waste Treatment: The First Case Study of Uranium Capture with Vanadium Carbide MXene".ACS APPLIED MATERIALS & INTERFACES 8.25(2016):16396.
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