Journal article
Loading Actinides in Multilayered Structures for Nuclear Waste Treatment: The First Case Study of Uranium Capture with Vanadium Carbide MXene
ACS applied materials & interfaces, v 8(25), pp 16396-16403
29 Jun 2016
PMID: 27267649
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
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.
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Details
- Title
- Loading Actinides in Multilayered Structures for Nuclear Waste Treatment: The First Case Study of Uranium Capture with Vanadium Carbide MXene
- Creators
- Lin Wang - Institute of High Energy PhysicsLiyong Yuan - Institute of High Energy PhysicsKe Chen - Ningbo Institute of Industrial TechnologyYujuan Zhang - Institute of High Energy PhysicsQihuan Deng - Chinese Academy of SciencesShiyu Du - Chinese Academy of SciencesQing Huang - Chinese Academy of SciencesLirong Zheng - Institute of High Energy PhysicsJing Zhang - Institute of High Energy PhysicsZhifang Chai - Institute of High Energy PhysicsMichel W. Barsoum - Drexel UniversityXiangke Wang - North China Electric Power UniversityWeiqun Shi - Institute of High Energy Physics
- Publication Details
- ACS applied materials & interfaces, v 8(25), pp 16396-16403
- Publisher
- American Chemical Society; Washington, DC
- Number of pages
- 8
- Grant note
- 21577144; 91326202; 91226202 / Natural Science Foundation of China; National Natural Science Foundation of China (NSFC) XDA030104 / Chinese Academy of Sciences
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:000378984800061
- Scopus ID
- 2-s2.0-84976528302
- Other Identifier
- 991019169636204721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Materials Science, Multidisciplinary
- Nanoscience & Nanotechnology