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Unexpected ultrafast and high adsorption capacity of oxygen vacancy-rich WOx/C nanowire networks for aqueous Pb2+ and methylene blue removal

文献类型：期刊论文

作者Zhang, Shouwei1,3,4; Yang, Hongcen1; Huang, Huiyan2; Gao, Huihui1; Wang, Xiangxue3,4; Cao, Ruya1; Li, Jiaxing3,4; Xu, Xijin1; Wang, Xiangke4
刊名JOURNAL OF MATERIALS CHEMISTRY A
出版日期2017-08-14
卷号5期号:30页码:15913-15922
DOI10.1039/c7ta04377e
文献子类Article
英文摘要The development of advanced adsorbents with high adsorption capacity and fast adsorption rates is one of the most important issues for water treatment. Herein, oxygen vacancy-rich WOx/C inorganic-organic hybrid nanowire networks were prepared by a one-pot and high yield solvothermal method. With their unique intercrossed hierarchical structure and abundant active sites, the WOx/C networks exhibited high adsorption capacities of similar to 1224.7 and 1188.3 mg g(-1) for the removal of Pb2+ and MB, respectively. Moreover, the adsorption equilibriums of Pb2+ and MB onto WOx/C networks can be achieved within only similar to 1 min, which were among the fastest of those previously reported for Pb2+ and MB adsorbents. These unexpected ultrafast and high adsorption capacities are attributed not only to the unique network nanostructure, but also to the enriched oxygen vacancies onto which small carbonaceous molecules can attach with high affinities, which may serve as anchoring sites for Pb2+ ions or dyes. The removal mechanism of Pb2+ and MB on WOx/C can be attributed to ion exchange, pi-pi interaction, hydrogen bonding and/or electrostatic attraction. This study not only provides a new strategy to design inorganic-organic hybrid adsorbents, but also demonstrates its prospective application in adsorptive removal and/or recovery of heavy metals and organic pollutants on a large scale.
WOS关键词GRAPHENE OXIDE NANOCOMPOSITE ; ORDERED MESOPOROUS CARBON ; TOXIC METAL-IONS ; ORGANIC POLLUTANTS ; WATER-TREATMENT ; VISIBLE-LIGHT ; EFFICIENT REMOVAL ; WASTE-WATER ; PERFORMANCE ; FABRICATION
WOS研究方向Chemistry ; Energy & Fuels ; Materials Science
语种英语
WOS记录号WOS:000406672400049
资助机构NSFC(51672109 ; NSFC(51672109 ; NSFC(51672109 ; NSFC(51672109 ; NSFC(51672109 ; NSFC(51672109 ; NSFC(51672109 ; NSFC(51672109 ; NSFC(51672109 ; NSFC(51672109 ; NSFC(51672109 ; NSFC(51672109 ; NSFC(51672109 ; NSFC(51672109 ; NSFC(51672109 ; NSFC(51672109 ; Natural Science Foundation of Shandong Province(ZR2016FM30 ; Natural Science Foundation of Shandong Province(ZR2016FM30 ; Natural Science Foundation of Shandong Province(ZR2016FM30 ; Natural Science Foundation of Shandong Province(ZR2016FM30 ; Natural Science Foundation of Shandong Province(ZR2016FM30 ; Natural Science Foundation of Shandong Province(ZR2016FM30 ; Natural Science Foundation of Shandong Province(ZR2016FM30 ; Natural Science Foundation of Shandong Province(ZR2016FM30 ; Natural Science Foundation of Shandong Province(ZR2016FM30 ; Natural Science Foundation of Shandong Province(ZR2016FM30 ; Natural Science Foundation of Shandong Province(ZR2016FM30 ; Natural Science Foundation of Shandong Province(ZR2016FM30 ; Natural Science Foundation of Shandong Province(ZR2016FM30 ; 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Natural Science Foundation of Shandong Province(ZR2016FM30 ; Natural Science Foundation of Shandong Province(ZR2016FM30 ; Chinese National Fusion Project for ITER(2013GB110005) ; Chinese National Fusion Project for ITER(2013GB110005) ; Chinese National Fusion Project for ITER(2013GB110005) ; Chinese National Fusion Project for ITER(2013GB110005) ; Chinese National Fusion Project for ITER(2013GB110005) ; Chinese National Fusion Project for ITER(2013GB110005) ; Chinese National Fusion Project for ITER(2013GB110005) ; Chinese National Fusion Project for ITER(2013GB110005) ; Chinese National Fusion Project for ITER(2013GB110005) ; Chinese National Fusion Project for ITER(2013GB110005) ; Chinese National Fusion Project for ITER(2013GB110005) ; Chinese National Fusion Project for ITER(2013GB110005) ; Chinese National Fusion Project for ITER(2013GB110005) ; Chinese National Fusion Project for ITER(2013GB110005) ; Chinese National Fusion Project for ITER(2013GB110005) ; Chinese National Fusion Project for ITER(2013GB110005) ; 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源URL[http://ir.hfcas.ac.cn:8080/handle/334002/33573]  
专题合肥物质科学研究院_中科院等离子体物理研究所
作者单位1.Univ Jinan, Sch Phys & Technol, Shandong 250022, Peoples R China
2.Wuyi Univ, Sch Chem & Environm Engn, Jiangmen 529020, Peoples R China
3.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China
4.North China Elect Power Univ, Sch Environm Sci & Engn, Beijing 102206, Peoples R China
推荐引用方式
GB/T 7714		 Zhang, Shouwei,Yang, Hongcen,Huang, Huiyan,et al. Unexpected ultrafast and high adsorption capacity of oxygen vacancy-rich WOx/C nanowire networks for aqueous Pb2+ and methylene blue removal[J]. JOURNAL OF MATERIALS CHEMISTRY A,2017,5(30):15913-15922.
APA Zhang, Shouwei.,Yang, Hongcen.,Huang, Huiyan.,Gao, Huihui.,Wang, Xiangxue.,...&Wang, Xiangke.(2017).Unexpected ultrafast and high adsorption capacity of oxygen vacancy-rich WOx/C nanowire networks for aqueous Pb2+ and methylene blue removal.JOURNAL OF MATERIALS CHEMISTRY A,5(30),15913-15922.
MLA Zhang, Shouwei,et al."Unexpected ultrafast and high adsorption capacity of oxygen vacancy-rich WOx/C nanowire networks for aqueous Pb2+ and methylene blue removal".JOURNAL OF MATERIALS CHEMISTRY A 5.30(2017):15913-15922.

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来源：合肥物质科学研究院

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