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Synthesis of Mn3O4/CeO2 Hybrid Nanotubes and Their Spontaneous Formation of a Paper-like, Free-Standing Membrane for the Removal of Arsenite from Water
Guo, Song; Sun, Wuzhu; Yang, Weiyi; Xu, Zhengchao; Li, Qi; Shang, Jian Ku; qili@imr.ac.cn
2015
发表期刊ACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
卷号7期号:47页码:26291-26300
摘要One-dimensional nanomaterials may organize into macrostructures to have hierarchically porous structures, which could not only be easily adopted into various water treatment apparatus to solve the separation issue of nanomaterials from water but also take full advantage of their nanosize effect for enhanced water treatment performance. In this work, a novel template-based process was developed to create Mn3O4/CeO2 hybrid nanotubes, in which a redox reaction happened between the OMS-2 nanowire template and Ce(NO3)(3) to create hybrid nanotubes without the template removal process. Both the Ce/Mn ratio and the precipitation agent were found to be critical in the formation of Mn3O4/CeO2 hybrid nanotubes. Because of their relatively large specific surface area, porous structure, high pore volume, and proper surface properties, these Mn3O4/CeO2 hybrid nanotubes demonstrated good As(III) removal performances in water. These Mn3O4/CeO2 hybrid nanotubes could form paper-like, free-standing membranes spontaneously by a self-assembly process without high temperature treatment, which kept the preferable properties of Mn3O4/CeO2 hybrid nanotubes while avoiding the potential nanomaterial dispersion problem. Thus, they could be readily utilized in commonly used flow-through reactors for water treatment purposes. This approach could be further applied to other material systems to create various hybrid nanotubes for a broad range of technical applications.
部门归属[guo, song ; sun, wuzhu ; yang, weiyi ; li, qi] chinese acad sci, inst met res, shenyang natl lab mat sci, environm funct mat div, shenyang 110016, peoples r china ; [xu, zhengchao] zhangjiagang green tech environm protect equipmen, zhangjiagang 215625, peoples r china ; [shang, jian ku] univ illinois, dept mat sci & engn, urbana, il 61801 usa
关键词Mn3o4/ceo2 Hybrid Nanotubes Redox Precipitation Reaction As(Iii) Removal Free-standing Membrane Toxicity Reduction
资助者Youth Innovation Promotion Association, Chinese Academy of Sciences [Y2N5711171]; Basic Science Innovation Program of Shenyang National Laboratory for Materials Science [Y4N56R1161]
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/75164
专题中国科学院金属研究所
通讯作者qili@imr.ac.cn
推荐引用方式
GB/T 7714
Guo, Song,Sun, Wuzhu,Yang, Weiyi,et al. Synthesis of Mn3O4/CeO2 Hybrid Nanotubes and Their Spontaneous Formation of a Paper-like, Free-Standing Membrane for the Removal of Arsenite from Water[J]. ACS APPLIED MATERIALS & INTERFACES,2015,7(47):26291-26300.
APA Guo, Song.,Sun, Wuzhu.,Yang, Weiyi.,Xu, Zhengchao.,Li, Qi.,...&qili@imr.ac.cn.(2015).Synthesis of Mn3O4/CeO2 Hybrid Nanotubes and Their Spontaneous Formation of a Paper-like, Free-Standing Membrane for the Removal of Arsenite from Water.ACS APPLIED MATERIALS & INTERFACES,7(47),26291-26300.
MLA Guo, Song,et al."Synthesis of Mn3O4/CeO2 Hybrid Nanotubes and Their Spontaneous Formation of a Paper-like, Free-Standing Membrane for the Removal of Arsenite from Water".ACS APPLIED MATERIALS & INTERFACES 7.47(2015):26291-26300.
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