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One-pot synthesis of hybrid nanospheres with multistructure for selective adsorption of Hg2+
Jiang, Yi Jun; Li, Xiu Tao; Gao, Jing; Guo, Xing Cui; Guan, Jing; Mu, Xin Dong
2011-03-01
发表期刊JOURNAL OF NANOPARTICLE RESEARCH
卷号13期号:3页码:939-945
摘要

Novel complex nanospheres with core/shell structure for selective adsorption of Hg2+ have been prepared by a simple one-pot method. Scanning electron microscopy (SEM) and transmission electron microscope (TEM) images showed the nanospheres had perpendicularly thiol-functionalized mesoporous SiO2 hybrid shell and Fe3O4@SiO2 core (Fe3O4@nSiO2@mSiO2–SH). XRD patterns of as-synthesized nanospheres confirmed the observation of the SEM and TEM. The size of the nanospheres is about 100 nm. Based on the analysis of N2 sorption–desorption isotherm, the surface area and pore volume of the adsorbent are 861 m2/g and 0.48 cm3/g, respectively. The saturation magnetization value for Fe3O4@nSiO2@mSiO2–SH is as high as 6.87 emu g−1. The nanospheres showed more accessible active sites and high dispersibility in water, exhibited excellent performance for selective Hg2+ adsorption, had a stable structure, and could be recycled easily with magnet.

; Novel complex nanospheres with core/shell structure for selective adsorption of Hg2+ have been prepared by a simple one-pot method. Scanning electron microscopy (SEM) and transmission electron microscope (TEM) images showed the nanospheres had perpendicularly thiol-functionalized mesoporous SiO2 hybrid shell and Fe3O4@SiO2 core (Fe3O4@nSiO(2)@mSiO(2)-SH). XRD patterns of as-synthesized nanospheres confirmed the observation of the SEM and TEM. The size of the nanospheres is about 100 nm. Based on the analysis of N-2 sorption-desorption isotherm, the surface area and pore volume of the adsorbent are 861 m(2)/g and 0.48 cm(3)/g, respectively. The saturation magnetization value for Fe3O4@nSiO(2)@mSiO(2)-SH is as high as 6.87 emu g(-1). The nanospheres showed more accessible active sites and high dispersibility in water, exhibited excellent performance for selective Hg2+ adsorption, had a stable structure, and could be recycled easily with magnet.
文章类型Article
关键词One-pot Synthesis Hybrid Nanospheres Multistructure High Surface Area Selective Adsorption Core-shell Structure Environmental Remediation
学科领域绿色化学催化
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1007/s11051-010-0066-4
关键词[WOS]HEAVY-METAL IONS ; MESOPOROUS SILICA ; MAGNETIC NANOPARTICLES ; NANOCOMPOSITE SPHERES ; FACILE ROUTE ; REMOVAL ; FABRICATION ; POLLUTANTS ; CARBONS ; SHELL
收录类别SCI
语种英语
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science
WOS类目Chemistry, Multidisciplinary ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS记录号WOS:000289003000004
引用统计
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/1408
专题绿色化学催化研究组
作者单位Chinese Acad Sci, Key Lab Biofuels, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Peoples R China
推荐引用方式
GB/T 7714
Jiang, Yi Jun,Li, Xiu Tao,Gao, Jing,et al. One-pot synthesis of hybrid nanospheres with multistructure for selective adsorption of Hg2+[J]. JOURNAL OF NANOPARTICLE RESEARCH,2011,13(3):939-945.
APA Jiang, Yi Jun,Li, Xiu Tao,Gao, Jing,Guo, Xing Cui,Guan, Jing,&Mu, Xin Dong.(2011).One-pot synthesis of hybrid nanospheres with multistructure for selective adsorption of Hg2+.JOURNAL OF NANOPARTICLE RESEARCH,13(3),939-945.
MLA Jiang, Yi Jun,et al."One-pot synthesis of hybrid nanospheres with multistructure for selective adsorption of Hg2+".JOURNAL OF NANOPARTICLE RESEARCH 13.3(2011):939-945.
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