NDLI: One-pot synthesis of hybrid nanospheres with multistructure for selective adsorption of Hg$^{2+}$

Content Provider	Springer Nature Link
Author	Jiang, Yi Jun Li, Xiu Tao Gao, Jing Guo, Xing Cui Guan, Jing Mu, Xin Dong
Copyright Year	2010
Abstract	Novel complex nanospheres with core/shell structure for selective adsorption of Hg$^{2+}$ 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 SiO$_{2}$ hybrid shell and Fe$_{3}$O$_{4}$@SiO$_{2}$ core (Fe$_{3}$O$_{4}$@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 Fe$_{3}$O$_{4}$@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 Hg$^{2+}$ adsorption, had a stable structure, and could be recycled easily with magnet.
Starting Page	939
Ending Page	945
Page Count	7
File Format	PDF
ISSN	13880764
Journal	Journal of Nanoparticle Research
Volume Number	13
Issue Number	3
e-ISSN	1572896X
Language	English
Publisher	Springer Netherlands
Publisher Date	2010-12-23
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	One-pot synthesis Hybrid nanospheres Multistructure High surface area Selective adsorption Core-shell structure Environmental remediation Physical Chemistry Characterization and Evaluation of Materials Optics, Optoelectronics, Plasmonics and Optical Devices Nanotechnology Inorganic Chemistry
Content Type	Text
Resource Type	Article
Subject	Chemistry Nanoscience and Nanotechnology Atomic and Molecular Physics, and Optics Condensed Matter Physics Bioengineering Modeling and Simulation

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