Shape evolution and applications in water purification: The case of CVD-grown Zn 2SiO 4 straw-bundles

Xianfu Wang; Hongtao Huang; Bin Liu; Bo Liang; Chao Zhang; Qin Ji; Di Chen; Guozhen Shen

doi:10.1039/c1jm14551g

Shape evolution and applications in water purification: The case of CVD-grown Zn ₂SiO ₄ straw-bundles

Xianfu Wang, Hongtao Huang, Bin Liu, Bo Liang, Chao Zhang, Qin Ji, Di Chen^*, Guozhen Shen

^*Corresponding author for this work

Huazhong University of Science and Technology

Research output: Contribution to journal › Article › peer-review

34 Citations (Scopus)

Abstract

3-D straw-bundle-like Zn ₂SiO ₄ architectures assembled from numerous radial nanowires were synthesized by a simple thermal evaporation method using ZnCl ₂ powder as reactant. The growth process was studied in detail and a "nanorods-to-straw-bundles-to-spheres" mechanism was proposed for the nanostructures synthesized from the vapor process. The application of the Zn ₂SiO ₄ straw bundles for the removal of toxic metal ions in water, Fe ^III and Cd ^II in this case, was investigated and the results indicate that the amount of Fe ^III and Cd ^II adsorbed onto the surface of the Zn ₂SiO ₄ straw bundles increased with the increase of pH values, and the Zn ₂SiO ₄ nanostructures showed better removal capacity for Fe ^III ions than Cd ^II ions.

Original language	English
Pages (from-to)	5330-5335
Number of pages	6
Journal	Journal of Materials Chemistry
Volume	22
Issue number	12
DOIs	https://doi.org/10.1039/c1jm14551g
Publication status	Published - 28 Mar 2012
Externally published	Yes

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abstract = "3-D straw-bundle-like Zn 2SiO 4 architectures assembled from numerous radial nanowires were synthesized by a simple thermal evaporation method using ZnCl 2 powder as reactant. The growth process was studied in detail and a {"}nanorods-to-straw-bundles-to-spheres{"} mechanism was proposed for the nanostructures synthesized from the vapor process. The application of the Zn 2SiO 4 straw bundles for the removal of toxic metal ions in water, Fe III and Cd II in this case, was investigated and the results indicate that the amount of Fe III and Cd II adsorbed onto the surface of the Zn 2SiO 4 straw bundles increased with the increase of pH values, and the Zn 2SiO 4 nanostructures showed better removal capacity for Fe III ions than Cd II ions.",

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T1 - Shape evolution and applications in water purification

T2 - The case of CVD-grown Zn 2SiO 4 straw-bundles

AU - Wang, Xianfu

AU - Huang, Hongtao

AU - Liu, Bin

AU - Liang, Bo

AU - Zhang, Chao

AU - Ji, Qin

AU - Chen, Di

AU - Shen, Guozhen

PY - 2012/3/28

Y1 - 2012/3/28

N2 - 3-D straw-bundle-like Zn 2SiO 4 architectures assembled from numerous radial nanowires were synthesized by a simple thermal evaporation method using ZnCl 2 powder as reactant. The growth process was studied in detail and a "nanorods-to-straw-bundles-to-spheres" mechanism was proposed for the nanostructures synthesized from the vapor process. The application of the Zn 2SiO 4 straw bundles for the removal of toxic metal ions in water, Fe III and Cd II in this case, was investigated and the results indicate that the amount of Fe III and Cd II adsorbed onto the surface of the Zn 2SiO 4 straw bundles increased with the increase of pH values, and the Zn 2SiO 4 nanostructures showed better removal capacity for Fe III ions than Cd II ions.

AB - 3-D straw-bundle-like Zn 2SiO 4 architectures assembled from numerous radial nanowires were synthesized by a simple thermal evaporation method using ZnCl 2 powder as reactant. The growth process was studied in detail and a "nanorods-to-straw-bundles-to-spheres" mechanism was proposed for the nanostructures synthesized from the vapor process. The application of the Zn 2SiO 4 straw bundles for the removal of toxic metal ions in water, Fe III and Cd II in this case, was investigated and the results indicate that the amount of Fe III and Cd II adsorbed onto the surface of the Zn 2SiO 4 straw bundles increased with the increase of pH values, and the Zn 2SiO 4 nanostructures showed better removal capacity for Fe III ions than Cd II ions.

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Shape evolution and applications in water purification: The case of CVD-grown Zn ₂SiO ₄ straw-bundles

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