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Hollow Sodium Tungsten Bronze (Na0.15WO3) Nanospheres: Preparation, Characterization, and Their Adsorption Properties

Hou, Jing and Zuo, Guanke and Shen, Guangxia and Guo, He and Liu, Hui and Cheng, Ping and Zhang, Jingyan and Guo, Shouwu (2009) Hollow Sodium Tungsten Bronze (Na0.15WO3) Nanospheres: Preparation, Characterization, and Their Adsorption Properties. Nanoscale Research Letters, 4 (10). pp. 1241-1246. ISSN swguo@sjtu.edu.cn

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Official URL: http://www.springerlink.com/content/0272270hu6x54n...

Abstract

We report herein a facile method for the preparation of sodium tungsten bronzes hollow nanospheres using hydrogen gas bubbles as reactant for chemical reduction of tungstate to tungsten and as template for the formation of hollow nanospheres at the same time. The chemical composition and the crystalline state of the as-prepared hollow Na0.15WO3 nanospheres were characterized complementarily, and the hollow structure formation mechanism was proposed. The hollow Na0.15WO3 nanospheres showed large Brunauer–Emment–Teller specific area (33.8 m2 g−1), strong resistance to acids, and excellent ability to remove organic molecules such as dye and proteins from aqueous solutions. These illustrate that the hollow nanospheres of Na0.15WO3 should be a useful adsorbent

Item Type:Article
Uncontrolled Keywords:Sodium tungsten bronze - Hollow nanosphere - Adsorption property
Subjects:Material Science > Functional and hybrid materials
Material Science > Nanofabrication processes and tools
Material Science > Nanochemistry
ID Code:7129
Deposited By:Lesley Tobin
Deposited On:13 Nov 2009 16:24
Last Modified:13 Nov 2009 16:24

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