Dendritic and tubular tungsten oxide by surface sol-gel mineralisation of cellulosic substance

被引：8
|
作者：
Chai, Fang
Tan, Rongxin
Cao, Fenghua
Zhai, Fengying
Wang, Xiaohong [1 ]
Shao, Chanlu
Liu, Yichun
机构：
[1] NE Normal Univ, Fac Chem, Minist Educ, Key Lab Polyoxometalate Sci, Changchun 130024, Peoples R China
[2] Harbin Normal Univ, Dept Chem, Harbin 150500, Peoples R China
[3] NE Normal Univ, Ctr Adv Optoelect Funct Mat Res, Changchun 130024, Peoples R China
来源：
MATERIALS LETTERS | 2007年 / 61卷 / 18期
关键词：
tungsten oxide; biological template; surface sol-gel; dendritic structure; nanotube structure;
D O I：
10.1016/j.matlet.2006.12.087
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Dendritic and tubular-like tungsten oxide nanostructures have been prepared by a one-pot approach using a natural cellulosic substance as template at different pH conditions. Analysis by X-ray diffraction and electron microscopy revealed tungsten oxide Na2W2O7 nanostructures having different morphologies according to the pH of the reaction, that is at pH=3, the morphology of tungsten oxide is dendritic structure; at pH 6 prepared tungsten oxide has tubular structure. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：3939 / 3941
页数：3
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