Hierarchically Structured Snowflake like WO3•0.33H2O Particles Prepared by a Facile, Green, and Microwave-assisted Method

被引：12
|
作者：
Li, Jiayin [1 ,2 ]
Huang, Jianfeng [1 ]
Yu, Chenglong [1 ]
Wu, Jianpeng [1 ]
Cao, Liyun [1 ]
Yanagisawa, Kazumichi [2 ]
机构：
[1] Shaanxi Univ Sci & Technol, Minist Educ, Key Lab Auxiliary Chem & Technol Light Chem Ind, Xian 710021, Peoples R China
[2] Kochi Univ, Res Lab Hydrothermal Chem, Fac Sci, Kochi 7808520, Japan
来源：
CHEMISTRY LETTERS | 2011年 / 40卷 / 06期
关键词：
PHOTOCATALYTIC ACTIVITY; HYDROTHERMAL PROCESS; TUNGSTEN TRIOXIDE; OXIDE; CRYSTALLIZATION; EVOLUTION; DUMBBELL; SURFACE; GROWTH;
D O I：
10.1246/cl.2011.579
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this letter, we report a novel hierarchically structured WO3 center dot 0.33H(2)O "snowflakes" that were successfully synthesized by a template-free and microwave-assisted hydrothermal method for the first time. Combining the characterization results and its crystal structure together reveals the WO3 center dot 0.33H(2)O particles have an oriented growth along six equivalent < 100 < directions in (001) plane to form the novel snowflakelike microstructure, which is significantly different from the sample prepared at conventional hydrothermal conditions. Moreover, microwave heating is considered to accelerate the oriented crystal growth along < 100 > directions.
引用
收藏
页码：579 / 581
页数：3
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