Effect of Precursor Concentration on the Structural, Morphological, and Optical Properties of TiO2 Nano-Flowers

被引：2

作者：

Anwar, M. S. ^{[1
]}

Danish, Rehan ^{[1
]}

Park, Keun Young ^{[1
]}

Koo, Bon Heun ^{[1
]}

机构：

[1] Changwon Natl Univ, Sch Mat Sci & Engn, Chang Won 641773, South Korea

来源：

KOREAN JOURNAL OF MATERIALS RESEARCH | 2015年 / 25卷 / 05期

关键词：

titania; hydrothermal; photo-catalysis; XRD; FE-SEM;

D O I：

10.3740/MRSK.2015.25.5.247

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effect of precursor concentration on the structural, morphological, and optical properties of TiO(2)nano-flowers was investigated in this study. An increase in crystallite size was observed with an increase in the concentration of the precursor (titanium butoxide). The FE-SEM micrographs of the as-prepared samples show a three-dimensional flower-like morphology. The flowers consist of several nanorods coming out of a single core and have very sharp edges. Also, the variation in the aspect ratio of the nanostructure was observed with the concentration of the precursor. The photocatalytic properties of the samples show that the sample that has a high aspect ratio (AR similar to 9) has a much better photocatalytic activity compared to the nano-crystal with a low aspect ratio (AR similar to 6.1). It is believed that the excellent photocatalytic performance and short time synthesis of TiO(2)nano-flowers using the microwave hydrothermal method can have potential applications in the field of photocatalysis.

引用

页码：247 / 252

页数：6

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