Effect of Precursor Concentration on the Structural, Morphological, Precursor Concentration on the Structural, Morphological,
(주)코리아스칼라
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- 2016.04.02
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- 2015.05
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서지정보
ㆍ발행기관 : 한국재료학회
ㆍ수록지정보 : 한국재료학회지 / 25권 / 5호
ㆍ저자명 : M. S. Anwar, Rehan Danish, Keun Young Park, Bon Heun Koo
목차
Abstract
1. Introduction
2. Experimental Procedure
3. Results and Discussion
4. Conclusions
Acknowledgment
References
영어 초록
The effect of precursor concentration on the structural, morphological, and optical properties of TiO2nano-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~9) has a much better photocatalytic activity compared to the nano-crystal with a low aspect ratio (AR~6.1). It is believed that the excellent photocatalytic performance and short time synthesis of TiO2nano-flowers using the microwave hydrothermal method can have potential applications in the field of photocatalysis.
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