Characterization of Titania Nanoparticles Synthesized by the Hydrothermal Method with Low Grade Mineral Precursors

被引：6
|
作者：
Mahdi, E. M. [1 ,3 ]
Hamdi, M. [2 ]
Yusoff, M. S. Meor [3 ]
Wilfred, P. [3 ]
机构：
[1] Univ Malaya, Fac Engn, Adv Mfg & Mat Proc Ctr, Kuala Lumpur 50603, Malaysia
[2] Univ Malaya, Fac Engn, Dept Engn Design & Manufacture, Kuala Lumpur 50603, Malaysia
[3] Agensi Nuklear Malaysia, Ind Technol Div, Mat Technol Grp, Kajang 43000, Selangor, Malaysia
来源：
JOURNAL OF NANO RESEARCH | 2013年 / 21卷
关键词：
Synthetic Rutile; titania nanoparticles; XRD; SEM; BET; DOPED TIO2 NANOPARTICLES; ILMENITE CONCENTRATE; RED MUD; REDUCTION;
D O I：
10.4028/www.scientific.net/JNanoR.21.71
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The objective of this work is to utilize a low-grade synthetic rutile to produce high-grade titania nanoparticles. Due to the nature of the precursor, the hydrothermal method needs modification in order to accommodate the precursors and chemical reagents. The product will be characterized with the XRD (crystallite size and crystallinity), EDXRF (chemical composition), SEM (Morphology), N-2 adsorption-desorption (Surface Area) and UV-Vis-NIR. Results revealed a crystallite size of less than 20 nm, a surface area of 186.8 m(2)/g, a morphology that is a combination of agglomeration and particles, and an optical band gap of 3.23 eV. It is concluded that synthetic rutile is a viable precursor to produce high quality titania nanoparticles.
引用
收藏
页码：71 / 76
页数：6
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