Synthesis of CeO2 nanoparticles: Photocatalytic and antibacterial activities

被引:24
|
作者
Yadav, L. S. Reddy [1 ,2 ]
Lingaraju, K. [3 ]
Prasad, B. Daruka [4 ]
Kavitha, C. [1 ]
Banuprakash, G. [5 ]
Nagaraju, G. [2 ]
机构
[1] BMS Inst Technol, Dept Chem, Bangalore 560064, Karnataka, India
[2] Siddaganga Inst Technol, Dept Chem, Tumkur 572103, India
[3] Tumkur Univ, Dept Environm Sci, Tumkur 572103, India
[4] BMS Inst Technol, Dept Phys, Bangalore 560064, Karnataka, India
[5] SJB Inst Technol, Dept Chem, Bangalore 560060, Karnataka, India
来源
EUROPEAN PHYSICAL JOURNAL PLUS | 2017年 / 132卷 / 05期
关键词
OXIDE; CATALYSTS; REMOVAL; OXIDATION; EXTRACT;
D O I
10.1140/epjp/i2017-11462-4
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We have successfully synthesized CeO2 nanoparticles (Nps) via the solution combustion method using sugarcane juice as a novel combustible fuel. The structural features, optical properties and morphology of the nanoparticles were characterized using XRD, FTIR, and Raman spectroscopy, UV-Vis, SEM and TEM. Structural characterization of the product shows cubic phase CeO2. FTIR and Raman spectrum show characteristic peaks due to the presence of Ce-O vibration. SEM images show a porous structure and, from TEM images, the size of the nanoparticles were found to be similar to 50 nm. The photocatalytic degradation of the methylene blue (MB) dye was examined using CeO2 Nps under solar irradiation as well as UV light irradiation and we studied the effect of pH, catalytic load and concentration on the degradation of the MB dye. Furthermore, the antibacterial properties of CeO2 Nps were investigated against Gram+ ve and Gram-ve pathogenic bacterial strains using the agar well diffusion method.
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页数:10
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