共 69 条
Photocatalytic dye degradation and biological activities of the Fe2O3/Cu2O nanocomposite
被引:134
作者:

Abhilash, Mavinakere Ramesh
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机构:
Univ Mysore, Dept Studies Environm Sci, Mysore 570006, Karnataka, India Univ Mysore, Dept Studies Environm Sci, Mysore 570006, Karnataka, India

Akshatha, Gangadhar
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Univ Mysore, Dept Studies Environm Sci, Mysore 570006, Karnataka, India
Univ Mysore, Ctr Mat Sci & Technol, Vijnana Bhavan, Mysore 570006, Karnataka, India Univ Mysore, Dept Studies Environm Sci, Mysore 570006, Karnataka, India

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机构:
[1] Univ Mysore, Dept Studies Environm Sci, Mysore 570006, Karnataka, India
[2] Univ Mysore, Ctr Mat Sci & Technol, Vijnana Bhavan, Mysore 570006, Karnataka, India
来源:
关键词:
CATALYTIC PERFORMANCE;
NANOPARTICLES;
OXIDE;
TIO2;
GRAPHENE;
TOXICITY;
ZNO;
UV;
D O I:
10.1039/c8ra09929d
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
The present study reports the synthesis of the Fe2O3/Cu2O nanocomposite via a facile hydrothermal route. The products were characterized using X-ray diffractometry (XRD), Fourier-transform infrared spectroscopy (FTIR), dynamic light scattering (DLS), high-resolution transmission electron microscopy (HR-TEM), energy dispersive spectroscopy (EDS) and Brunauer-Emmett-Teller (BET) techniques. The composition, morphology and structural features of the nanoparticles were found to be size-dependent due to the temperature response in the particular time log during hydrothermal synthesis. HR-TEM confirmed the formation of hexagonal rod-shaped bare Cu2O, rhombohedral-shaped Fe2O3 and composite assembly. Rhodamine-B (RB) and Janus green (JG) were chosen as model dyes for the degradation studies. Photocatalytic degradation of the dyes was deliberated by altering the catalyst and dye concentrations. The results showed that the Rhodamine-B (RB) and Janus green (JG) dyes were degraded within a short time span. The synthesized materials were found to be highly stable in the visible light-driven degradation of the dyes; showed antibacterial activity against E. coli, P. aeruginosa, Staph. aureus and B. subtilis; and exhibited less toxicity against the Musmusculus skin melanoma cells (B16-F10). The fusion of these advantages paves the way for further applications in energy conversion, biological applications as well as in environmental remediation.
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页码:8557 / 8568
页数:12
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