Synthesis of magnetite nanoparticles from mineral waste

被引：54
|
作者：
Kumar, Rohit [1 ]
Sakthivel, R. [1 ]
Behura, Reshma [1 ]
Mishra, B. K. [1 ]
Das, D. [2 ]
机构：
[1] CSIR Inst Minerals & Mat Technol, Bhubaneswar 751013, Orissa, India
[2] UGC DAE Consortium, Kolkata, India
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2015年 / 645卷
关键词：
Mineral waste; Iron ore tailings; Magnetite nanoparticles; Saturation magnetization; Antibacterial property; FE3O4; NANOPARTICLES; IRON; SURFACE; AKAGANEITE; TAILINGS; FUNCTIONALIZATION; GOLD;
D O I：
10.1016/j.jallcom.2015.05.089
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Magnetite nanoparticles were synthesized from iron ore tailings - a mineral waste collected from the iron ore processing plant. Mechanical milling followed by chemical route is employed to obtain the magnetite nanoparticles from the waste. The magnetite nanoparticles were characterized by X-ray diffractometer, Field Emission Scanning Electron Microscope, Fourier Transform Infrared Spectrometer and Vibrating Sample Magnetometer. X-ray diffraction pattern confirms the existence of a magnetite phase. Field Emission Scanning Electron Microscopic (FE-SEM) pictures reveal that the particle size is below 100 nm. Fourier Transform Infrared (FTIR) spectrum shows a band at 570 cm(-1) for the Fe-O bond vibration. Vibrating Sample Magnetometric (VSM) study shows high saturation magnetization value of 60 emu/g at low applied magnetic field. Silver coated magnetite nanoparticles exhibits antibacterial property whereas bare magnetite does not. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：398 / 404
页数：7
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