Synthesis and characterization of antibacterial activities nickel doped cobalt oxide nano particles

被引：29
作者：
Mayakannan, M. [1 ]
Gopinath, S. [1 ]
Vetrivel, S. [1 ]
机构：
[1] Govt Arts Coll, PG & Res Dept Phys, Tiruvannamalai 606603, Tamil Nadu, India
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2020年 / 242卷
关键词：
Microwave irradiation method; Structural properties; Morphological properties; HRSEM; Antibacterial activity; NICO2O4; ELECTRODE; NANOPARTICLES; PERFORMANCE; NANOSHEETS; FACILE; FOAM;
D O I：
10.1016/j.matchemphys.2019.122282
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, synthesis of pure cobalt oxide and Ni-doped cobalt oxide nano particles by microwave irradiation method and their characterization was analyzed and reported. These nano particles were analyzed by powder X-ray diffraction, Fourier transform infrared spectroscopy, high resolution scanning electron microscopy (HRSEM) and energy dispersive spectrum (EDS), transmission electron microscopy (TEM). The powder X-ray diffraction pattern showed the cubic phase structure with crystalline size of 36 nm, 25 nm, 17 nm, 26 nm. It is also confirmed by TEM morphological analysis. UV-vis NIR spectral analysis shows optical band gap decreases and shifted from E-g (=)5.57 eV-3.71 eV due to doping of Ni. Fluorescence spectrum shows emission wavelength at 625 nm that indicates a strong red shift. The antibacterial activity of the samples infers that among all the samples the 20% nickel doped cobalt oxide nano particles possess better activity.
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页数：12
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