Structural, optical, electrical and magnetic properties of Cu and Ni doped SnO2 nanoparticles prepared via Co-precipitation approach

The pure SnO2, Cu and Ni-doped SnO2 nanoparticles (NPs) have synthesized by simple Co-precipitation method. PXRD confirms that the synthesized materials were in the tetragonal rutile-type structure and the crystallite size of the Pure SnO2, Cu and Ni-doped SnO2 NPs were around 10–13 nm. From UV–Vis...

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Bibliographic Details
Published in:Physica. B, Condensed matter Condensed matter, 2020-07, Vol.588, p.412169, Article 412169
Main Authors: Divya, J., Pramothkumar, A., Joshua Gnanamuthu, S., Bernice Victoria, D.C., Jobe prabakar, P.C.
Format: Article
Language:English
Subjects:
Agglomerated spherical morphology
Chemical bonds
Chemical synthesis
Co-precipitation
Cobalt
Copper
Coprecipitation
Crystal defects
Crystallites
Electric properties
Electrical properties
Electrical resistivity
Magnetic fields
Magnetic properties
Magnetic saturation
Nanoparticles
Nickel
Optical properties
SnO2 NPs
Tin
Tin dioxide
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Summary:The pure SnO2, Cu and Ni-doped SnO2 nanoparticles (NPs) have synthesized by simple Co-precipitation method. PXRD confirms that the synthesized materials were in the tetragonal rutile-type structure and the crystallite size of the Pure SnO2, Cu and Ni-doped SnO2 NPs were around 10–13 nm. From UV–Vis analysis, bandgap energy is found to be 2.84, 2.50 & 2.30 eV respectively for pure SnO2, Cu and Ni-doped SnO2 NPs. Chemical bonding's and the location of the O–Sn–O band confirmed at 632 cm−1 through FTIR-spectrum. PL emission of pure SnO2 shows a notable peak at 524 nm, the broad peak at 536 nm in the green region thus may due to several intrinsic defects. In magnetic properties, the higher value of saturation magnetization is found to be 0.07636 emu/g respectively for Ni-doped SnO2 NPs. In electrical studies, Ni-doped SnO2 NPs having good conductivity compare to the other synthesized samples. •Pure and transition metal (Cu, Ni) doped SnO2 NPs is conveniently synthesized.•The band gap energy is decreased from 2.84 to 2.50 and 2.30 eV for SnO2, Cu and Ni as dopants.•Enhanced magnetic property is observed for doped SnO2 NPs.•Better Electrical conductivity is achieved activity for doped SnO2 NPs.
ISSN:0921-4526
1873-2135
DOI:10.1016/j.physb.2020.412169