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Effect of calcination temperature on the structural, optical and magnetic properties of pure and Fe-doped ZnO nanoparticles

Raminder Preet Pal Singh
Raminder Preet Pal Singh
, 
I.S. Hudiara
I.S. Hudiara
 et 
Shashi Bhushan Rana
Shashi Bhushan Rana
   | 18 juin 2016
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Article Category: Research Article
Publié en ligne: 18 juin 2016
Pages: 451 - 459
Reçu: 05 déc. 2015
Accepté: 28 avr. 2016
DOI: https://doi.org/10.1515/msp-2016-0059
© Wroclaw University of Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fig. 1

XRD patterns of pure ZnO nanoparticles calcined at 450 °C, 600 °C and 750 °C.
XRD patterns of pure ZnO nanoparticles calcined at 450 °C, 600 °C and 750 °C.

Fig. 2

XRD patterns of Zn0.97Fe0.03O nanoparticles calcined at 450 °C, 600 °C and 750 °C.
XRD patterns of Zn0.97Fe0.03O nanoparticles calcined at 450 °C, 600 °C and 750 °C.

Fig. 3

SEM images of pure ZnO nanoparticles calcined at (a) 450 °C, (b) 600 °C and (c) 750 °C.
SEM images of pure ZnO nanoparticles calcined at (a) 450 °C, (b) 600 °C and (c) 750 °C.

Fig. 4

SEM images of Fe-doped ZnO nanoparticles calcined (a) 450 °C, (b) 600 °C and (c) 750 °C.
SEM images of Fe-doped ZnO nanoparticles calcined (a) 450 °C, (b) 600 °C and (c) 750 °C.

Fig. 5

X-ray energy dispersive spectrometry (EDS) spectra of (a-c) pure ZnO sample calcined at 450 °C, 600 °C and 750 °C and (d) Zn0.97Fe0.03O sample calcined at 600 °C.
X-ray energy dispersive spectrometry (EDS) spectra of (a-c) pure ZnO sample calcined at 450 °C, 600 °C and 750 °C and (d) Zn0.97Fe0.03O sample calcined at 600 °C.

Fig. 6

UV-Vis absorption spectra of (a) pure ZnO (b) Zn0.97Fe0.03O nanoparticles calcined at 450 °C, 600 °C and 750 °C.
UV-Vis absorption spectra of (a) pure ZnO (b) Zn0.97Fe0.03O nanoparticles calcined at 450 °C, 600 °C and 750 °C.

Fig. 7

Room temperature M-H curve of Zn0.97Fe0.03O nanoparticles calcined at (a) 450 °C, (b) 600 °C and 750 °C calcination temperature.
Room temperature M-H curve of Zn0.97Fe0.03O nanoparticles calcined at (a) 450 °C, (b) 600 °C and 750 °C calcination temperature.

Lattice parameters of Zn0.97Fe0.03O nanoparticles calcined at 450 °C, 600 °C and 750 °C.

Calcination temperature [°C]Crystallite size D [nm]d101[λ]Lattice constant
a [Å]c [Å]
45029 nm2.48873.2485.305
60032 nm2.48613.2455.300
75038 nm2.48343.2415.294

EDAX data of pure ZnO nanoparticles.

Calcination temperature [°C]Zn [%]O [%]
45092.017.99
60091.698.31
75091.518.49

Optical parameters of pure ZnO nanoparticles calcined at 450 °C, 600 °C and 750 °C.

Calcination temperature [°C]Absorption wavelength λ [nm]Band gap energy (Eg = hc/λ) [eV]
4503883.20
6003923.17
7503983.12

Magnetic properties of Zn0.97Fe0.03O nanoparticles.

Zn0:97Fe0:03O [°C]Coercivity Hc (Oe)Remanent magnetization Mr [emu/g] Magnetization saturation Ms [emu/g]
45015 Oe3.05 × 10–40.234
60042 Oe3.75 × 10–40.027
750363 Oe16.9 × 10–40.006

Lattice parameters of pure ZnO nanoparticles calcined at 450 °C, 600 °C and 750 °C.

Calcination temperature [°C]Crystallite size D [nm]d101 [λ]Lattice constant
a [Å] c [Å]
45031 nm2.48743.2475.303
60033 nm2.48543.2445.299
75042 nm2.48813.2485.304

Optical parameters of Zn0.97Fe0.03O nanoparticles calcined at 450 °C, 600 °C and 750 °C.

Calcination temperature [°C]Absorption wavelength λ [nm]Band gap energy (Eg = hv/λ) [eV]
4503843.23
6003893.19
7503953.15
eISSN:
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Langue:
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Materials Sciences, other, Nanomaterials, Functional and Smart Materials, Materials Characterization and Properties
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