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Solvothermal synthesis and characterization of magnetic Fe3O4 nanoparticle by different sodium salt sources Cover

Solvothermal synthesis and characterization of magnetic Fe3O4 nanoparticle by different sodium salt sources

Open Access
|Feb 2017

Figures & Tables

XRF patterns of magnetite Fe3O4 nanoparticles synthesized by different sodium salts (a) Na2CO3, (b) NaAc, (c) NaAc-CIT and (d) NaAc-oxallat.
XRF patterns of magnetite Fe3O4 nanoparticles synthesized by different sodium salts (a) Na2CO3, (b) NaAc, (c) NaAc-CIT and (d) NaAc-oxallat.
Powder X-ray diffraction (XRD) patterns of magnetite Fe3O4 nanoparticles: (a) NaAc as sodium salt, (b) Na2CO3 which shows the lowest average crystallite size, (c) NaAc-Cit and (d) NaAc-oxallat. The red bars represent the standard pattern of Fe3O4 (PDF Card No. 19-0629).
Powder X-ray diffraction (XRD) patterns of magnetite Fe3O4 nanoparticles: (a) NaAc as sodium salt, (b) Na2CO3 which shows the lowest average crystallite size, (c) NaAc-Cit and (d) NaAc-oxallat. The red bars represent the standard pattern of Fe3O4 (PDF Card No. 19-0629).
SEM images of the synthesized magnetic Fe3O4 particles: (a) NaAc, (b) Na2CO3, (c) NaAc-CIT, and (d) NaAc-oxallat.
SEM images of the synthesized magnetic Fe3O4 particles: (a) NaAc, (b) Na2CO3, (c) NaAc-CIT, and (d) NaAc-oxallat.
FT-IR spectra of magnetite Fe3O4 nanoparticles: (a) NaAc sodium salts, (b) Na2CO3, (c) NaAc-Cit, (d) NaAc-oxallat.
FT-IR spectra of magnetite Fe3O4 nanoparticles: (a) NaAc sodium salts, (b) Na2CO3, (c) NaAc-Cit, (d) NaAc-oxallat.
(a) Effect of solution pH on uranium adsorption efficiency by different magnetite Fe3O4 nanoparticles, and (b) photographs of Fe3O4 dispersion and magnetic separation.
(a) Effect of solution pH on uranium adsorption efficiency by different magnetite Fe3O4 nanoparticles, and (b) photographs of Fe3O4 dispersion and magnetic separation.
(a) Adsorption percentages, (b) Freundlich and (c) Langmuir isotherms for the adsorption of uranium ions onto magnetite Fe3O4 nanoparticles synthesized based on the Na2CO3 as the selected sodium salt.
(a) Adsorption percentages, (b) Freundlich and (c) Langmuir isotherms for the adsorption of uranium ions onto magnetite Fe3O4 nanoparticles synthesized based on the Na2CO3 as the selected sodium salt.

Crystallite size values of magnetite Fe3O4 nanoparticles synthesized by different sodium salts for different peaks_

Dh k l = Calculated crystallize size [nm]

h k lSample 1Sample 2Sample 3Sample 4
FWHMDh k lFWHMDh k lFWHMDh k lFWHMDh k l
(1 1 1)18.340.1846.7217.520.302817.350.3027.9918.410.1846.72
(2 2 0)30.150.1271.6430.360.2435.8430.190.2435.8230.180.1271.65
(3 1 1)35.500.1848.4235.600.3029.0635.610.3029.6135.550.1848.43
(4 0 0)43.130.1849.5943.320.3029.7743.200.3029.7643.190.3029.76
(4 2 2)53.490.1851.6453.680.1851.6753.520.1851.6453.520.3030.99
(5 1 1)56.990.1278.757.270.2439.4057.240.2439.4057.060.1278.73
(4 4 0)62.570.1280.9362.860.2440.5362.900.2440.5462.650.2440.48
(6 2 0)70.970.1856.6371.390.3034.0671.180.1285.0571.030.1856.65
(6 2 2)74.030.2443.3174.330.2443.3974.560.2443.4674.080.1286.64
DOI: https://doi.org/10.1515/msp-2017-0004 | Journal eISSN: 2083-134X | Journal ISSN: 2083-1331
Language: English
Page range: 50 - 57
Submitted on: Apr 10, 2016
Accepted on: Nov 18, 2016
Published on: Feb 24, 2017
Published by: Wroclaw University of Science and Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2017 M. Jamshidiyan, A.S. Shirani, Gh. Alahyarizadeh, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.