Synthesis of nano cobalt ferrite by using starch-assisted hydrothermal method
PDF (Vietnamese)

Keywords

cobalt ferrite
carbon hóa
phẩm màu cobalt ferrite
starch
methylene blue

How to Cite

1.
Võ CNA, Nguyễn TTU, Nguyễn TS, Trần TVH, Nguyễn NUT, Trần NT, Lê TH. Synthesis of nano cobalt ferrite by using starch-assisted hydrothermal method. hueuni-jns [Internet]. 2025Mar.19 [cited 2025Apr.26];134(1A):135-42. Available from: http://222.255.146.83/index.php/hujos-ns/article/view/7418

Abstract

In this article, a synthesis of cobalt ferrite/carbonized starch from nitrate salt and starch precursors by using the hydrothermal method at different temperatures is presented. The products were characterized by using X-ray diffraction, transmission electron microscopy, vibrating sample magnetometer, nitrogen adsorption/desorption isotherms, and thermal analysis. The results show that the obtained material has a large specific surface area (85.2 m2/g) and nano-sized particles with diameters of about 10–15 nm. Cobalt ferrite, with superparamagnetic properties and high magnetic saturation, has catalytic photodegradation activity and decomposes methylene blue. This material can be recovered when placed in a magnetic field. These results open up the possibility of applying nano cobalt ferrite in environmental treatment.

https://doi.org/10.26459/hueunijns.v134i1A.7418
PDF (Vietnamese)

References

  1. Astruc D. Introduction: Nanoparticles in Catalysis. Chem Rev. 2020;120(2):461-463.
  2. Chen G, Qiu H, Prasad PN, Chen X. Upconversion Nanoparticles: Design, Nanochemistry, and Applications in Theranostics. Chem Rev. 2014;114(10):5161-5214.
  3. Skomski R. Nanomagnetics. J Phys Condens Matter. 2003;15(20):R841-R896.
  4. Cheng F, Peng Z, Liao C, Xu Z, Gao S, Yan C, et al. Chemical synthesis and magnetic study of nanocrystalline thin films of cobalt spinel ferrites. Solid State Commun. 1998;107(9):471-476.
  5. Moumen N, Veillet P, Pileni MP. Controlled preparation of nanosize cobalt ferrite magnetic particles. J Magn Magn Mater. 1995;149(1-2):67-71.
  6. Ngo AT, Bonville P, Pileni MP. Nanoparticles of: Synthesis and superparamagnetic properties. Eur Phys J B. 1999;9(4):583-592.
  7. Davies KJ, Wells S, Upadhyay RV, Charles SW, O'Grady K, El Hilo M, et al. The observation of multi-axial anisotropy in ultrafine cobalt ferrite particles used in magnetic fluids. J Magn Magn Mater. 1995;149(1-2):14-18.
  8. Yan CH, Xu ZG, Cheng FX, Wang ZM, Sun LD, Liao CS, et al. Nanophased CoFe2O4 prepared by combustion method. Solid State Commun. 1999;111(5):287-291.
  9. Ammar S, Helfen A, Jouini N, Fiévet F, Rosenman I, Villain F, et al. Magnetic properties of ultrafine cobalt ferrite particles synthesized by hydrolysis in a polyol medium. J Mater Chem. 2001;11(1):186-192.
  10. Kumar Y, Shirage PM. Highest coercivity and considerable saturation magnetization of CoFe2O4 nanoparticles with tunable band gap prepared by thermal decomposition approach. J Mater Sci. 2017;52(9):4840-4851.
  11. Mendelson MI. Average Grain Size in Polycrystalline Ceramics. J Am Ceram Soc. 1969;52(8):443-446.
  12. Zi Z, Sun Y, Zhu X, Yang Z, Dai J, Song W. Synthesis and magnetic properties of CoFe2O4 ferrite nanoparticles. J Magn Magn Mater. 2009;321(9):1251-1255.
  13. Cedeño-Mattei Y, Perales-Perez O, Tomar MS, Roman F, Voyles PM, Stratton WG. Tuning of magnetic properties in cobalt ferrite nanocrystals. J Appl Phys. 2008;103(7).
  14. Liu C, Rondinone AJ, Zhang ZJ. Synthesis of magnetic spinel ferrite CoFe2O4 nanoparticles from ferric salt and characterization of the size-dependent superparamagnetic properties. Pure Appl Chem. 2000;72(1-2):37-45.
  15. Naghshbandi Z, Arsalani N, Zakerhamidi MS, Geckeler KE. A novel synthesis of magnetic and photoluminescent graphene quantum dots/MFe2O4 (M = Ni, Co) nanocomposites for catalytic application. Appl Surf Sci. 2018;443:484-491.
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