Abstract
Nearly monodisperse, well crystalline, superparamagnetic CoFe2O4 nanoparticles with diameter of 6 nm were synthesized in oleic acid–water–pentanol system at 180 °C. Hydrothermal procedure, as an efficient and environment friendly alternative to organic decomposition methods, was investigated by variation of reaction conditions, and the particle formation mechanism was finally proposed (i.e., hydrolysis of metal oleates in organic phase, with size of the particles (5–8 nm) controlled by polarity-driven precipitation into water phase). As-prepared particles were hydrophobic due to coating by oleic acid. Further modification with dimercaptosuccinic acid led to water-dispersible particles with hydrodynamic diameter of 20 nm. Prepared particles were investigated by TEM, XRD, ICP-AES, light scattering, SQUID magnetometry, and Mössbauer spectroscopy.
Similar content being viewed by others
References
Bao N, Shen L, An W, Padhan P, Turner CH, Gupta A (2009) Formation mechanism and shape control of monodisperse magnetic CoFe2O4 nanocrystals. Chem Mater 21(14):3458–3468. doi:10.1021/cm901033m
Blaskov V, Petkov V, Rusanov V, Martinez L, Martinez B, Munoz J, Mikhov M (1996) Magnetic properties of nanophase CoFe2O4 particles. J Magn Magn Mater 162(2–3):331–337
Bouhas A, Amzal M, Zouranen B (1993) Mossbauer study of the calcium substituted cobalt ferrite. Mater Chem Phys 33(1–2):80–84
Bozorth R, Tilden E, Williams A (1955) Anisotropy and magnetostriction of some ferrites. Phys Rev 99(6):1788–1798
Cannas C, Musinu A, Ardu A, Orru F, Peddis D, Casu M, Sanna R, Angius F, Diaz G, Piccaluga G (2010) CoFe2O4 and CoFe2O4/SiO2 core/shell nanoparticles: magnetic and spectroscopic study. Chem Mater 22(11):3353–3361. doi:10.1021/cm903837g
Cao SW, Zhu YJ, Chang J (2008) Fe3O4 polyhedral nanoparticles with a high magnetization synthesized in mixed solvent ethylene glycol-water system. New J Chem 32(9):1526–1530. doi:10.1039/b719436f
Ge J, Xu S, Zhuang J, Wang X, Peng Q, Li Y (2006) Synthesis of CdSe, ZnSe, and Zn x Cd1-x Se nanocrystals and their silica sheathed core/shell structures. Inorg Chem 45(13):4922–4927. doi:10.1021/ic051598k
Goodwin S, Peterson C, Hoh C, Bittner C (1999) Targeting and retention of magnetic targeted carriers (mtcs) enhancing intra-arterial chemotherapy. J Magn Magn Mater 194(1–3):132–139
Gu Z, Xiang X, Fan G, Li F (2008) Facile synthesis and characterization of cobalt ferrite nanocrystals via a simple reduction-oxidation route. J Phys Chem C 112(47):18459–18466. doi:10.1021/jp806682q
Gyergyek S, Makovec D, Kodre A, Arcon I, Jagodic M, Drofenik M (2010) Influence of synthesis method on structural and magnetic properties of cobalt ferrite nanoparticles. J Nanopart Res 12(4):1263–1273. doi:10.1007/s11051-009-9833-5
Hanh N, Quy O, Thuy N, Tung L, Spinu L (2003) Synthesis of cobalt ferrite nanocrystallites by the forced hydrolysis method and investigation of their magnetic properties. Physica B 327(2–4):382–384
Hu H, Chen Z, Cao T, Zhang Q, Yu M, Li F, Yi T, Huang C (2008) Hydrothermal synthesis of hexagonal lanthanide-doped LaF3 nanoplates with bright upconversion luminescence. Nanotechnology 19(37):375702-1–375702-9. doi:10.1088/0957-4484/19/37/375702
Jun Y, Huh Y, Choi J, Lee J, Song H, Kim S, Yoon S, Kim K, Shin J, Suh J, Cheon J (2005) Nanoscale size effect of magnetic nanocrystals and their utilization for cancer diagnosis via magnetic resonance imaging. J Am Chem Soc 127(16):5732–5733. doi:10.1021/ja0422155
Lee DC, Mikulec FV, Pelaez JM, Koo B, Korgel BA (2006) Synthesis and magnetic properties of silica-coated FePt nanocrystals. J Phys Chem B 110(23):11160–11166. doi:10.1021/jp060974z
Li XH, Xu CL, Han XH, Qiao L, Wang T, Li FS (2010) Synthesis and magnetic properties of nearly monodisperse CoFe2O4 nanoparticles through a simple hydrothermal condition. Nanoscale Res Lett 5(6):1039–1044. doi:10.1007/s11671-010-9599-9
Liang X, Wang X, Zhuang J, Chen Y, Wang D, Li Y (2006) Synthesis of nearly monodisperse iron oxide and oxyhydroxide nanocrystals. Adv Funct Mater 16(14):1805–1813. doi:10.1002/adfm.200500884
Liu C, Zou B, Rondinone A, Zhang J (2000) Chemical control of superparamagnetic properties of magnesium and cobalt spinel ferrite nanoparticles through atomic level magnetic couplings. J Am Chem Soc 122(26):6263–6267. doi:10.1021/ja000784g
Lu J, Deng H, Huang H (2000) Thermal relaxation of interacting fine magnetic particles - field-cooled and zero-field-cooled magnetization variation. J Magn Magn Mater 209(1–3):37–41
Pankhurst Q, Pollard R (1991) Origin of the spin-canting anomaly in small ferrimagnetic particles. Phys Rev Lett 67(2):248–250
Philipse A, Vanbruggen M, Pathmamanoharan C (1994) Magnetic silica dispersions—preparation and stability of surface-modified silica particles with a magnetic core. Langmuir 10(1):92–99
Roca AG, Niznansky D, Poltierova-Vejpravova J, Bittova B, Gonzalez-Fernandez MA, Serna CJ, Morales MP (2009) Magnetite nanoparticles with no surface spin canting. J Appl Phys 105(11):114309. doi:10.1063/1.3133228
Roca AG, Veintemillas-Verdaguer S, Port M, Robic C, Serna CJ, Morales MP (2009) Effect of nanoparticle and aggregate size on the relaxometric properties of MR contrast agents based on high quality magnetite nanoparticles. J Phys Chem B 113(19):7033–7039. doi:10.1021/jp807820s
Sincai M, Ganga D, Bica D, Vekas L (2001) The antitumor effect of locoregional magnetic cobalt ferrite in dog mammary adenocarcinoma. J Magn Magn Mater 225(1–2):235–240
Sugimoto M (1999) The past, present, and future of ferrites. J Am Ceram Soc 82(2):269–280
Sun S, Zeng H, Robinson D, Raoux S, Rice P, Wang S, Li G (2004) Monodisperse MFe2O4 (M = Fe, Co, Mn) nanoparticles. J Am Chem Soc 126(1):273–279. doi:10.1021/ja0380852
Taniguchi T, Nakagawa K, Watanabe T, Matsushita N, Yoshimura M (2009) Hydrothermal growth of fatty acid stabilized iron oxide nanocrystals. J Phys Chem C 113(3):839–843. doi:10.1021/jp8062433
Tartaj P, Morales M, Veintemillas-Verdaguer S, Gonzalez-Carreno T, Serna C (2003) The preparation of magnetic nanoparticles for applications in biomedicine. J Phys D Appl Phys 36(13):R182–R197
Torres T, Roca A, Morales M, Ibarra A, Marquina C, Ibarra M, Goya G (2010) Magnetic properties and energy absorption of CoFe2O4 nanoparticles for magnetic hyperthermia. J Phys: Conf Ser 200(7):072101. doi:10.1088/1742-6596/200/7/072101
Wang L, Li Y (2007) Controlled synthesis and luminescence of lanthanide doped NaYF4 nanocrystals. Chem Mater 19(4):727–734. doi:10.1021/cm061887m
Wang X, Zhuang J, Peng Q, Li Y (2005) A general strategy for nanocrystal synthesis. Nature 437(7055):121–124. doi:10.1038/nature03968
Zhang F, Li J, Shan J, Xu L, Zhao D (2009) Shape, size, and phase-controlled rare-earth fluoride nanocrystals with optical up-conversion properties. Chem-Eur J 15(41):11010–11019. doi:10.1002/chem.200900861
Acknowledgments
This study was supported by the Grant Agency of the Czech Republic under project no. P108/10/1250 and by the Long-Term Research Plan of the Ministry of Education of the Czech Republic (MSM0021620857). A. Repko thanks to M. P. Morales and C. Serna from Instituto de Ciencia de Materiales de Madrid, CSIC, Spain for their help with characterization of the samples and fruitful discussions during his stay in Madrid.
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Repko, A., Nižňanský, D. & Poltierová-Vejpravová, J. A study of oleic acid-based hydrothermal preparation of CoFe2O4 nanoparticles. J Nanopart Res 13, 5021 (2011). https://doi.org/10.1007/s11051-011-0483-z
Received:
Accepted:
Published:
DOI: https://doi.org/10.1007/s11051-011-0483-z