Synthesis of superparamagnetic bare Fe3O4 nanostructures and core/shell (Fe3O4/alginate) nanocomposites

被引：100
|
作者：
Srivastava, Manish [1 ,5 ]
Singh, Jay [2 ]
Yashpal, Madhu [3 ]
Gupta, Dinesh Kumar [4 ]
Mishra, R. K. [1 ]
Tripathi, Shipra [6 ]
Ojha, Animesh K. [1 ]
机构：
[1] Motilal Nehru Natl Inst Technol, Dept Phys, Allahabad 211004, Uttar Pradesh, India
[2] Natl Phys Lab, Dept Sci & Technol, Ctr Biomol Elect, Biomed Instrumentat Sect, New Delhi 110012, India
[3] Banaras Hindu Univ, Inst Med Sci, Dept Anat, Electron Microscope Facil, Varanasi 221005, Uttar Pradesh, India
[4] Motilal Nehru Natl Inst Technol, Dept Chem, Allahabad 211004, Uttar Pradesh, India
[5] DIT, Sch Engn, Dept Phys, Greater Noida 248001, India
[6] Galgotias Univ, Sch Basic & Appl Sci, Dept Chem, Gautam Budha Nagar 201306, India
来源：
CARBOHYDRATE POLYMERS | 2012年 / 89卷 / 03期
关键词：
Magnetic NPs; Composites; Biomedical; Alginate; Core-shell; DIELECTRIC-PROPERTIES; RAMAN; NANOPARTICLES; COMPOSITE; MICROSPHERES; MAGNETITE; PH;
D O I：
10.1016/j.carbpol.2012.04.016
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
In this article we report about the synthesis of superparamagnetic bare Fe3O4 nanostructures and core/shell (Fe3O4/alginate) nanocomposites by simple low-temperature based method at pH values 5. 9, and 14. The structural morphology and magnetic behavior of Fe3O4 nanostructures and core/shell (Fe3O4/alginate) nanocomposites (Fe3O4/alg NCs) have been investigated by X-ray diffractometer (XRD), Fourier transform infrared spectroscopy (FT-IR), Raman spectroscopy (RS), ultraviolet-visible (UV-vis) spectroscopy, transmission electron microscopy (TEM), energy dispersive X-ray spectroscopy (EDX) and vibrating sample magnetometer (VSM). The particle size was calculated by TEM measurements and it turns out to be similar to 10 nm and similar to 14 nm for bare Fe3O4 nanoparticle and Fe3O4/alg NCs with core/shell structure, respectively. The magnetic properties of the synthesized products were found to be function of pH at which the synthesis has been done. The synthesized Fe3O4 nanoparticle and Fe3O4/alg NCs were found to be superparmagnetic in nature at room temperature. We observed that the value of saturation magnetization in case of Fe3O4/alg NCs decreases by increasing the pH value. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：821 / 829
页数：9
相关论文
共 50 条
  • [41] Profound Interfacial Effects in CoFe2O4/Fe3O4 and Fe3O4/CoFe2O4 Core/Shell Nanoparticles
    Dmytro Polishchuk
    Natalia Nedelko
    Sergii Solopan
    Anna Ślawska-Waniewska
    Vladyslav Zamorskyi
    Alexandr Tovstolytkin
    Anatolii Belous
    Nanoscale Research Letters, 2018, 13
  • [42] Study of Structural and Magnetic Properties of Superparamagnetic Fe3O4–ZnO Core–Shell Nanoparticles
    Alireza Ahadpour Shal
    Atefeh Jafari
    Journal of Superconductivity and Novel Magnetism, 2014, 27 : 1531 - 1538
  • [43] Synthesis of γ-Fe2O3, Fe3O4 and Copper Doped Fe3O4 Nanoparticles by Sonochemical Method
    Mohanraj, Kannusamy
    Sivakumar, Ganesan
    SAINS MALAYSIANA, 2017, 46 (10): : 1935 - 1942
  • [44] Profound Interfacial Effects in CoFe2O4/Fe3O4 and Fe3O4/CoFe2O4 Core/Shell Nanoparticles
    Polishchuk, Dmytro
    Nedelko, Natalia
    Solopan, Sergii
    Slawska-Waniewska, Anna
    Zamorskyi, Vladyslav
    Tovstolytkin, Alexandr
    Belous, Anatolii
    NANOSCALE RESEARCH LETTERS, 2018, 13
  • [45] Functional modification and preparation of superparamagnetic Fe3O4
    Sun, XiaoFeng
    Li, YaJing
    BUILDING MATERIALS AND STRUCTURAL ENGINEERING II, 2013, 743 : 183 - 188
  • [46] MOSSBAUER-SPECTRA OF SUPERPARAMAGNETIC FE3O4
    ROGGWILL.P
    KUNDIG, W
    SOLID STATE COMMUNICATIONS, 1973, 12 (09) : 901 - 903
  • [47] MOSSBAUER-SPECTROSCOPY ON SUPERPARAMAGNETIC FE3O4
    ROGGWILLER, P
    KUNDIG, W
    HELVETICA PHYSICA ACTA, 1973, 46 (01): : 2 - 3
  • [48] In vitro biological evaluations of Fe3O4 compared with core-shell structures of chitosan-coated Fe3O4 and polyacrylic acid-coated Fe3O4 nanoparticles
    Lotfi, Sheida
    Bahari, Ali
    Mahjoub, Soleiman
    RESEARCH ON CHEMICAL INTERMEDIATES, 2019, 45 (06) : 3497 - 3512
  • [49] ESR studies on superparamagnetic Fe3O4 nanoparticles
    Köseoglu, Y
    Aktas, B
    SECOND SEEHEIM CONFERENCE ON MAGNETISM, PROCEEDINGS, 2004, : 3516 - 3520
  • [50] Facile synthesis of one dimensional core-shell structural Fe3O4/ZnS nanocomposites
    Liu, Er
    Zhou, Xiaochao
    Zhai, Ya
    Du, Jun
    Xu, Feng
    Zhai, Hongru
    JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS, 2018, 29 (10) : 8320 - 8326
12345