journal article·2010-02

Bimodal Co0.5Zn0.5Fe2O4/PANI nanocomposites: Synthesis, formation mechanism and magnetic properties

Sanjeev Kumar, Vaishali Singh, Saroj Aggarwal, Uttam Kumar Mandal, Ravinder Kumar Kotnala

Composites Science and Technology· Volume 70· Issue 2
Publisher page

Abstract

Co0.5Zn0.5Fe2O4/PANI nanocomposites with bimodal size distribution were synthesized via reverse microemulsion method. Structural characterization was done by Fourier transform infrared spectroscopy, X-ray diffraction and transmission electron microscopy. Vibrating sample magnetometer measurement confirmed the ferromagnetic behavior of nanocomposite with saturation magnetization of 3.95 emu/g and low coercive force (39 Oe). It was observed that on nanocomposite formation with PANI nanofibers, Co0.5Zn0.5Fe2O4 ferrite nanocrystals undergo transition from being superparamagnetic to ferromagnetic. A mechanistic description of the process has also been presented in view that the process could be extended for the fabrication of other bimodal nanocomposites.
Source: openaire · Quality: candidate unverified · Source record ↗

Research context

OpenAlex topics: Conducting polymers and applications · Advancements in Battery Materials · Magnetic Properties and Synthesis of Ferrites

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References (43)

Show source-provided references
1. Trivedi · 1997 · vol. 2 · 505
2. Formation mechanism of self-assembled polyaniline micro/nanotubes10.1021/la0155799 ↗
3. Large scale, templateless, surfactantless route to rapid synthesis of uniform poly (o-phenylenediamine) nanobelts10.1039/b401777c ↗
4. A general chemical route to polyaniline nanofibers10.1021/ja0371754 ↗
5. Nanofiber formation in the chemical polymerization of aniline: a mechanistic study10.1002/anie.200460616 ↗
6. Conducting polyaniline filaments in a mesoporous channel host10.1126/science.264.5166.1757 ↗
7. Conducting polymers in electronic chemical sensors10.1038/nmat768 ↗
8. Naarmann · 1991
9. Semiconductor clusters, nanocrystals, and quantum dots10.1126/science.271.5251.933 ↗
10. Monodisperse FePt nanoparticles and ferromagnetic FePt nanocrystal superlattices10.1126/science.287.5460.1989 ↗
11. Three-dimensional binary superlattices of magnetic nanocrystals and semiconductor quantum dots10.1038/nature01702 ↗
12. Synthesis of monodisperse spherical nanocrystals10.1002/anie.200603148 ↗
13. Magnetic and conductive Fe3O4- polyaniline nanoparticles with core–shell structure10.1016/S0379-6779(03)00166-8 ↗
14. A composite of polyaniline with both conducting and ferromagnetic functions10.1002/(SICI)1099-0518(199708)35:11<2129::AID-POLA2>3.0.CO;2-T ↗
15. Nanostructures of polyaniline composites containing nano-magnet10.1016/S0379-6779(02)00447-2 ↗
16. Hybrid organic–inorganic materials – in search of synergic activity10.1002/1521-4095(200102)13:3<163::AID-ADMA163>3.0.CO;2-U ↗
17. Electrodeposition of ring-substituted polyanilines on Fe surfaces from aqueous oxalic acid solutions and corrosion protection of Fe10.1016/S0379-6779(00)00399-4 ↗
18. Synthesis of g-Fe2O3/polypyrrole nanocomposite materials10.1016/j.matlet.2004.05.055 ↗
19. New nanocomposites of polypyrrole including γ-Fe2O3 particles: electrical and magnetic characterizations10.1016/0379-6779(94)02477-G ↗
20. Preparation of a conducting polymer/ferromagnet composite film by anodic-oxidation method10.1016/S0379-6779(00)00572-5 ↗
21. Preparation and ferromagnetic properties of Ni0.5Zn0.5Fe2O4/polyaniline core-shell nanocomposites10.1002/pola.21384 ↗
22. Preparation and characterization of monodisperse magnetic poly (styrene butyl acrylate methacrylic acid) microspheres in the presence of a polar solvent10.1002/app.11483 ↗
23. Effect of ferrofluid concentration on electrical and magnetic properties of the Fe3O4/PANI nanocomposites10.1016/j.jmmm.2007.02.195 ↗
24. Evolution of microstructure and phase of Fe3O4 in system of Fe3O4 polyaniline during high-energy ball milling10.1016/j.physb.2005.06.014 ↗
25. Synthesis of Fe3O4@polyaniline core/shell microspheres with well-defined blackberry-like morphology10.1021/jp807124z ↗
26. The preparation and characterization of quadrate NiFe2O4/polyaniline nanocomposites10.1007/s10854-006-0042-z ↗
27. Structural and magnetic properties of Co1−xZnxFe2O4 nanoparticles by co-precipitation method10.1016/j.jmmm.2007.01.010 ↗
28. Magnetic characterization of nanocrystalline Ni–Zn ferrite powder prepared by the glyoxylate precursor method10.1088/0022-3727/35/23/301 ↗
29. PowderX: windows-95-based program for powder X-ray diffraction data processing10.1107/S0021889899003039 ↗
30. Aqueous/ionic liquid interfacial polymerization for preparing polyaniline nanoparticles10.1016/j.polymer.2004.03.002 ↗
31. Structural properties of emeraldine base and the role of water contents: X-ray diffraction and computer modelling study10.1016/S0379-6779(01)00477-5 ↗
32. X-ray structure of polyaniline10.1021/ma00003a022 ↗
33. Synthesis and the physical properties of MnZn ferrite and NiMnZn ferrite–polyaniline nanocomposite particles10.1039/B408165J ↗
34. Characterization of a temperature-sensitive magnetic fluid10.1103/PhysRevB.55.5585 ↗
35. Preparation of water-soluble magnetite nanocrystals through hydrothermal approach10.1016/j.jmmm.2006.05.017 ↗
36. Characterization, magnetic and transport properties of polyaniline synthesized through interfacial polymerization10.1016/j.polymer.2007.03.055 ↗
37. Synthesis of CoFe2O4 nanoparticles embedded in a silica matrix by the citrate precursor technique10.1016/j.jmmm.2005.03.051 ↗
38. Superparamagnetic relaxation in cobalt ferrite nanoparticles synthesized from hydroxide carbonate precursors
39. Interaction of fatty acid monolayers with cobalt nanoparticles10.1021/nl035139x ↗
40. The genesis of polyaniline nanotubes10.1016/j.polymer.2006.10.007 ↗
41. Polyaniline nanotubes: the conditions of formation10.1002/pi.1899 ↗
42. Miniemulsions for nanoparticle synthesis
43. Sphere-to-cylinder transition in aqueous micellar solution of a dimeric (Gemini) surfactant10.1021/jp994301a ↗