| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1332245 | Journal of Solid State Chemistry | 2013 | 4 Pages |
•Mn3O4 nanocrystals were synthesized using different solvents by a solvothermal method.•The particle size of Mn3O4 nanocrystal is found to have a strong dependency on the solvent used.•A reaction mechanism is proposed to explain the difference of particle size of Mn3O4 nanocrystals.•Magnetic properties of Mn3O4 nanocrystals with different particle size are tested and compared.
In this paper, a modified simple solvothermal method is employed to synthesize Mn3O4 nanocrystals using four different solvents: acetone, ethanol, N,N-dimethylformamide (DMF), and dimethyl sulfoxide (DMSO). Mn3O4 nanoparticles with a tetragonal hausmannite nano-structure are characterized by powder X-ray diffraction (XRD), transmission electron microscopy (TEM), high resolution transmission electron microscopy (HRTEM), Fourier transform infrared spectroscopy (FTIR), as well as superconducting quantum interference device magnetometer (SQUID). The Mn3O4 particle size is found to have a strong dependency on the solvent used. A reaction scheme is proposed to understand this dependency, suggesting that the solvent coordinating capability has a critical effect on Mn3O4 particle size. The stronger the coordinating capability of the solvent is, the smaller the Mn3O4 particle size is. In addition, magnetic properties of the nano-structured Mn3O4 are also tested and discussed.
Graphical abstractThe comparison of the particle size of Mn3O4 nanoparticles synthesized using different solvents and HRTEM image of Mn3O4 individual nanoparticle revealed its single-crystal nature.Figure optionsDownload full-size imageDownload as PowerPoint slide
