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| Content Provider | IET Digital Library |
|---|---|
| Author | Tong, Fan Zhao, Ye Wang, Mao Hua |
| Abstract | The orthorhombic structure of Lanthanum orthoferrite (LaFeO3) was synthesised by a facile hydrothermal method. The hydrothermal reaction time and potassium hydroxide (KOH) concentration play an important role in the formation of LaFeO3 microcubes. The obtained samples were characterised by several analysis techniques such as X-ray diffraction, scanning electron microscope, ultraviolet–visible (UV–vis) absorption spectroscopy, and photoluminescence (PL) emission spectroscopy for identifying their structural and optical characteristics. On the basis of experimental results, it can be concluded that the obtained samples have been structurally characterised which confirms the orthorhombic LaFeO3 structure. Meanwhile, the results depict that highly pure and monodisperse LaFeO3 microcubes are successfully obtained when synthesised at the alkaline source of 4.5 g KOH and maintained at 240°C for 16 h, which have an average diameter of ∼7 μm. The subsequent plausible formation mechanism of the LaFeO3 microstructure has been explained on the basis of the Ostwald ripening process. Subsequently, the optical properties of the prepared sample were investigated and optimised, and the UV–vis data showed that the microstructure was a visible light absorbing semiconductor with a narrow bandgap. In addition, PL spectra indicate that the LaFeO3 microcubes synthesised by this technique can be considered as a photocatalytic material. |
| Starting Page | 259 |
| Ending Page | 262 |
| Page Count | 4 |
| Volume Number | 14 |
| e-ISSN | 17500443 |
| Issue Number | Issue 3, Mar (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/mnl/14/3 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/mnl.2018.5366 |
| Journal | Micro & Nano Letters |
| Publisher Date | 2019-03-06 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Alkaline Source Crystal Growth Crystal Growth from Solution Crystal Microstructure Crystal Structure Crystal Structure of Specific Inorganic Compounds Cube-like Microstructures Facile Hydrothermal Method Hydrothermal Reaction Time Inorganic SemiConductor And Insulator LaFeO3 Lanthanum Compound Luminescent Material Microfabrication Microstructure Monodisperse Microcubes Narrow Band Gap SemiConductor Narrow Bandgap Semiconductor Optical Property Orthorhombic Structure Ostwald Ripening Process Oxide And Ferrite SemiConductor Photocatalytic Material Photoluminescence Photoluminescence Emission Spectroscopy Photoluminescence in Other Inorganic Material Potassium Hydroxide Concentration Scanning Electron Microscopy Semiconductor Growth Structural Characteristic Subsequent Plausible Formation Mechanism Temperature 240.0 DegC Time 16.0 Hour Transmission Electron Microscopy Ultraviolet Spectra Ultraviolet-visible Absorption Spectroscopy Visible And Ultraviolet Spectra of Other Nonmetals Visible Light Absorbing Semiconductor Visible Spectra X-Ray Diffraction |
| Content Type | Text |
| Resource Type | Article |
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