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| Content Provider | IET Digital Library |
|---|---|
| Author | Fardood, Saeid Taghavi Moradnia, Farzaneh Ramazani, Ali |
| Abstract | In this work, ZnMn2O4 spinel nanoparticles were successfully synthesised by tragacanth gel through the easy and inexpensive novel sol–gel method. This technique has many strong points such as facile, economical, non-toxic and quickness in comparison with other methods. The zinc manganite nanoparticles were characterised by X-ray powder diffraction (XRD), transmission electron microscopy, field emission scanning electron microscopy, Fourier transform infrared spectroscopy and diffuse reflectance spectroscopy. The XRD pattern confirmed the formation of spinel tetragonal structure of ZnMn2O4 nanoparticles with a crystallite size of 14 nm. The degradation of Congo red dye by synthesised nanoparticles was studied using employing UV–Vis spectroscopy. The ZnMn2O4 NPs expressed high photocatalytic activity for degradation of Congo red dye at room temperature in aqueous solution so that 96% of Congo red was degraded in 15 min. The spinel ZnMn2O4 photocatalyst provided total organic carbon removal as 45.2% in 15 min. The spinel ZnMn2O4 NPs reusability was examined by administering the degradation of Congo red dye with the spent catalyst and it was considered that the photocatalyst did not exhibit any significant reduction in its activity even after three cycles. |
| Starting Page | 986 |
| Ending Page | 991 |
| Page Count | 6 |
| Volume Number | 14 |
| e-ISSN | 17500443 |
| Issue Number | Issue 9, Aug (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/mnl/14/9 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/mnl.2019.0071 |
| Journal | Micro & Nano Letters |
| Publisher Date | 2019-08-14 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Aqueous Solution Congo Red Dye Degradation Crystallites Deposition from Liquid Phase (melts And Solutions) Diffuse Reflectance Spectroscopy Dyes Electrochemistry And Electrophoresis Field Emission Scanning Electron Microscopy Fourier Transform Infrared Spectra Fourier Transform Infrared Spectroscopy Heat And Thermomechanical Treatments Heterogeneous Catalysis at SurFace And Other Surface Reactions High Photocatalytic Activity Infrared And Raman Spectra in Inorganic Crystal Inorganic SemiConductor And Insulator Microstructure Nanofabrication Nanoparticle Nanotube And Nanostructured Material Optical Property Photocatalysts Photocatalytic Degradation Photolysis And Photodissociation by IR Scanning Electron Microscopy Sol Gel Processing Sol–gel Method Spinel NanoParticle Spinel Photocatalyst Spinel Tetragonal Structure Structure of Solid Clusters Synthesised NanoParticle Temperature 293 K to 298 K Time 15.0 Min Total Organic Carbon Removal Tragacanth Gel Transmission Electron Microscopy Ultraviolet Spectra UV And Visible Radiation UV–Vis Spectroscopy Visible And Ultraviolet Spectra of Other Nonmetals Visible Spectra X-Ray Diffraction X-Ray Powder Diffraction XRD Pattern Zinc Compound Zinc Manganite NanoParticle ZnMn2O4 |
| Content Type | Text |
| Resource Type | Article |
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