Synthesis of iron-doped TiO2 for degradation of reactive Orange16
| Autor: | Rasoul Talebi, Mohammad Hossein Rostami, Mojtaba Safari, Mitra Dadvar, Manouchehr Nikazar |
|---|---|
| Jazyk: | angličtina |
| Předmět: |
Iron-Doped TiO2 nanoparticle
Anatase Environmental Engineering Chemistry Scanning electron microscope Health Toxicology and Mutagenesis Public Health Environmental and Occupational Health Sintering Nanotechnology Sol–gel impregnation Pollution Applied Microbiology and Biotechnology Crystal Specific surface area Photocatalysis Taguchi method Irradiation Photocatalytic degradation Waste Management and Disposal Research Article Water Science and Technology Nuclear chemistry BET theory |
| Zdroj: | Journal of Environmental Health Science and Engineering |
| ISSN: | 2052-336X |
| DOI: | 10.1186/2052-336x-12-19 |
| Popis: | In this study the optimum conditions for preparing the iron-doped TiO2 nanoparticles were investigated. Samples were synthesized by sol–gel impregnation method. Three effective parameters were optimized using Taguchi method, consisted of: (i) atomic ratios of Fe to Ti; (ii) sintering temperature; (iii) sintering time. The characterization of samples was determined using X-ray diffraction, BET- specific surface area, UV- Vis reflectance spectra (DRS) and scanning electron microscope (SEM). The XRD patterns of the samples indicated the existence of anatase crystal phase in structure. UV- Vis reflectance spectra showed an enhancement in light absorbance in the visible region (wavelength > 400 nm) for iron-doped samples. The photocatalytic activity of samples was investigated by the degradation of RO 16 (RO 16) dye under UV irradiation. The results illustrated that the photocatalytic activity of iron-doped TiO2 was more than pure TiO2, because of the smaller crystal size, grater BET surface area and higher light absorption ability. |
| Databáze: | OpenAIRE |
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