Article ; Online: Photodegradation of Carbol Fuchsin Dye Using an Fe 2−x Cu x Zr 2−x W x O 7 Photocatalyst under Visible-Light Irradiation
Catalysts, Vol 11, Iss 1473, p
2021 Volume 1473
Abstract: Fe 2−x Cu x Zr 2−x W x O 7 (x: 0, 0.05, 0.015) nanoparticles were synthesized following the Pechini method and characterized via X-ray diffraction (XRD), transmission electron microscopy (TEM), and diffuse reflectance spectroscopy (DRS) measurements to ... ...
| Abstract | Fe 2−x Cu x Zr 2−x W x O 7 (x: 0, 0.05, 0.015) nanoparticles were synthesized following the Pechini method and characterized via X-ray diffraction (XRD), transmission electron microscopy (TEM), and diffuse reflectance spectroscopy (DRS) measurements to be used as photocatalysts in colored water remediation. All of the prepared materials were crystallized in a cubic fluorite phase as the major phase. The band gap was reduced upon doping with W 6+ and Cu 2+ from 1.96 eV to 1.47 eV for Fe 1.85 Cu 0 . 15 Zr 1.85 W 0.15 O 7 . Carbol fuchsin (CF) dye was used to determine the photocatalytic degradation efficiency of the prepared catalysts. Degradation efficiency was directly proportional to the dopant’s concentration. Complete removal of 20 mg/L CF was achieved under optimal conditions (pH 9, and catalyst loading of 1.5 g/L) using Fe 1.85 Cu 0.15 Zr 1.85 W 0.15 O 7 . The degradation rate followed pseudo-first-order kinetics. The reusability for photocatalysts was tested five times, decreasing its efficiency by 4% after the fifth cycle, which indicates that the prepared Fe 1.85 Cu 0.15 Zr 1.85 W 0.15 O 7 photocatalyst is a promising novel photocatalyst due to its superior efficiency in dye photodegradation. |
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| Keywords | photodegradation ; carbol fuchsin ; photocatalysts ; Chemical technology ; TP1-1185 ; Chemistry ; QD1-999 |
| Subject code | 290 ; 669 |
| Language | English |
| Publishing date | 2021-12-01T00:00:00Z |
| Publisher | MDPI AG |
| Document type | Article ; Online |
| Database | BASE - Bielefeld Academic Search Engine (life sciences selection) |
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