Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 913, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2022.165164
Keywords
Spinel Oxide; RGO; Composite; Photocatalysis
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Funding
- Taif University Researchers Supporting Project, Taif University, Saudi Arabia [TURSP-2020/135]
- Taif University, Saudi Arabia
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In this study, Silver doped Zinc Cobaltite (AgZnCo2O4, AgZCO) nanoparticles were synthesized using a solvent-free strategy and integrated with reduced graphene oxide (rGO) sheets to form the AgZCO@rGO composite. The structural and morphological properties of the prepared samples were analyzed using various physio-chemical techniques. The photocatalytic experiments showed that AgZCO@rGO had a higher degradation efficiency than ZCO and AgZCO catalysts.
In the current report, Silver doped Zinc Cobaltite (AgZnCo2O4, AgZCO) nanoparticles have been synthesized through a solvent-free strategy. Synthesized AgZCO nanoparticles were integrated with the reduced graphene oxide (rGO) sheets to prepare the AgZCO@rGO composite. Structural and morphological properties of ZCO, AgZCO, and AgZCO@rGO were studied by various physio-chemical techniques. X-rays diffraction (XRD) analysis showed that all prepared samples possess face-centered cubic crystal structures with crystallite sizes of 5.79 nm, 5.27 nm, and 5.16 nm for ZCO, AgZCO, and AgZCO@rGO, respectively. Scanning electron microscope (SEM) analysis displayed that small spherical nanoparticles of AgZCO were wrapped inside rGO, along with some of the particles present on the surface of rGO sheets. FT-IR characterization showed the presence of all necessary vibrational modes. The results of the photocatalytic experiment showed that 41.97%, 58.02%, and 75.30% MB dye was degraded by the ZCO, AgZCO, and AgZCO@rGO respectively. 65.06% methyl orange dye was degraded by the AgZCO@rGO and it showed the highest percentage degradation with a higher kinetic rate than ZCO and AgZCO catalysts.
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