Green and eco-friendly synthesis of cobalt-oxide nanoparticle: Characterization and photo-catalytic activity |
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| Authors: | Ismat Bibi Nosheen Nazar Munawar Iqbal Shagufta Kamal Haq Nawaz Shazia Nouren Yursa Safa Kashif Jilani Misbah Sultan Sadia Ata Fariha Rehman Mazhar Abbas |
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| Affiliation: | 1. Department of Chemistry, The Islamia University of Bahawalpur, Pakistan;2. Department of Chemistry, The University of Lahore, Lahore, Pakistan;3. Department of Applied Chemistry and Biochemistry, GCU, Faisalabad, Pakistan;4. Department of Biochemistry, University of Agriculture Faisalabad, Pakistan;5. Department of Chemistry, Women University of Azad Jammu and Kashmir, Bagh, Pakistan;6. Department of Chemistry, Lahore College for Women University Lahore, LCWU, Pakistan;7. Institute of Chemistry, University of the Punjab Lahore, Pakistan;8. Department of Management Sciences, COMSATS Institute of Information Technology, Lahore, Pakistan;9. Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore, Pakistan |
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| Abstract: | Cobalt-oxide nanoparticles (NPs) were fabricated using Punica granatum peel extract from cobalt nitrate hexahydrate at low temperature. The synthesized cobalt-oxide NPs were characterized using X-ray powder diffraction, scanning electron microscopy, energy-dispersive X-ray, atomic force microscopy, fourier transform infrared spectroscopy and UV-visible techniques. The cobalt-oxide NPs were in highly uniform shape and size was in the size of 40–80 nm. Photo-catalytic activity (PCA) of the synthesized NPs was evaluated by degrading Remazol Brilliant Orange 3R (RBO 3R) dye and a degradation of 78.45% was achieved (dye conc. 150 mg/L) using 0.5 g cobalt-oxide NPs for 50 min irradiation time. In view of eco-benign and cost-effective nature, the present investigation revealed that P. granatum could be used for the synthesis of cobalt-oxide NPs for photo-catalytic applications. |
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| Keywords: | Biosynthesis Cobalt oxide nanoparticles Photo-catalytic activity |
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