Green Synthesis and Photocatalytic Dye Degradation Activity of CuO Nanoparticles

Author:

Aroob Sadia1,Carabineiro Sónia A. C.2ORCID,Taj Muhammad Babar1ORCID,Bibi Ismat1,Raheel Ahmad3,Javed Tariq4,Yahya Rana5,Alelwani Walla6,Verpoort Francis7ORCID,Kamwilaisak Khanita8,Al-Farraj Saleh9,Sillanpää Mika1011ORCID

Affiliation:

1. Institute of Chemistry, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan

2. LAQV-REQUIMTE, Department of Chemistry, NOVA School of Science and Technology, Universidade NOVA de Lisboa, 2829-516 Caparica, Portugal

3. Department of Chemistry, Quaid-e-Azam University, Islamabad 44000, Pakistan

4. Department of Chemistry, University of Sahiwal, Sahiwal 57000, Pakistan

5. Department of Chemistry, College of Science, University of Jeddah, Jeddah 23218, Saudi Arabia

6. Department of Biochemistry, College of Science, University of Jeddah, Jeddah 23218, Saudi Arabia

7. State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China

8. Department of Chemical Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen 40002, Thailand

9. Department of Zoology, College of Science, King Saud University, Riyadh 11362, Saudi Arabia

10. Department of Biological and Chemical Engineering, Aarhus University, Nørrebrogade 44, 8000 Aarhus C, Denmark

11. Department of Chemical Engineering, School of Mining, Metallurgy and Chemical Engineering, University of Johannesburg, P.O. Box 17011, Doornfontein 2028, South Africa

Abstract

The degradation of dyes is a difficult task due to their persistent and stable nature; therefore, developing materials with desirable properties to degrade dyes is an important area of research. In the present study, we propose a simple, one-pot mechanochemical approach to synthesize CuO nanoparticles (NPs) using the leaf extract of Seriphidium oliverianum, as a reducing and stabilizing agent. The CuO NPs were characterized via X-ray diffraction (XRD), scanning electron microscopy (SEM), photoluminescence (PL) and Fourier-transform infrared spectroscopy (FTIR). The photocatalytic activity of CuO NPs was monitored using ultraviolet-visible (UV-Vis) spectroscopy. The CuO NPs exhibited high potential for the degradation of water-soluble industrial dyes. The degradation rates for methyl green (MG) and methyl orange (MO) were 65.231% ± 0.242 and 65.078% ± 0.392, respectively. Bio-mechanochemically synthesized CuO NPs proved to be good candidates for efficiently removing dyes from water.

Funder

King Saud University, Riyadh, Saudi Arabia

FCT/MCTES

Scientific Employment Stimulus—Institutional Call

Islamia University of Bahawalpur

Publisher

MDPI AG

Subject

Physical and Theoretical Chemistry,Catalysis,General Environmental Science

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