Photocatalytic degradation of organic dyes using reduced graphene oxide (rGO).

Autor: Shabil Sha M; Center for Advanced Materials, Qatar University, PO Box 2713, Doha, Qatar., Anwar H; Center for Advanced Materials, Qatar University, PO Box 2713, Doha, Qatar., Musthafa FN; Center for Advanced Materials, Qatar University, PO Box 2713, Doha, Qatar., Al-Lohedan H; Chemistry Department, College of Science, King Saud University, P.O. Box. 2455, Riyadh, 11451, Kingdom of Saudi Arabia., Alfarwati S; Center for Advanced Materials, Qatar University, PO Box 2713, Doha, Qatar., Rajabathar JR; Chemistry Department, College of Science, King Saud University, P.O. Box. 2455, Riyadh, 11451, Kingdom of Saudi Arabia. Jrajabathar@KSU.EDU.SA., Khalid Alahmad J; Center for Advanced Materials, Qatar University, PO Box 2713, Doha, Qatar., Cabibihan JJ; Department of Mechanical and Industrial Engineering, College of Engineering, Qatar University, P.O. Box. 2713, Doha, Qatar., Karnan M; Grassland and Forage Division, National Institute of Animal Science, Rural Development Administration, Wanju, South Korea., Kumar Sadasivuni K; Center for Advanced Materials, Qatar University, PO Box 2713, Doha, Qatar. kishor_kumars@yahoo.com.; Department of Mechanical and Industrial Engineering, College of Engineering, Qatar University, P.O. Box. 2713, Doha, Qatar. kishor_kumars@yahoo.com.
Jazyk: angličtina
Zdroj: Scientific reports [Sci Rep] 2024 Feb 13; Vol. 14 (1), pp. 3608. Date of Electronic Publication: 2024 Feb 13.
DOI: 10.1038/s41598-024-53626-8
Abstrakt: Photocatalysts have developed into a successful strategy for degrading synthetic and organic toxins, such as chemicals and dyes, in wastewater. In this study, graphene oxide was reduced at different temperatures and used for degrading indigo carmine and neutral red dyes. The wide surface areas, strong adsorption sites, and oxygen functionalities of reduced graphene oxide (rGO) at 250 °C (rGO-250) produced more photocatalytic degradation efficiency and adsorption percentage. The catalyst dosage, initial dye concentration, solution pH and recyclability were all used to optimize the photocatalytic activity of rGO-250. This research presents a capable nano-adsorbent photocatalyst for the efficient degradation of organic dyes. GO and rGOs were also investigated for carbon dioxide (CO 2 ) absorption properties. Results showed that rGO-250 has better CO 2 adsorption properties than other rGOs. Overall, it was observed that rGO-250 has better photocatalytic and CO 2 adsorption capabilities compared to graphene oxide reduced at different temperatures.
(© 2024. The Author(s).)
Databáze: MEDLINE
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