Jeya, P. and Kungumadevi, L. and Yuvakkumar, R. and Ravi, G. and Asokan, Kandasami and Senthil, T.S. and Subin, Saju and Suresh, Sagadevan (2024) Exploring Cu doping and gamma irradiation effect on lead sulfide nanocrystallites for efficient environmental remediation of wastewater. Ceramics International, 50 (13, A). pp. 23196-23207. ISSN 0272-8842, DOI https://doi.org/10.1016/j.ceramint.2024.04.043.
Full text not available from this repository.Abstract
In this study, we investigated the influence of Cu doping and gamma irradiation on the photocatalytic activity of lead sulfide (PbS) nanoparticles for methylene blue (MB) degradation under solar light. The optical bandgap of the gamma-irradiated Pb(1-x)CuxS (where x = 0 to 0.02) was calculated between 2.29 eV - 2.72 eV, facilitating the modulation of optical bandgaps in PbS. Additional analyses incorporating photoluminescence and the Brunauer (Emmett) Teller method were used to determine optical properties, surface area, and pore distribution. The photocatalytic degradation of MB under sunlight irradiation was investigated. The photocatalytic activity was enhanced with the increasing rate of MB degradation. Notably, gamma-irradiated Pb0.99Cu0.01S exhibited a remarkable MB degradation efficiency of 73.64 %, demonstrating its stability over three consecutive cycles. This underscores its inherent stability and potential for repeated use. Overall, these findings highlight the significant potential of gamma-irradiated Cu-doped PbS nanoparticles as durable, renewable photocatalysts for efficient degradation in an aqueous media, thereby offering a promising approach for environmental remediation.
| Item Type: | Article |
|---|---|
| Funders: | UNSPECIFIED |
| Uncontrolled Keywords: | Cu doping; Gamma irradiation; PbS; Photocatalytic; Organic dye degradation |
| Subjects: | Q Science > Q Science (General) Q Science > QC Physics |
| Divisions: | Deputy Vice Chancellor (Research & Innovation) Office > Nanotechnology & Catalysis Research Centre |
| Depositing User: | Ms. Juhaida Abd Rahim |
| Date Deposited: | 18 Sep 2024 08:27 |
| Last Modified: | 18 Sep 2024 08:27 |
| URI: | http://eprints.um.edu.my/id/eprint/45132 |
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