Highly Efficient Visible-Light-driven S-scheme Graphene Bridged MoS2/Co3O4 Nanohybrid for the Photocatalytic Performance of Hazardous Dye and Antibacterial Activity
Chemosphere(2024)
Abstract
A novel graphene-bridged MoS2/Co3O4 (MCG) nanohybrid was well fabricated by a hydrothermal route. The purpose of valuable and economical S-scheme systems with vigorous interface interactions is pressing to photocatalytic efficiency and efficient utilization. While mighty progress has been created with respect to charge carrier bridges, the charge transferring ability of the facility charge carrier bridges is far from capable owing to lower electrical conductivity. The photocatalytic antibacterial tests were performed with visible light activity, and the results exhibited that the as-prepared MCG nanohybrid with powerful interfacial coupling presented excellent photodegradation performance in comparison with bare MoS2 and Co3O4 samples for the removal of methylene blue (MB) and E-coli with visible light irradiation. In addition, a better photocatalytic MB capability and antibacterial activity of 99.5 % and 100 % are approached through MCG-4 nanohybrid, which is 2.76 and 8.32 folds higher than that of the pristine MoS2 sample. The PL measurements and EIS analysis also illustrated that MCG-4 nanohybrid possesses a great separation efficiency of photoinduced charge carriers. This work provides a new objective for high-potential S-scheme photocatalysts and their utilization in the field of environmental remediation.
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Key words
Graphene-bridged MoS2/Co3O4 nanohybrid,Photocatalytic,Methylene blue (MB),Antibacterial activity,Clean water
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