MoS2-gC3N4 encapsulated in nitrogen-doped graphene oxide: an efficient visible light photocatalyst for removal of Cr (VI) from aqueous solution and mineralization of organic contaminant

In response to the pressing environmental challenges posed by industrial wastewater laden with chromium (Cr) and neonicotinoid insecticides such as thiamethoxam (THM), this study embarks on a rigorous exploration of advanced photocatalytic methodologies. With a focus on mitigating the adverse impacts of Cr (VI) and THM, notorious for their deleterious effects on ecosystems and human health, the research endeavours to harness the synergistic potential of cutting-edge materials. Through meticulous synthesis and characterization, nitrogen-doped graphene oxide encapsulated MoS2-gC3N4 emerges as a pivotal component in our novel photocatalytic system. This innovative composite exhibits exceptional visible light photocatalytic efficacy, demonstrating remarkable proficiency in pharmaceutical mineralization and Cr (VI) reduction in aqueous environments. By elucidating intricate mechanisms and optimizing operational parameters, this study contributes substantively to environmental remediation while emphasizing the importance of advanced materials and techniques in addressing contemporary challenges.