In this study, a one-step synthesis of a TiO2@MoS2 heterostructure was successfully reported and utilized as a super-capacitor electrode material as well as a photocatalyst for the photoreduction of toxic hexavalent chromium. The TiO2@MoS2 heterostructure showed a specific capacitance of 337 F/g in an aqueous solution and effectively reduced Cr6+ to Cr3+ under direct sunlight irradiation.
In this study, we have reported a one-step synthesis of a TiO2@MoS2 heterostructure. TiO2@MoS2 was synthesized using a facile and cost-effective method. The as-synthesized TiO2@MoS2 heterostructure was characterized by suitable spectroscopic techniques. The obtained TiO2@MoS2 was utilized as a super-capacitor electrode material. Electrochemical studies show that the TiO2@MoS2 heterostructure possesses a specific capacitance of 337 F/g at a current density of 1 A/g in an aqueous solution. Furthermore, an application as a photocatalyst for the photoreduction of toxic hexavalent chromium was reported for the first time. This heterostructure showed the photoreduction of Cr6+ to Cr3+ in 120 min with formic acid as a scavenger under direct sunlight. A plausible mechanism of photoreduction of Cr6+ to Cr3+ under natural sunlight irradiation using TiO2@MoS2 is proposed.
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