Abstract
Semiconducting two-dimensional (2D) materials such as phosphorene have shown enhanced photocatalytic performances due to their unique properties including their thickness and specific surface area. The newly 2D hybrid materials can improve the interfacial charge transfer and spatial separation of the photogenerated charge carriers and thus improve their photocatalytic performance. In this work, hybrid phosphorene/MoS2 samples were prepared by mixing the exfoliated phosphorene and MoS2 using ultrasonic bath within 1 h. The Photoluminescence (PL) measurements showed that the energy band gap of phosphorene/MoS2 hybrid was increased compared to the hybrid components. Also, the Raman peaks of the hybrid were displaced compared to that of the hybrid components. Phosphorene/MoS2 hybrid was used for decomposition of Congo red, Methylene blue and Methyl orange dyes under UV irradiation. A very low concentrations of our hybrids (0.58 mg/l) was found to have a very high photocatalytic performance which was much better than some materials that had been used as good photocatalyst previously.
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