Few-Layered MoS2 Nanostructures for Highly Efficient Visible Light Photocatalysis

Author:

Li Dan1,Li Jianwei1,Han Caiqin1,Zhao Xinsheng1,Chu Haipeng2,Lei Wenyan2,Liu Xinjuan2

Affiliation:

1. Jiangsu Key Laboratory of Advanced Laser Materials and Devices, Hydrogen Energy Laboratory, Laboratory for Quantum Design of Functional Material, Jiangsu Collaborative Innovation Center of Advanced Laser Technology, School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou 221116, P. R. China

2. Institute of Coordination Bond Metrology and Engineering, College of Materials Science and Engineering, China Jiliang University, Hangzhou 310018, P. R. China

Abstract

Few-layered MoS2 nanostructures were successfully synthesized by a simple hydrothermal method without the addition of any catalysts or surfactants. Their morphology, structure and photocatalytic activity were characterized by X-ray diffraction, scanning electron microscopy, energy dispersive X-ray spectroscopy, transmission electron microscopy, electrochemical impedance spectra and UV-Vis absorption spectroscopy, respectively. These results show that the MoS2 nanostructures synthesized at 180[Formula: see text]C exhibit an optimal visible light photocatalytic activity (99%) in the degradation of Rhodamine B owing to the relatively easier adsorption of pollutants, higher visible light absorption and lower electron–hole pair recombination.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Jiangsu Province

Foundation of Xuzhou city

Publisher

World Scientific Pub Co Pte Lt

Subject

Condensed Matter Physics,General Materials Science

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