Abstract
Multilayered MoS2 coated hollow TiO2 heterostructures were fabricated by a two-step hydrothermal process using TiO2 hollow spheres as precursors. Compared with pure TiO2, the heterostructures exhibited greatly enhanced visible-light-responsive activity on photodecomposition of colorless phenol, due to the enlargement of visible light absorption and improvement separation efficiency of photogenerated electron-hole pairs. Photocatalytic activity was influenced by the MoS2/TiO2 ratio and the optimized composition was obtained with high stability during recycling.
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