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Morphology-controlled synthesis of TiO2/MoS2 nanocomposites with enhanced visible-light photocatalytic activity
Sun, Yuanqing; Lin, Huihui; Wang, Chuanxi; Wu, Qian; Wang, Xiaojie; Yang, Minghui
2018
发表期刊INORGANIC CHEMISTRY FRONTIERS
卷号5期号:1页码:145-152
摘要The development of photocatalysts that utilize sunlight is very important for solving the energy crisis and reducing environmental pollution. In this report, two kinds of TiO2/MoS2 cocatalyst with novel morphologies (hollow and yolk-shell structure) are prepared via a polymer assisted targeted-etching method. MoS2, as a typical two-dimensional (2D) layered transition metal sulfide, can accept electrons and provide active sites for photocatalytic reactions. Besides, with the assistance of MoS2, the absorption band of the resultant heterostructures becomes broader and covers the entire visible region. Thus the photocatalytic activity of TiO2 in the visible light region can be improved. Moreover, the hollow and yolkshell heterostructures of TiO2/MoS2 possess a high specific surface area, and the excellent interface of the heterostructures enables the easy separation of holes and electrons, which can enhance the photodegradation of dye. The results demonstrate that the as-prepared TiO2/MoS2 nanocomposites with hollow and yolk-shell structures show outstanding catalytic activity which is tested through the degradation of methylene blue and rhodamine B under visible light. Our design provides a new strategy to acquire novel photocatalysts, with various nanostructures, that have remarkable potential applications in environmental protection, e.g. water treatment and dye pollutant degradation.
关键词Hydrogen Evolution Hydrothermal Synthesis Single-layer Sensitized Tio2 Mos2 Nanosheets Exfoliated Mos2 Hollow Spheres Heterostructures Photoluminescence Shell
学科领域Chemistry
语种英语
文献类型期刊论文
条目标识符http://ir.nimte.ac.cn/handle/174433/16929
专题2018专题
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GB/T 7714
Sun, Yuanqing,Lin, Huihui,Wang, Chuanxi,et al. Morphology-controlled synthesis of TiO2/MoS2 nanocomposites with enhanced visible-light photocatalytic activity[J]. INORGANIC CHEMISTRY FRONTIERS,2018,5(1):145-152.
APA Sun, Yuanqing,Lin, Huihui,Wang, Chuanxi,Wu, Qian,Wang, Xiaojie,&Yang, Minghui.(2018).Morphology-controlled synthesis of TiO2/MoS2 nanocomposites with enhanced visible-light photocatalytic activity.INORGANIC CHEMISTRY FRONTIERS,5(1),145-152.
MLA Sun, Yuanqing,et al."Morphology-controlled synthesis of TiO2/MoS2 nanocomposites with enhanced visible-light photocatalytic activity".INORGANIC CHEMISTRY FRONTIERS 5.1(2018):145-152.
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