光催化
罗丹明B
甲基橙
光化学
材料科学
纳米复合材料
亚甲蓝
纳米技术
化学工程
热液循环
异质结
吸收(声学)
光降解
降级(电信)
光电子学
化学
催化作用
复合材料
工程类
有机化学
电信
计算机科学
作者
Fang Zhou,Wenjun Liu,Zhilei Miao,Qiang Wang
标识
DOI:10.1002/slct.201900743
摘要
Abstract TiO 2 nanoblets coated with MoS 2 nanosheets, donated as T@M, were successfully prepared by a facile hydrothermal method. In comparison with pristine TiO 2 nanoblets, the composite of MoS 2 nanosheets could enlarge the spectral response of sunlight. The surface heterostructures of T@M nanocomposite could effectively separate the photogenerated electron‐hole pairs, and greatly inhibit the recombination of photogenerated electrons and holes. The photocatalytic performances of the as‐synthesized products were investigated in contrast by photodegradation of methylene blue, methyl orange, rhodamine B and levofloxacin. Under 350 W Xe lamp irradiating for 2 h, T@M exhibited excellent degradation performance. Interestingly, blue shifts of the dyes’ absorption peaks were observed, which probably attributed to the incomplete products decomposed by as‐absorbed dye molecules on the surface of TiO 2 nanoblets. Compared with pure TiO 2 nanoblets, T@M has less amount TiO 2 , higher separation efficiency of photogenerated electron‐hole pairs and better inhibition efficiency of photogenerated carriers ’ recombination, leading less blue shift and higher degradation efficiency.
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