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  • 标题:HYDROTHERMAL AND ULTRASONICATION PREPARATION OF C0S2-GRAPHENE HYBRID WITH HIGH PERFORMANCE IN PHOTOCATALYTIC DEGRADATION
  • 本地全文:下载
  • 作者:Ze-Da Meng ; Tao Zhou ; Yixuan Han
  • 期刊名称:Fresenius Environmental Bulletin
  • 印刷版ISSN:1018-4619
  • 出版年度:2017
  • 卷号:26
  • 期号:6
  • 页码:3748-3755
  • 语种:English
  • 出版社:PSP Publishing
  • 摘要:CoS2 and CoS2-graphene composite was synthesized by a facile sonochemical and hydro-thermal method. The as-prepared products were characterized by X-ray diffraction (XRD), Scanning electron microscopy (SEM) with energy dispersive X-ray (EDX) analysis, transmission electron microscopy (TEM) and UV-vis diffuse reflectance spectrophotometer. During the reaction, the reduc-tion of graphene oxide and loading of CoS2 and TiO2 particles were achieved. The as-prepared Co S2-graphene composites possessed great adsorpti-vity of dyes, extended light absorption range, and efficient charge separation properties simultane-ously. Hence, in the photodegradation of methylene blue (MB), a significant enhancement in the re-action rate was observed with CoS2-graphene com-posites, compared to the pure CoS2. The high acti-vity can be attributed to the synergetic effects of high charge mobility, and red shift in absorption edge of CoS2-graphene composites.
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