• 文献标题:   Facile Fabrication of Dumbbell-Like beta-Bi2O3/Graphene Nanocomposites and Their Highly Efficient Photocatalytic Activity
  • 文献类型:   Article
  • 作  者:   YANG J, XIE TP, LIU CL, XU LJ
  • 作者关键词:   dumbbelllike betabi2o3, photocatalysi, betabi2o3/gn, graphenebased composite
  • 出版物名称:   MATERIALS
  • ISSN:   1996-1944
  • 通讯作者地址:   Yangtze Normal Univ
  • 被引频次:   3
  • DOI:   10.3390/ma11081359
  • 出版年:   2018

▎ 摘  要

beta-Bi2O3 decorated graphene nanosheets (beta-Bi2O3/GN) were prepared by a facile solution mixing method. The crystal structure, surface morphology, and photo absorbance properties of the products were characterized by XRD, SEM, and UV-VIS diffuse reflection, respectively. Moreover, the effect of graphene content on photocatalytic activity was systematically investigated, and the results indicated that these composites possessed a high degradation rate of Rhodamine B (RhB), which was three times higher than that of bare beta-Bi2O3 when graphene content was 1 wt %. This high photocatalytic activity was attributed predominantly to the presence of graphene, which served as an electron collector and transporter to efficiently lengthen the lifetime of the photogenerated charge carriers from beta-Bi2O3.