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The role of Sn in enhancing the visible-light photocatalytic activity of hollow hierarchical microspheres of the Bi/BiOBr heterojunction
Zhang, XM; Ji, GB; Liu, YS; Zhou, XG; Zhu, Y; Shi, DN; Zhang, P; Cao, XZ; Wang, BY; 张鹏(正); Cao XZ(曹兴忠); Wang BY(王宝义)
2015
发表期刊PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷号17期号:12页码:8078-8086
文章类型Article
摘要Hollow hierarchical microspheres of Bi/BiOBr (SBB) with oxygen vacancies were prepared using a one step solvothermal method. It was found that the stannous chloride dihydrate played key roles in the formation of Bi, defects and the stacking mode of hierarchical construction units. Positron annihilation lifetime spectroscopy (PALS) was used to demonstrate the oxygen vacancies in Bi/BiOBr samples. The density of states (DOS) of the valence band of BiOBr can be modulated by the introduction of oxygen vacancies according to the valence band XPS and Density Functional Theory (DFT) calculations. Analyses of photoluminescence and BET demonstrated that SBB hollow hierarchical microspheres with higher specific surface area have a lower recombination rate of photo-generated electrons and holes. The photocatalytic and adsorptive performances showed that the samples exhibited stronger adsorption capacity toward rhodamine B (RhB) and highly efficient photocatalytic activity in the degradation of RhB, which were attributed to the higher adsorption ability and synergistic effect of oxygen vacancies and construction of the heterojunction structure (Bi/BiOBr).
学科领域Chemistry; Physics
DOI10.1039/c5cp00184f
收录类别SCI
WOS类目Chemistry, Physical ; Physics, Atomic, Molecular & Chemical
WOS记录号WOS:000351437500054
引用统计
被引频次:37[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228385
专题多学科研究中心
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Zhang, XM,Ji, GB,Liu, YS,et al. The role of Sn in enhancing the visible-light photocatalytic activity of hollow hierarchical microspheres of the Bi/BiOBr heterojunction[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2015,17(12):8078-8086.
APA Zhang, XM.,Ji, GB.,Liu, YS.,Zhou, XG.,Zhu, Y.,...&王宝义.(2015).The role of Sn in enhancing the visible-light photocatalytic activity of hollow hierarchical microspheres of the Bi/BiOBr heterojunction.PHYSICAL CHEMISTRY CHEMICAL PHYSICS,17(12),8078-8086.
MLA Zhang, XM,et al."The role of Sn in enhancing the visible-light photocatalytic activity of hollow hierarchical microspheres of the Bi/BiOBr heterojunction".PHYSICAL CHEMISTRY CHEMICAL PHYSICS 17.12(2015):8078-8086.
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