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兰州大学机构库  > 物理科学与技术学院  > 期刊论文
题名: Dramatic improvement of photocatalytic activity for N-doped Bi2O3/g-C3N4 composites
作者: Xue, S; Hou, XY; Xie, WH; Wei, XC; He, DY(贺德衍)
收录类别: SCIE ; EI
出版日期: 2015-12-15
刊名: MATERIALS LETTERS
卷号: 161, 页码:640-643
出版者: ELSEVIER
出版地: AMSTERDAM
英文摘要: N-doped Bi2O3/g-C3N4 composite photocatalysts were prepared via a cost-effective and eco-friendly ultrasonic dispersion method. It was shown that N-doped Bi2O3 nanoparticles have been perfectly coated by thin g-C3N4 layers. Under visible-light irradiation, the optimum photocatalytic activity of the composite with 66.7 wt% of g-C3N4 is almost 4.6 times as high as that of pure g-C3N4 and 8.2 times of Bi2O3, and the RhB degradation efficiency can reach 94.4% in 15 min. The dramatically improved performance of the composite can be attributed to an enhancement of visible-light absorption and a synergistic effect of N-doped Bi2O3 nanoparticles and g-C3N4 coatings. (C) 2015 Elsevier B.V. All rights reserved.
关键词: Semiconductors ; Composite materials ; Ultrasonic dispersion photocatalysis ; Visible light
作者部门: [Xue, Song ; Hou, Xiaoyi ; Xie, Wenhe ; Wei, Xiucheng ; He, Deyan] Lanzhou Univ, Minist Educ, Sch Phys Sci & Technol, Key Lab Magnetism & Magnet Mat, Lanzhou 730000, Peoples R China
通讯作者: He, DY (reprint author), Lanzhou Univ, Minist Educ, Sch Phys Sci & Technol, Key Lab Magnetism & Magnet Mat, Lanzhou 730000, Peoples R China.
学科分类: Materials Science; Physics
文章类型: Article
所属项目编号: National Natural Science Foundation of China [11179038] ; Specialized Research Fund for the Doctoral Program of Higher Education [20120211130005]
所属项目名称: 国家自然科学基金项目 ; 高等学校博士学科点专项科研基金
项目资助者: NSFC ; MOE
语种: 英语
DOI: 10.1016/j.matlet.2015.09.067
ISSN号: 0167-577X
WOS记录号: WOS:000364891700165
EI记录号: 20153901313682
IR记录号: WOS:000364891700165
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/181437
Appears in Collections:物理科学与技术学院_期刊论文

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Recommended Citation:
Xue, S,Hou, XY,Xie, WH,et al. Dramatic improvement of photocatalytic activity for N-doped Bi2O3/g-C3N4 composites[J]. MATERIALS LETTERS,2015,161:640-643.
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