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Photocatalytic Reduction of U(VI) with Cu-doped Bi2WO6
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Xiaoyan LI, Yang WANG, Dengwu HE, Yujie CHEN, Xiaogang CAO, Yibao LIU
Journal of the Chinese Ceramic Society | 2021, 49(5) : 1025 - 1032
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Journal of the Chinese Ceramic Society | 2021, 49(5): 1025-1032
• Research Article •
Photocatalytic Reduction of U(VI) with Cu-doped Bi2WO6
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Xiaoyan LI, Yang WANG, Dengwu HE, Yujie CHEN, Xiaogang CAO, Yibao LIU
Affiliations
  • State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang 330013, China

    • LI Xiaoyan(1974-), female, Ph.D., Professor. E-mail:

About Author:

LI Xiaoyan(1974-), female, Ph.D., Professor. E-mail:

Published: 2021-05-20 doi: 10.14062/j.issn.0454-5648.20200462
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Cu-doped Bi2WO6 nanomaterials (Cu/Bi2WO6) were prepared by a hydrothermal method. The structures of Cu/Bi2WO6 nanomaterials were characterized by scanning electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, UV-Vis diffuse reflectance spectroscopy and electrochemical impedance spectroscopy. The photocatalytic activities were examined through the photocatalytic reduction of U(VI) under visible light irradiation. The results show that Cu-doped Bi2WO6 samples exhibit much higher photocatalytic activity than pure Bi2WO6 for reduction of U(VI) under visible light irradiation. It is also revealed that 10% Cu/Bi2WO6 sample exhibits the optimum photocatalytic activities in the reduction of U(VI), The enhanced photocatalytic activity of Cu/Bi2WO6 materials are attributed to the increased transmission rate and reduced recombination rate of photogenerated electron-hole by Cu doping on BiWO6. Also, Cu doping reduces the Bi2WO6 band gap and expands the response range to visible light, thus improving the activity of Cu/Bi2WO6 photocatalyst. Cu doped Bi2WO6 materials have considerable potential applications in solar-driven treatment of wastewater with U(VI).

bismuth tungstate  /  photocatalytic  /  reduction  /  uranium  /  ecomaterials
李小燕, 王杨, 何登武, 陈玉洁, 曹小岗, 刘义保. Cu掺杂Bi2WO6的光催化还原U(VI)特性. 硅酸盐学报, 2021 , 49 (5) : 1025 -1032 . DOI: 10.14062/j.issn.0454-5648.20200462
Xiaoyan LI, Yang WANG, Dengwu HE, Yujie CHEN, Xiaogang CAO, Yibao LIU. Photocatalytic Reduction of U(VI) with Cu-doped Bi2WO6[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (5) : 1025 -1032 . DOI: 10.14062/j.issn.0454-5648.20200462
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Year 2021 volume 49 Issue 5
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Article Info
doi: 10.14062/j.issn.0454-5648.20200462
  • Receive Date：2020-06-16
  • Online Date：2026-10-30
  • Published：2021-05-20
Article Data
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History
  • Received：2020-06-16
  • Revised：2020-07-20
Funding
Affiliations
    State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang 330013, China

Corresponding:

LIU Yibao(1967-), male, Ph.D., Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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