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Carbonate doped Bi2MoO6 hierarchical nanostructure with enhanced transformation of active radicals for efficient photocatalytic removal of NO.
Huo, Wangchen; Xu, Weina; Cao, Tong; Guo, Ziyang; Liu, Xiaoying; Ge, Guangxu; Li, Nan; Lan, Tian; Yao, Hong-Chang; Zhang, Yuxin; Dong, Fan.
Affiliation
  • Huo W; State Key Laboratory of Mechanical Transmissions, College of Materials Science and Engineering, Chongqing University, Chongqing 400044, PR China; Research Center for Environmental Science & Technology, Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technolog
  • Xu W; Department of Physics, Chongqing University, Chongqing 401331, PR China.
  • Cao T; State Key Laboratory of Mechanical Transmissions, College of Materials Science and Engineering, Chongqing University, Chongqing 400044, PR China.
  • Guo Z; State Key Laboratory of Mechanical Transmissions, College of Materials Science and Engineering, Chongqing University, Chongqing 400044, PR China.
  • Liu X; Engineering Research Center for Waste Oil Recovery Technology and Equipment of Ministry of Education, Chongqing Key Laboratory of Catalysis and New Environmental Materials, Chongqing Technology and Business University, Chongqing 400067, PR China.
  • Ge G; State Key Laboratory of Mechanical Transmissions, College of Materials Science and Engineering, Chongqing University, Chongqing 400044, PR China.
  • Li N; Aerospace Institute of Advanced Materials & Processing Technology, Beijing 100074, PR China.
  • Lan T; Aerospace Institute of Advanced Materials & Processing Technology, Beijing 100074, PR China.
  • Yao HC; College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou City, Henan Province 450001, PR China.
  • Zhang Y; State Key Laboratory of Mechanical Transmissions, College of Materials Science and Engineering, Chongqing University, Chongqing 400044, PR China. Electronic address: zhangyuxin@cqu.edu.cn.
  • Dong F; Research Center for Environmental Science & Technology, Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 611731, PR China. Electronic address: dfctbu@126.com.
J Colloid Interface Sci ; 557: 816-824, 2019 Dec 01.
Article in En | MEDLINE | ID: mdl-31580977
ABSTRACT
Doping heteroatoms in photocatalyst is an effective strategy to signally enhance the photocatalytic activity. Herein, we have favorably fabricated the carbonate doped Bi2MoO6 via a facile one-pot solvothermal method, which was verified by structure and constituent characterization analysis. In addition, the NO removal efficiency of carbonate-intercalated Bi2MoO6 is ~34%, far-exceeding that of the pure Bi2MoO6 (~13%), whilst exhibits a good stability and durability, owing to that the dopants could modulate the electron states of the Bi2MoO6, thus stimulating charge separation and migration, incenting transformation of reactive oxygen species and facilitating reactants activation, which are synthetically investigated by experimental characterization coupled with DFT calculation. Significantly, the in situ DRIFTS measurement was employed to dynamic monitor the NO oxidation process and clarify the photocatalytic mechanism under visible light irradiation. This work provides an efficient strategy to design photocatalysts with tunable motivating charge conversion and reactants activation towards NO photooxidation.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: J Colloid Interface Sci Year: 2019 Document type: Article
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: J Colloid Interface Sci Year: 2019 Document type: Article