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Author:

Li, Zelong (Li, Zelong.) | Lu, Xu (Lu, Xu.) | Reyimu, Xiaokaiti (Reyimu, Xiaokaiti.) | Gan, Yiming (Gan, Yiming.) | Wang, Zongmian (Wang, Zongmian.) | Hailili, Reshalaiti (Hailili, Reshalaiti.)

Indexed by:

EI Scopus SCIE

Abstract:

Air pollution has become a globally prominent environmental problem, in which nitrogen oxide (NOx, - 95 % NO and NO2) is one of the most serious pollutants, how to remove low-concentered NO from the air without producing secondary pollution is becoming a challenging task. Environmental nanomaterial based photocatalytic technique is considered as a green technology for the removal of dilute NO (- ppb) due to its low costs, high efficiencies and environmental friendless. Photocatalysts with certain surface defects, e.g., oxygen vacancies (OVs) have attracted huge interests with appreciable effectiveness for the NO removal as they affect essential steps of the photocatalytic reactions. Considering the advantages of OV for the NO conversion, this review systematically summarizes the methods of defect creation (e.g., OVs), characterizations, detailed reaction mechanisms during the photocatalytic NO removal. This review presents the state-of-the-arts, applications and vital roles of OVs including extending light absorption, promoting carrier separation, strengthening the surfaceinterface reactions in the photocatalytic NO oxidations. Based on these, several challenges and prospects of surface defect engineering in semiconducting materials are proposed for the further application of OV for NO conversion as well as the removal of other potential atmospheric hazardous.

Keyword:

Surface reaction Oxygen vacancy Nitrogen oxide Photocatalysis

Author Community:

  • [ 1 ] [Li, Zelong]Beijing Univ Technol, MOE Key Lab Enhanced Heat Transfer & Energy Conser, Beijing Key Lab Heat Transfer & Energy Convers, Beijing 100124, Peoples R China
  • [ 2 ] [Lu, Xu]Beijing Univ Technol, MOE Key Lab Enhanced Heat Transfer & Energy Conser, Beijing Key Lab Heat Transfer & Energy Convers, Beijing 100124, Peoples R China
  • [ 3 ] [Reyimu, Xiaokaiti]Beijing Univ Technol, MOE Key Lab Enhanced Heat Transfer & Energy Conser, Beijing Key Lab Heat Transfer & Energy Convers, Beijing 100124, Peoples R China
  • [ 4 ] [Gan, Yiming]Beijing Univ Technol, MOE Key Lab Enhanced Heat Transfer & Energy Conser, Beijing Key Lab Heat Transfer & Energy Convers, Beijing 100124, Peoples R China
  • [ 5 ] [Wang, Zongmian]Beijing Univ Technol, MOE Key Lab Enhanced Heat Transfer & Energy Conser, Beijing Key Lab Heat Transfer & Energy Convers, Beijing 100124, Peoples R China
  • [ 6 ] [Hailili, Reshalaiti]Beijing Univ Technol, MOE Key Lab Enhanced Heat Transfer & Energy Conser, Beijing Key Lab Heat Transfer & Energy Convers, Beijing 100124, Peoples R China

Reprint Author's Address:

  • [Hailili, Reshalaiti]Beijing Univ Technol, MOE Key Lab Enhanced Heat Transfer & Energy Conser, Beijing Key Lab Heat Transfer & Energy Convers, Beijing 100124, Peoples R China;;

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Source :

CATALYSIS TODAY

ISSN: 0920-5861

Year: 2024

Volume: 437

5 . 3 0 0

JCR@2022

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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