Polymeric carbon nitride-based photocatalysts for the removal of nitrogen oxides: A review

Zhenyu WANG, Xianjin SHI, Meijuan CHEN, Junji CAO, Wing Kei HO, Shuncheng LEE, Chuanyi WANG, Yu HUANG

Research output: Contribution to journalArticlespeer-review

3 Citations (Scopus)

Abstract

Air pollution in Chinese megacities by particulate matter and ozone is a major health problem originating partly from emissions of nitrogen oxides. Therefore, there is a need for advanced methods to remove nitrogen oxides, such as photocalalysis using polymeric carbon nitride, yet this process is limited by low visible-light absorption and specific surface area, rapid recombination of carriers, and uncontrolled conversion pathways. Here we review catalysts made of polymeric carbon nitride for the removal of nitrogen oxides with focus on extending light absorption, enlarging surface area, inhibiting photogenerated carrier recombination, regulating the reaction process, outdoor applications, and reduction of nitrogen oxides to dinitrogen. Copyright © 2023 The Author(s), under exclusive licence to Springer Nature Switzerland AG.

Original languageEnglish
Pages (from-to)2913-2952
JournalEnvironmental Chemistry Letters
Volume21
Early online dateMar 2023
DOIs
Publication statusPublished - Oct 2023

Citation

Wang, Z., Shi, X., Chen, M., Cao, J., Ho, W., Lee, S., Wang, C., & Huang, Y. (2023). Polymeric carbon nitride-based photocatalysts for the removal of nitrogen oxides: A review. Environmental Chemistry Letters, 21, 2913-2952. https://doi.org/10.1007/s10311-023-01583-5

Keywords

  • Carbon nitride
  • Photocatalysis
  • Nitrogen oxide
  • Basic scientific research
  • Practical application

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