In situ preparation of g-C3N4 nanosheet/FeOCl: Achievement and promoted photocatalytic nitrogen fixation activity

Van Huy Nguyen*, Mitra Mousavi, Jahan B. Ghasemi, Quyet Van Le, Seyed Ali Delbari, Mehdi Shahedi Asl, Mohammadreza Shokouhimehr, Mohsen Mohammadi, Yashar Azizian-Kalandaragh, Abbas Sabahi Namini

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

74 Citations (Scopus)

Abstract

Climate change, global warming, and population growth have led researchers to use eco-sociable procedures for the N2 reduction reaction. It has discovered that N2 molecule can be transformed into NH3 in ambient circumstances with nanocomposites upon visible irradiation. In this research paper, a new visible-light-driven photocatalyst was constructed, with various weight percents of FeOCl particles (10, 20, 30, and 40%) that have adhered on NS-CN. Subsequently, multiple features of the nanocomposites were assayed in detail. The results illustrated that the NS-CN/FeOCl (20%) system has remarkable photoactivity in the NH4+ production reaction in comparison with the NS-CN and CN, which showed 2.5 and 8.6 higher activity, respectively. The durability of NS-CN/FeOCl (20%) system, as a substantial factor, was assayed for 5 recycles. Moreover, the effect of electron quenchers, pH of media, and solvent was studied. At last, a feasible Z-scheme mechanism for the remarkable improvement of N2 fixation efficiency was offered.

Original languageEnglish
Pages (from-to)538-549
Number of pages12
JournalJournal of Colloid and Interface Science
Volume587
DOIs
Publication statusPublished - Apr 2021
Externally publishedYes

Keywords

  • g-CN nanosheets/FeOCl
  • N fixation
  • NH synthesis
  • Photocatalysis
  • Z-scheme mechanism

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