Designing highly potential photocatalytic comprising silver deposited ZnO NPs with sulfurized graphitic carbon nitride (Ag/ZnO/S-g-C3N4) ternary composite

Shahid Iqbal, Naveed Ahmad, Mohsin Javed, Muhammad Azam Qamar, Ali Bahadur, Shahid Ali, Zahoor Ahmad, Rana Muhammad Irfan, Guocong Liu, Muhammad Bilal Akbar, Muhammad Abdul Qayyum

Research output: Journal PublicationArticlepeer-review

57 Citations (Scopus)

Abstract

A series of ternary-composite were synthesized by the integration of 7% silver-mixed ZnO NPs with different contents (3.5-75 wt%) of sulfur-doped graphitic carbon nitride (S-g-C3N4). A unique ternary-composite formed between Ag/ZnO and S-g-C3N4 generates a vast number of catalytic active sites for photocatalytic degradation. The as-synthesized 7% Ag/ZnO nanocomposite showed maximum methylene blue (MB) degradation rate among the series (0-9%) under visible light. The synergistic effects of the Ag/ZnO/S-g-C3N4 ternary-composite enhanced photocatalytic activity, and photo-corrosion resistance was demonstrated successfully. The photo-corrosion of ZnO NPs was inhibited by simultaneous mixing Ag and coupling with S-g-C3N4, which was verified through cyclic photo-degradation with six consecutive dye degradation tests. Interestingly, the 25% Ag/ZnO/S-g-C3N4 ternary-composite exhibited a significant increase in photodegradation of MB.

Original languageEnglish
Article number104919
JournalJournal of Environmental Chemical Engineering
Volume9
Issue number1
DOIs
Publication statusPublished - Feb 2021
Externally publishedYes

Keywords

  • Carbon nitride
  • Dye degradation
  • Nanocomposites
  • Photocatalysis
  • Ternary structure
  • ZnO NPs

ASJC Scopus subject areas

  • Chemical Engineering (miscellaneous)
  • Waste Management and Disposal
  • Pollution
  • Process Chemistry and Technology

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