Development of stable and porous Ag2O-loaded hydroxyapatite nanocomposites for enriched photocatalytic degradation of Rhodamine B under visible light

Oulguidoum A., Fatine S., Abbadi M., Bouziani A., Boujamlaoui Z., Nunzi J., ...More

Environmental Science and Pollution Research, vol.32, no.5, pp.2267-2279, 2025 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 32 Issue: 5
  • Publication Date: 2025
  • Doi Number: 10.1007/s11356-024-35855-6
  • Journal Name: Environmental Science and Pollution Research
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus, IBZ Online, ABI/INFORM, Aerospace Database, Agricultural & Environmental Science Database, Aqualine, Aquatic Science & Fisheries Abstracts (ASFA), BIOSIS, CAB Abstracts, EMBASE, Environment Index, Geobase, MEDLINE, Pollution Abstracts, Veterinary Science Database, Civil Engineering Abstracts
  • Page Numbers: pp.2267-2279
  • Keywords: Ag2O-hydroxyapatite, Photocatalysis, Synergistic mechanism, Water treatment
  • Middle East Technical University Affiliated: Yes

Abstract

A simple and inexpensive process from natural phosphate in the presence of Ag+ ions was used to develop Ag2O-loaded hydroxyapatite nanocomposites. The structural and textural characterization of the nanocomposites suggests that the Ag2O nanoparticles are well dispersed on the hydroxyapatite (HAp). The prepared nanocomposites show efficient Rhodamine B (RhB) dye photocatalytic degradation in water under visible and UV–visible light irradiation. Meanwhile, the photocorrosion instability and photosensitivity disadvantages of Ag2O could be largely solved when loaded into hydroxyapatite, which works as an electron sink receiving the electrons photogenerated by Ag2O and fixes the by-products onto the porous matrix. These composites demonstrate a practical potential for the remediation of toxic water contamination under various irradiation sources.