Issue 33, 2025, Issue in Progress

Facile preparation of Fe3O4/HAP/Ag nanomaterial and photocatalytic degradation of four types of dyes with mechanism

Abstract

The present study involved the facile and green preparation of Fe3O4/HAP/Ag (HAP:hydroxyapatite) nanocomposites as catalyst, and followed by comprehensive investigation of their photocatalytic degradation four types of dyes. The photocatalytic degradation of sunset yellow, eosin, allure red and sudan red III dyes under illuminated circumstances were conducted. The structure and morphology of the catalyst was characterized and analyzed by advanced analytical techniques, such as X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), mapping and X-ray photoelectron spectroscopy (XPS). The photocatalytic performance of the catalysts were evaluated in detail. The influence of various parameters, including the dosage of catalyst and peroxymonosulfate (PMS) and pH were further examined. The photoelectrochemical studies including cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS) and diffuse reflectance spectroscopy (DRS), scavenger analysis were discussed. The findings indicated that the Fe3O4/HAP/Ag composites demonstrated remarkable capabilities for pollutant removal through photocatalysis, with the degradation rates of 95.6%, 99.5%, 98.4% and 88.6% for sunset yellow, eosin, allure red and sudan red III, respectively. The degradation mechanisms were proposed in detail. The current study provide reference perspective for design of materials for photocatalysis system and wastewater remediation.

Graphical abstract: Facile preparation of Fe3O4/HAP/Ag nanomaterial and photocatalytic degradation of four types of dyes with mechanism

Supplementary files

Article information

Article type
Paper
Submitted
29 May 2025
Accepted
16 Jul 2025
First published
30 Jul 2025
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2025,15, 27128-27138

Facile preparation of Fe3O4/HAP/Ag nanomaterial and photocatalytic degradation of four types of dyes with mechanism

R. Wu, Y. Wang, J. Wang, G. Tian, Y. Li and C. Liu, RSC Adv., 2025, 15, 27128 DOI: 10.1039/D5RA03777H

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