Synergic effect of Fe-Sn-Ag tri-metallic nanoparticles synthesized by a green chemistry method on their photocatalytic activity

被引：1
作者：
Aguirre-Camacho, Jonatan Joel [1 ]
Flores-Lopez, Lucia Z. [1 ]
Espinoza-Gomez, Heriberto [2 ]
Alonso-Nunez, Gabriel [3 ]
机构：
[1] Inst Tecnol Tijuana, Ctr Grad & Invest Quim, Tecnol Nacl Mexico IT Tijuana, Blvd Alberto Limon Padilla S-N, Tijuana 22500, Baja California, Mexico
[2] Univ Autonoma Baja Calif, Fac Ciencias Quim & Ingn, Calz Univ 14418 P Ind Int, Tijuana 22390, Baja California, Mexico
[3] Univ Nacl Autonoma Mexico, Ctr Nanociencias & Nanotecnol, Carr Tijuana Ensenada km107, Ensenada 22860, Baja California, Mexico
来源：
JOURNAL OF ENVIRONMENTAL MANAGEMENT | 2024年 / 372卷
关键词：
TMNPs nanoparticles; Dye photodegradation; Green synthesis; Crystallographic analysis; Synergistic effect; ZERO-VALENT IRON; DEGRADATION; REDUCTION; CU2+;
D O I：
10.1016/j.jenvman.2024.123419
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
This research work reports a novel co-precipitation methodology for the green synthesis of tri-metallic nano- particles (TMNPs) of type: magnetite (Fe(3)O(4)NPs), tin (Sn), and silver (Ag), using an aqueous extract of Crocus sativus (ExCs) as a stabilizing agent (TMNPs Fe(3)O(4)NPs@Sn-Ag/ExCs), for the first time. The resulting TMNPs Fe(3)O(4)NPs@Sn-Ag/ExCs were characterized by Fourier-transform Infrared Spectroscopy (FT-IR), physical adsorption of nitrogen gas at low temperature by Brunauer-Emmett-Teller (BET) analysis, X-ray Diffraction (XRD), X-ray photoelectron spectroscopy (XPS), Field-Emission Scanning Microscopy-Energy Dispersive Spectroscopy (FE-SEM-EDS) and Transmission Electron Microscopy-Energy Dispersive Spectroscopy (TEM-EDS). The TEM-EDS analysis presented TMNPs Fe3O4NPs@Sn-Ag/ExCs with a spherical morphology and a mode size of 13 nm. The crystallographic study of the TMNPs Fe3O4NPs@Sn-Ag/ExCs showed a proportionality between the full width at half maximum (FWHM) XRD peaks and the crystallite size, as well as the d hkl spacing (111) associated with the Ag in the TMNPs structure. The TMNPs Fe(3)O(4)NPs@Sn-Ag/ExCs were successfully used in the photo- degradation of two over the counter commercial dyes, sky blue No. 39 and emerald green No. 27, resulting in a 100% efficiency for both dyes (90 min of reaction), using sunlight or LED radiation, and a high mineralization rate (>99% TOC removal).
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页数：14
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