Fabrication and characterization of the Fe3O4@SiO2-rGO nanocomposite: a catalyst for multi-component reactions

Lavasani, Fatemeh Sheikholia; Khalaj, Zahra; Kabirifard, Hassan; MONAJJEMI, Majıd

doi:10.1039/d2cp05354c

Fabrication and characterization of the Fe₃O₄@SiO₂-rGO nanocomposite: a catalyst for multi-component reactions

Yazarlar (4)

Fatemeh Sheikholia Lavasani Islamic Azad University, North Tehran Branch, İran

Zahra Khalaj
Islamic Azad University, Shahr-E Qods Branch, İran

Hassan Kabirifard Islamic Azad University, North Tehran Branch, İran

Prof. Dr. Majıd MONAJJEMI Islamic Azad University, Central Tehran Branch, İran

Makale Türü	Özgün Makale (SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale)
Dergi Adı	Physical Chemistry Chemical Physics (Q1)
Dergi ISSN	1463-9076 Wos Dergi Scopus Dergi
Makale Dili	İngilizce	Basım Tarihi	01-2023
Cilt / Sayı / Sayfa	25 / 4 / 2821–2829	DOI	10.1039/d2cp05354c

Özet

A novel nanocomposite is synthesized by covalently modifying reduced graphene oxide (rGO) with Fe3O4@SiO2 nanoparticles. Fe3O4 was synthesized using a co-precipitation method, and SiO2 was then coated onto the Fe3O4via a sol-gel method. Graphene oxide was synthesized using the Hummers' method. Furthermore, a hydrothermal method was applied to create the Fe3O4@SiO2-GO composite, and a simple reduction was used to obtain three-dimensional (3D) Fe3O4@SiO2-rGO core-shell spheres. XRD, FTIR, FE-SEM, VSM, BET, TGA, and Raman analyses were used to characterize the prepared nanocomposites. X-Ray diffraction (XRD) and Raman spectra reveal that the nanostructures consist of highly crystallized cubic Fe3O4, amorphous SiO2, and rGO sheets stacked in a disordered fashion. Field emission scanning electron microscopy (FE-SEM) characterization indicates that the form of the Fe3O4@SiO2 core-shell structures is spherical, with an average size of about 25 nm. Magnetic hysteresis loops reveal the super-paramagnetic behavior of the samples at room temperature. All of the results obtained confirm the synthesis of high-quality nanocomposites, which can be a good candidate for use as a catalyst in multi-component reactions.

Anahtar Kelimeler

BM Sürdürülebilir Kalkınma Amaçları

Atıf Sayıları
Web of Science	5
Scopus	7

Fabrication and characterization of the Fe₃O₄@SiO₂-rGO nanocomposite: a catalyst for multi-component reactions

Dergi Adı	PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Yayıncı	Royal Society of Chemistry
Açık Erişim	Hayır
ISSN	1463-9076
E-ISSN	1463-9084
CiteScore	5,3
SJR	0,698
SNIP	0,795

Fabrication and characterization of the Fe3O4@SiO2-rGO nanocomposite: a catalyst for multi-component reactions

Paylaş

Fabrication and characterization of the Fe₃O₄@SiO₂-rGO nanocomposite: a catalyst for multi-component reactions