Issue 81, 2016
From the journal:

RSC Advances

Preparation and characterization of Fe3O4@SiO2@TiO2@Pd and Fe3O4@SiO2@TiO2@Pd–Ag nanocomposites and their utilization in enhanced degradation systems and rapid magnetic separation

Hossein Khojasteh,ab   Masoud Salavati-Niasari,*ab   Mohammad-Peyman Mazhariab  and  Masood Hamadanianab  

* Corresponding authors

a Young Researchers and Elite Club, Mahabad Branch, Islamic Azad University, Mahabad, Iran

b Institute of Nano Science and Nano Technology, University of Kashan, P.O. Box 87317-51167, Kashan, Iran
E-mail: salavati@kashanu.ac.ir
Fax: +98 315 5913201
Tel: +98 315 5912383

Abstract

Two new palladium catalysts immobilized on modified magnetic nanoparticles with titanium dioxide shells (Fe3O4@SiO2@TiO2@Pd and Fe3O4@SiO2@TiO2@Pd–Ag nanocomposites) were synthesized and characterized using XRD, SEM, TEM, VSM, EDS, DRS and IR techniques. These catalytic systems showed high activity in the photodegradation of rhodamine B under UV irradiation. The activity of these catalysts was compared and the results showed a higher activity for the Fe3O4@SiO2@TiO2@Pd–Ag nanocomposite due to a synergic effect between silver and palladium. The supported catalysts have the advantage of being completely recoverable with the simple application of an external magnetic field.

Graphical abstract: Preparation and characterization of Fe3O4@SiO2@TiO2@Pd and Fe3O4@SiO2@TiO2@Pd–Ag nanocomposites and their utilization in enhanced degradation systems and rapid magnetic separation

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Article information

DOI
https://doi.org/10.1039/C6RA13613C
Article type
Paper
Submitted
25 May 2016
Accepted
04 Aug 2016
First published
04 Aug 2016

RSC Adv., 2016,6, 78043-78052

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Preparation and characterization of Fe3O4@SiO2@TiO2@Pd and Fe3O4@SiO2@TiO2@Pd–Ag nanocomposites and their utilization in enhanced degradation systems and rapid magnetic separation

H. Khojasteh, M. Salavati-Niasari, M. Mazhari and M. Hamadanian, RSC Adv., 2016, 6, 78043 DOI: 10.1039/C6RA13613C

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