Synthesis of ZnFe2O4 Nanoparticles Confined Within Nanoporous Silica Using Trinuclear Oxo-centered Complex: Inorganic Complexes as a Precursor for the Preparation of Magnetic Nanoporous Silica

MCM-48 Nanoporous silica (Mobil Composition of Matter, #48) was synthesized and functionalized by pyridine groups. The formation of this functionalized nanoporous silica was confirmed by elemental analysis, low angle x-ray powder diffraction and N 2 adsorption. The trinuclear oxo-centered Fe 2 Zn(μ...

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Bibliographic Details
Published in:Journal of inorganic and organometallic polymers and materials 2012-11, Vol.22 (6), p.1419-1424
Main Authors: Mehrani, Azadeh, Mehrani, Kheirollah
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Communication
Inorganic Chemistry
Organic Chemistry
Polymer Sciences
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Summary:MCM-48 Nanoporous silica (Mobil Composition of Matter, #48) was synthesized and functionalized by pyridine groups. The formation of this functionalized nanoporous silica was confirmed by elemental analysis, low angle x-ray powder diffraction and N 2 adsorption. The trinuclear oxo-centered Fe 2 Zn(μ 3 -O)(CF 3 COO) 6 (H 2 O) 3 cluster was synthesized and immobilized inside the pyridine functionalized MCM-48 pores. The immobilization of this cluster was confirmed by IR spectroscopy and flame atomic adsorption spectroscopy. Fe 2 ZnO 4 nanoparticles were confined within the nanoporous silica pores by thermolysis of the immobilized Fe 2 Zn(μ 3 -O)(CF 3 COO) 6 (H 2 O) 3 cluster and were characterized by high angle X-ray powder diffraction and high resolution transmission electron microscopy. This method is suitable for the one-pot preparation of Fe 2 ZnO 4 confined nanoporous silica.
ISSN:1574-1443
1574-1451
DOI:10.1007/s10904-012-9730-8