Facile preparation and characterization of glass/Fe3O4 core/shell composite hollow spheres

Zhenguo An; Jingjie Zhang; Shunlong Pan

doi:10.1039/B901052A

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Facile preparation and characterization of glass/Fe₃O₄ core/shell composite hollow spheres†

Zhenguo An,^ab Jingjie Zhang*^a and Shunlong Pan^a

Author affiliations

* Corresponding authors

^a Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, China
E-mail: jjzhang@mail.ipc.ac.cn
Fax: +86 10 8254 3691
Tel: +86 10 8254 3691

^b Graduate School of the Chinese Academy of Sciences, Beijing, China

Abstract

Novel glass/Fe₃O₄ core/shell composite hollow spheres with the shell layer assembled by multi-layered wafers were successfully synthesized by reduction of a glass/α-Fe₂O₃ precursor, which was obtained through a facile solvothermal process. The effects of some reaction parameters on the morphology of the shell layers and the magnetic properties of the products were investigated.

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Supplementary files

Experimental details, typical solvent compositions for thepreparation of different samples, SEM images of the pristine HGS,XRD patterns of the pristine HGS and the as-obtained glass/Fe₃O₄ core/shell composite hollow spheres, SEM images of theglass/α-Fe₂O₃ composite spheres as the precursors, TEM and HRTEMimages of a single multi-layered wafer, SEM images of the glass/Fe₃O₄ core/shell composite hollow spheres obtained with aFeCl₂ concentration of 0.05M and the isolated Fe₃O₄ particles obtained in the absence of HGS PDF (550K)

Article information

DOI: https://doi.org/10.1039/B901052A
Article type: Communication
Submitted: 19 Jan 2009
Accepted: 18 Mar 2009
First published: 26 Mar 2009

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Dalton Trans., 2009, 3664-3667

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Facile preparation and characterization of glass/Fe₃O₄ core/shell composite hollow spheres

Z. An, J. Zhang and S. Pan, Dalton Trans., 2009, 3664 DOI: 10.1039/B901052A

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Dalton Transactions