Chemoselectivity-induced multiple interfaces in MWCNT/Fe3O4@ZnO heterotrimers for whole X-band microwave absorption

A chemoselective route to induce Fe3O4@ZnO core-shell nanoparticles decorating carbon nanotubes to form MWCNT/Fe3O4@ZnO heterotrimers has been developed. Charges are redistributed in the heterotrimers through C-O-Zn, C-O-Fe and Fe-O-Zn bondings, giving rise to multiple electronic phases. The generat...

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Bibliographic Details
Published in:Nanoscale 2014-11, Vol.6 (21), p.12298-12302
Main Authors: Wang, Zhijiang, Wu, Lina, Zhou, Jigang, Jiang, Zhaohua, Shen, Baozhong
Format: Article
Language:English
Subjects:
Electronics
Ferric Compounds - chemistry
Humans
Magnetics
Microscopy, Electron, Transmission
Microwaves
Nanoparticles - chemistry
Nanotechnology
Nanotubes, Carbon - chemistry
Spectroscopy, Fourier Transform Infrared
Surface Properties
X-Ray Diffraction
X-Rays
Zinc Oxide - chemistry
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Summary:A chemoselective route to induce Fe3O4@ZnO core-shell nanoparticles decorating carbon nanotubes to form MWCNT/Fe3O4@ZnO heterotrimers has been developed. Charges are redistributed in the heterotrimers through C-O-Zn, C-O-Fe and Fe-O-Zn bondings, giving rise to multiple electronic phases. The generated significant interfacial polarization and synergetic interaction between dielectric and magnetic absorbers result in the MWCNT/Fe3O4@ZnO heterotrimers with high-performance microwave absorption in an entire X band.
ISSN:2040-3372
DOI:10.1039/c4nr03040k