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Issue 19, 2013
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Controllable fabrication of mono-dispersed RGO–hematite nanocomposites and their enhanced wave absorption properties

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Abstract

Novel RGO–hematite nanocomposites have been successfully fabricated using a surfactant-governed approach in the presence of polyvinylpyrrolidone (PVP) under mild wet chemical conditions (105 °C). A series of characterization methods including X-ray diffraction (XRD), Raman spectroscopy, scanning electron microscopy (SEM) and transmission electron microscopy (TEM) indicated that the as-prepared single-crystal hematite particles with relatively uniform size are embedded in RGO layers to form unique quasi shell–core nanostructures. The microwave absorption properties of the RGO–hematite composites were studied in detail; as an absorber, the RGO–hematite nanocomposites possess excellent microwave absorbing properties. The enhanced microwave absorbing properties were also explained based on the structures of the nanocomposites.

Graphical abstract: Controllable fabrication of mono-dispersed RGO–hematite nanocomposites and their enhanced wave absorption properties

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Supplementary files

Article information


Submitted
14 feb 2013
Accepted
12 mar 2013
First published
13 mar 2013

J. Mater. Chem. A, 2013,1, 5996-6003
Article type
Paper

Controllable fabrication of mono-dispersed RGO–hematite nanocomposites and their enhanced wave absorption properties

D. Chen, G. Wang, S. He, J. Liu, L. Guo and M. Cao, J. Mater. Chem. A, 2013, 1, 5996
DOI: 10.1039/C3TA10664K

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