Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 1, Issue 19, Pages 5996-6003Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ta10664k
Keywords
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Funding
- National Basic Research Program of China [2010CB934700, 2007CB310500]
- National Natural Science Foundation of China [5110223, 50725208, 20973019]
- State Key Project of Fundamental Research for Nanoscience and Nanotechnology [2006CB932301]
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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 degrees 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.
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