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We employ a facile approach to fabricate the novel graphene/Fe3O4/carbon microtube-nanocomposite with the hierarchical sandwich-type architecture by the addition of the trace amount of the carbon microtubes. This new microstructure effectively avoids the agglomeration of graphene and keeps the characteristic of stronger and broader absorption with lighter density. Results indicate that the graphene/Fe...
High-purity and bulk-quantity boron nitride spheres have been successfully synthesized at 1400°C via a polymer-chemical route with about 40% yield. The as-prepared products were characterized by Fourier transform infrared spectroscopy, X-ray diffraction, X-ray photoelectron spectrometry, scanning electron microscopy, conventional transmission electron microscopy and high-resolution transmission electron...
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