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Brazing C/C composites to Nb is often associated with high residual stress in this research, which results in low-strength joints. To overcome this problem, here we report a novel type of three-dimensional graphene-reinforced Cu foam (G-Cu foam) composite fabricated using chemical vapor deposition. This G-Cu foam was used as an interlayer for brazing C/C composite and Nb. Results show that high-quality...
The interaction between graphene and other materials is of great importance for its potential applications in nanotechnology. In this paper, by using all atom molecular dynamics simulations, we systematically investigate the self-assembly of fullerenes (diameter from 0.7 to 2.3nm) and graphene at room temperature (300K). It is found that single fullerene can be wrapped by graphene nanoribbon (GNR)...
Millimeter long multilayer graphene nanoribbons were prepared by a chemical treatment of graphite oxide (GO). To our knowledge, this is the very first report to harvest ultralong graphene ribbons with length dimension >1mm using a wet chemical process. Scanning electron microscope (SEM) images reveal the nanoribbon length larger than 1mm and width ∼10μm. X-ray photoelectron spectroscopy (XPS) analysis...
This study focuses on in situ synthesis of CdS nanoparticles on the surfaces of multiwalled carbon nanotubes. By chemical reaction of cadmium chloride and thioacetamide in the solution with carbon nanotubes, which were pretreated by air oxidization and acid modification, cadmium sulfide nanoparticles densely supported on carbon nanotubes with 10nm size and homogeneous distribution were prepared. The...
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