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We introduce a facile approach to solder carbon nanotube (CNT) fibers by depositing carbon nanostructures at targeted fiber connections. Electrothermal induced deposition (ETID) process facilitates thermal chemical vapor deposition via current-induced Joule heating. Various carbon structures are formed between the overlapped fibers, with nanofibers covered by amorphous carbon and carbon nanowalls,...
Graphene-pasted TiO2 spheres have been prepared successfully by a two-step method including attaching relatively small graphene oxide sheets onto the surface of the modified TiO2 spheres and in-situ photocatalysis reduction of these graphene oxide sheets. Since coated almost totally on the surface of TiO2 spheres, these added graphene sheets are utilized more fully in these as-obtained graphene-pasted...
The reduction of graphene oxide has been widely used to control the properties of graphene-based materials. Traditional methods thoroughly remove oxygenated functional groups in graphene oxides. We show that ethanol, ethylene glycol and glycerol can selectively reduce epoxy groups in graphene oxide while hydroxyl and carboxyl groups remain unchanged. Hydrazine hydrate can reduce oxygen functional...
Graphene oxide-particle composite films with filtration function have been successfully synthesized by a two-step method. First, graphene oxide–TiO 2 composite sheets are prepared, which can form stable dispersion in water. Then, by assembling these composite sheets, graphene oxide–TiO 2 films are obtained. In these as-prepared films, dilated space and channels are desirably formed...
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