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An efficient dual catalyst of molybdenum carbide nanoparticles embedded nitrogen-doped porous carbon nanofibers (Mo2C/NPCNFs) has been developed for hydrogen evolution reaction (HER) and oxygen reduction reaction (ORR). The well-aligned and nanoporous identity of the desirable hybrid Mo2C/NPCNFs by an electrospun approach provides the good conductivity and rich active sites addressing excellent HER...
Inspired by interfacial interactions of protein matrix and the crystal platelets in nacre, herein, a super-tough artificial nacre was produced through constructing the synergistic interface interactions of π-π interaction and hydrogen bonding between graphene oxide (GO) nanosheets and sulfonated styrene-ethylene/butylene-styrene copolymer synthesized with multifunctional benzene. The resultant GO-based...
A detailed simulation study of the graphene antidot nanoribbon (GANR) and its corresponding MOSFET characteristics is shown in this paper. The research uncovers that the GANR's energy gap (Eg) is continuously tunable by its topography parameters, such as the ribbon's width, the antidot density and the antidot size. At the same ribbon width, the Eg of GANR can be tuned flexibly, while it is only a...
A one-step microwave-assisted polyol method was developed to fabricate green luminescent carbon dots (CDs). By using sucrose as the carbon source and diethylene glycol (DEG) as the reaction medium, the CDs were obtained within one minute under microwave irradiation. The as-prepared DEG stabilized CDs (DEG-CDs) had an average diameter about 5nm and could be readily dispersed in water with transparent...
Carbon nanotubes (CNTs) and nitrogen-doped carbon nanotubes (N-CNTs) were synthesized using a floating catalyst chemical vapor deposition method and characterized by scanning electron microscopy (SEM), transmission electron microscopy, Raman and X-ray photoelectron spectroscopy. The study found that the as-prepared CNTs and N-CNTs showed different discharge capacity as cathode materials in Li-air...
A nanomesh graphene (NMG) was produced by a chemical vapor deposition using porous MgO layers as templates, and its magnetic properties were measured and compared with those of reduced graphene oxide (rGO). Extraordinary ferromagnetism with a saturation magnetization of 0.04emu/g at room temperature was found in the NMG, four times of that of rGO (0.01emu/g). The mesh structure with remarkable corrugations...
The fluorine doped amorphous carbon nanoparticles (a-C:F NPs) films with sizes 50–100nm were deposited on polyethylene terephthalate in an atmosphere of CF 4 by a 90°-bend magnetic filtered cathodic arc plasma system. The surface morphology of a-C:F NPs films was observed by field emission scanning electron microscope and atomic force microscope. The microstructure and chemical bonding nature...
A brief introduction on the development of electrodeposition of diamond-like carbon (DLC) films was given, and our experiments were done, emphasizing on how to deposit hydrogen-free DLC films. Methanol, acetonitrile and N,N-dimethyl formamide (DMF) were chosen as electrolytes, while Si and conductive glass were used as substrates. The sample deposited on Si through methanol was the only one in this...
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