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The SnO2 nano-flower/graphene (SnO2-NF/GN) composites were synthesized by using graphene (GN) and SnO2 nano-flower (SnO2-NF). Among them, the SnO2-NFs were prefabricated by using sodium hydroxide and stannic chloride pentahydrate (SnCl4·5H2O) as raw materials. The results of SEM show that the SnO2-NFs are uniformly dispersed on the surface of GN. Furthermore, compared with the pure SnO2, the as-prepared...
3D carbon scaffold built from carbon nanotubes (CNTs) and graphene exhibits the synergistic effects in electronic conductivity and buffers the structural strain of materials. In this paper, NiO–graphene–carbon nanotubes (NiO–G–CNTs) nanohybrids were prepared via a facile hydrothermal–thermal decomposition process. The as-prepared ternary component nanohybrids exhibit high reversible specific capacity,...
We describe a highly sensitive and selective amperometric sensor for the determination of nitrite. A glassy carbon electrode was modified with a composite made from gold nanoparticles (AuNPs) and sulfonated graphene (SG). The modified electrode displays excellent electrocatalytic activity in terms of nitrite oxidation by giving much higher peak currents (at even lower oxidation overpotential) than...
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