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The development of robust, active and nonprecious electrocatalysts for hydrogen evolution reaction is quite urgent but still challenging. Here MoS2 QDs@Graphene is prepared via a facile lyophilization method, which leads to a better dispersion of MoS2 QDs on the graphene and optimizes the electronic mobility between the MoS2 layers. Impressively, the electrocatalyst MoS2 QDs@Graphene demonstrates...
Fe3O4–graphene composites with three‐dimensional laminated structures have been synthesised by a simple in situ hydrothermal method. From field‐emission and transmission electron microscopy results, the Fe3O4 nanoparticles, around 3–15 nm in size, are highly encapsulated in a graphene nanosheet matrix. The reversible Li‐cycling properties of Fe3O4–graphene have been evaluated by galvanostatic discharge–charge...
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