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Based on the spontaneous redox reaction between metal and graphene oxide, a novel type of metal/graphene oxide (M/GO) batteries is developed to convert chemical energy into electricity, including Li/GO, Na/GO, Zn/GO, Fe/GO, and Cu/GO batteries. They are fabricated via the simple assembly of metal foils with GO films, in which M plays the role of anode, and GO acts as both cathode and separator. Among...
This work demonstrates the surface chemistry of graphene can be directly reflected by the visible zinc oxide (ZnO) nanostructures. When C/O atom ratio is smaller than 9, ZnO tends to self-assemble into hydrangea-like microstructure in the form of nanosheets on the graphene films and the size of ZnO microspheres decrease gradually with the increase of C/O ratio. In the case of C/O ratio of larger than...
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