A composite of Bi2Se3 nanosheets confined in ultrathin carbon layers is synthesized. The carbon layers buffer the volume variation and enhance the electronic conductivity of the electrode, resulting in improved… Click to show full abstract
A composite of Bi2Se3 nanosheets confined in ultrathin carbon layers is synthesized. The carbon layers buffer the volume variation and enhance the electronic conductivity of the electrode, resulting in improved potassium-ion storage performance.
               
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