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Cuprous oxide (Cu2O) sub-microspheres @ reduced graphene oxide (rGO) nanosheets core-shell composites with 3D architecture are successfully fabricated by a one-step method through co-reduction of irregular cupric citrate and graphene oxide nanosheets at room temperature. Comparing to the bare Cu2O sub-microspheres and the simple physical mixture of Cu2O and rGO (Cu2O-rGO-M), the Cu2O@rGO electrodes...
The Ag/graphene/Au nanostructure as an efficient surface enhanced Raman scattering (SERS)-active substrate was fabricated by sandwiching the reduced graphene oxide (rGO) between plasmonic silver dendrites and gold nanoparticles layers by a simple electrodeposition method. The surface plasmons aroused in the Ag-rGO interface could be effectively transferred from the silver to the top gold by rGO interlayer,...
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