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Fig. 1 | Nanoscale Research Letters

Fig. 1

From: Improved SERS Performance and Catalytic Activity of Dendritic Au/Ag Bimetallic Nanostructures Based on Ag Dendrites

Fig. 1

SEM images of the a dendritic Ag nanostructures and bd dendritic Au/Ag bimetallic nanostructures prepared after different replacement reaction time: 30, 90, and 150 s, respectively. For simplicity, these samples were designated as bimetallic nanostructure (Ag180s-Au0s), (Ag180s-Au30s), (Ag180s-Au90s), and (Ag180s-Au150s), respectively. Inset is the corresponding high-magnification SEM image

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