Figure 2From: Hexagonal core-shell and alloy Au/Ag nanodisks on ZnO nanorods and their optical enhancement effectEDS spectrum of sample A and EDS mapping for Au and Ag elements. (a) EDS spectrum of sample A. (b) EDS mapping for Au element: the region of mapping corresponds to (a). Acquisition time 80 s. (c) EDS mapping for Ag element. Acquisition time 80 s.Back to article page