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. 2014 Nov 17;8(12):12175–12184. doi: 10.1021/nn503826r

Figure 6.

Figure 6

Electromagnetic field enhancement of ZnO nanorods and Ag@ZnO nanostructures using FDTD simulations. (a) Schematics of simulation configuration; (b, c) pristine ZnO nanorods showed limited electromagnetic field enhancements. (d, e) Ag@ZnO nanorods with strong electromagnetic field enhancements. (f, g) When two Ag@ZnO nanostructures are placed at a distance of 100 nm, the electromagnetic field is further magnified. (h, i) Further reduced distance between the Ag@ZnO nanorods gives rise to a dramatically enhanced electromagnetic field.