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. 2017 Jun 30;12:430. doi: 10.1186/s11671-017-2062-4

Fig. 4.

Fig. 4

ECS spectra of Ag TNP dimers with l 2 changing from 0 to 43.3 nm. a R = 0; b R = 1. The dark scatter and red short dot lines show the resonant wavelength and intensity spectra, respectively. The square and triangle lines show peak 1 and peak 2, respectively