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. 2015 Oct 15;5:15235. doi: 10.1038/srep15235

Figure 7. GNR diameter dependence of upconversion fluorescence enhancement.

Figure 7

(a) Calculated ESA factor (black squares), relaxation factor (red circles) and corresponding excitation enhancement (green triangles) as a function of the diameter of a 100-nm-long GNR for a dipolar emitter placed at position A (see Fig. 1b) at 10 nm distance from the GNR. (b) Total fluorescence enhancement as a function the diameter for the same system as (a) at emission wavelengths 650 nm (red) and 540 nm (green) for UCNCs with different initial quantum yields.