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. 2018 Jul 11;115(30):7676–7681. doi: 10.1073/pnas.1805912115

Fig. 6.

Fig. 6.

(A) Schematic of a GNP sitting on a SiO2 island on a fused-silica substrate. (B) SEM images of the patterned GNP sample surface. (B, Left) Energy-selective backscatter (ESB) mode. (B, Right) High-efficiency secondary electron mode.