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Figure 8: Schematic of heterogeneous nanoarchitectured arrays based on structural complexity. (a) Simple heterogeneous nanostructure arrays, (b) coaxial or core/shell heterogeneous nanostructure arrays, (c) semicoated grenadelike heterogeneous nanostructure arrays, (d) dispersed heterogeneous nanostructure arrays, (e) branched heterogeneous nanostructure arrays, and (f) folded heterogeneous nanostructure arrays.