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AFM images (125 × 125 nm2) showing hexagonally packed nanostructures identified during chloroform annealing of PS-b-P4VP nanodomains: (I) original spheres, (II) holes, (III) reformed spheres, (IV) embedded spheres, (V) enlarged spheres, (VI) cylinder precursors, (VII) enlarged holes, and (VIII) cylinders. Adapted with permission from ref (44) (copyright 2012 American Chemical Society).
