Fig. 5. (a) Illustration of the synthesis of block copolymers by co-assembly of binary NPs of distinct sizes. (b) Typical TEM image of Fe3O4–Au block copolymers resulting from direct co-assembly. (c) Illustration of the synthesis of alternating copolymers by the self-assembly of NP heterodimers. (d) TEM image of alternating copolymer-like assemblies made from Ag–Fe3O4 NP heterodimers. (e) Magnified TEM image of a perfect alternating chain segment.
