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TEM images of nanoparticles after assembly. a, b) low and high magnification images of poly(styrene)-block-poly(2-vinyl pyridine) (PS-b-P2VP) copolymer in the absence of supramolecular guests; c, d) Low and high magnification images of the hydrophobic supramolecular complex prepared from PS-b-P2VP and an equal-molar incorporation of pentadecyl phenol (PDP). The dark regions correspond to the P2VP phase stained by iodine vapor.
