期刊
MACROMOLECULAR RAPID COMMUNICATIONS
卷 29, 期 4, 页码 340-346出版社
WILEY-BLACKWELL
DOI: 10.1002/marc.200700811
关键词
atom transfer radical polymerization; block copolymers; fullerenes; hybrid vesicles; self-assembly
A well-defined amphiphilic block copolymer bearing a reactive azide group at the interface of two blocks, poly(ethylene oxide) (-azido)- block-polystyrene (PEO(-N(3))-b-PS), has been successfully synthesized via a combination of end group transformation and atom transfer radical polymerization (ATRP). The subsequent [3 + 2] cycloaddition reaction between PEO(-N3)-b-PS and C(60) led to the facile preparation of PEO(-C(60))-b-PS, in which a single C(60) moiety was located at the diblock junction point. Fullerene-containing hybrid vesicles were then fabricated for the first time via the supramolecular self-assembly of PEO(45)(-C(60))-b-PS(380) in aqueous solution using 1,4-dioxane as the cosolvent. The current example augurs well for tunable spatial ordering of desired moieties (fullerene or other functional nanoparticles) by employing block copolymers as self-organizing templates.
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