Fiber-like Micelles via the Crystallization-Driven Solution Self-Assembly of Poly(3-hexylthiophene)-block-Poly(methyl methacrylate) Copolymers
作者： Joe B. Gilroy , David J. Lunn , Sanjib K. Patra , George R. Whittell , Mitchell A. Winnik
DOI: 10.1021/MA3008114
关键词:
摘要: The solution self-assembly of block copolymers with a π-conjugated, crystalline, core-forming represents facile strategy toward the preparation semiconducting nanowires potential for high-tech applications. In this study, two asymmetric based on regioregular poly(3-hexylthiophene) (P3HT) and poly(methyl methacrylate) (PMMA), namely P3HT40-b-PMMA520 (6a) P3HT40-b-PMMA1100 (6b) (block ratios = 1:13 1:27.5, respectively) were prepared via atom transfer radical polymerization (ATRP) from P3HT macroinitiator. P3HT-b-PMMA was subsequently studied under variety experimental conditions. Short, fiber-like micelles resulted when THF (common solvent PMMA) solutions copolymer dialyzed against ethyl acetate n-butyl (selective solvents PMMA). electronic properties obtained coupled wide-angle X-ray scattering studies confirmed that cores...
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