Monodisperse Cylindrical Micelles of Controlled Length with a Liquid-Crystalline Perfluorinated Core by 1D "Self-Seeding"

Precise control over the morphology and dimensions of block copolymer (BCP) micelles has attracted interest due to the potential of this approach to generate functional nanostructures. Incorporation of liquid crystalline (LC) block can provide additional ways to vary micellar morphologies, but the f...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2016-09, Vol.55 (38), p.11392-11396
Main Authors: Li, Xiaoyu, Jin, Bixin, Gao, Yang, Hayward, Dominic W., Winnik, Mitchell A., Luo, Yunjun, Manners, Ian
Format: Article
Language:English
Subjects:
Annealing
Block copolymers
Cargo
Cores
Crystal structure
Cylinders
cylindrical micelles
Dyes
Fluorescence
Fluorescent indicators
Fragmentation
Functional anatomy
Hydrophobicity
liquid crystalline
Liquid crystals
Micelles
Morphology
Nanostructure
self-assembly
self-seeding
Stability
Temperature effects
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Summary:Precise control over the morphology and dimensions of block copolymer (BCP) micelles has attracted interest due to the potential of this approach to generate functional nanostructures. Incorporation of liquid crystalline (LC) block can provide additional ways to vary micellar morphologies, but the formation of uniform micelles with controllable dimensions from LC BCPs has not yet been realized. Herein, we report the preparation of monodisperse cylindrical micelles with a LC poly(2‐(perfluorooctyl)ethyl methacrylate (PFMA) core via a fragmentation‐thermal annealing (F‐TA) process, resembling the “self‐seeding” process of crystalline BCP micelles. The average length of the cylinders increases with annealing temperature, with a narrow length distribution (Lw/Ln
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201604551