The DOI matches its Crossref record; 5 of the 5 references it cites were found in a registry or an index.
Aqueous Self-Assembly of Giant Bottlebrush Block Copolymer Surfactants as Shape-Tunable Building Blocks
Abstract
Programmed self-assembly of well-defined molecular building blocks enables the fabrication of precisely structured nanomaterials. In this work, we explore a new class of giant polymeric surfactants (Mn = (0.7-4.4) × 10(6) g/mol) with bottlebrush architecture and show that their persistent molecular shape leads to the formation of uniform aggregates in a predictable manner. Amphiphilic bottlebrush block copolymers containing polylactide (PLA) and poly(ethylene oxide) (PEO) side chains were synthesized by a grafting-from method, and their self-assembly in aqueous environment was studied by cryogenic transmission electron microscopy. The produced micelle structures with varying interfacial curvatures and core radii (19-55 nm) boasted rod-like hydrophilic PEO brushes protruding from the hydrophobic PLA cores normal to the interface. Highly uniform spherical micelles with low dispersities were obtained from bottlebrush amphiphiles with packing parameters of ∼0.3, estimated from the polymer structural data. Long cylindrical micelles and other nonspherical aggregates were observed for the first time for compositionally less asymmetric bottlebrush surfactants. Critical micelle concentration values of 1 nM, measured for PEO-rich bottlebrush amphiphiles, indicated an enhanced thermodynamic stability of the produced micelle aggregates. Shape-dependent assembly of bottlebrush surfactants allows for the rational fabrication of a range of micelle structures in narrow morphological windows.
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Cites
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On the origins of morphological complexity in block copolymer surfactants
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Origins of complex self-assembly in block copolymers
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Cited by
Structure, function, self-assembly, and applications of bottlebrush copolymers
Verduzco, R., Li, X., Pesek, S. L., & Stein, G. E. (2015) · Chemical Society Reviews · doi:10.1039/c4cs00329b · Cited by 676
Light-triggered topological programmability in a dynamic covalent polymer network
Zou, W., Jin, B., Wu, Y., Song, H., Luo, Y., Huang, F., Qian, J., Zhao, Q., & Xie, T. (2020) · Science Advances · doi:10.1126/sciadv.aaz2362 · Cited by 143
Jiang, Z., Liu, H., He, H., Ribbe, A. E., & Thayumanavan, S. (2020) · Macromolecules · doi:10.1021/acs.macromol.9b02595 · Cited by 57
Mucopenetrating micelles with a PEG corona
Taipaleenmäki, E. M., Mouritzen, S. A., Schattling, P. S., Zhang, Y., & Städler, B. (2017) · Nanoscale · doi:10.1039/c7nr06821b · Cited by 31
Structural analysis of bottlebrush block copolymer micelles using small-angle X-ray Scattering
Kim, S., Cho, Y., Kim, J. H., Song, S., Lim, J., Choi, S.-H., & Char, K. (2020) · ACS Macro Letters · doi:10.1021/acsmacrolett.0c00442 · Cited by 14
Metadata
- Authors
- Fenyves, R., Schmutz, M., Horner, I. J., Bright, F. V., & Rzayev, J.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2014-05-12
- Volume
- 136
- Issue
- 21
- Pages
- 7762-7770
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2327227196
- Cited by
- 248
- References
- 5
- FWCI
- 8.24
- Type
- journal article
- Language
- en
- Open access
- closed
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