Cited by 97Block Copolymer Self-AssemblyAdvanced Polymer Synthesis and CharacterizationPolymer crystallization and properties

Probing the Structure of the Crystalline Core of Field-Aligned, Monodisperse, Cylindrical Polyisoprene-block-Polyferrocenylsilane Micelles in Solution Using Synchrotron Small- and Wide-Angle X-ray Scattering

Gilroy, Joe B., Rupar, Paul A., Whittell, George R., Chabanne, Laurent, Terrill, Nicholas J., Winnik, Mitchell A., Manners, Ian, Richardson, Robert M.·2011·Journal of the American Chemical Society

Abstract

The self-assembly of block copolymers in selective solvents represents a powerful approach to functional core-shell nanoparticles. Crystallization of the core can play a critical role in directing self-assembly toward desirable, nonspherical morphologies with low mean interfacial curvature. Moreover, epitaxial growth processes have been implicated in recent advances that permit access to monodisperse cylinders, cylindrical block comicelles with segmented cores and/or coronas, and complex hierarchical architectures. However, how the core-forming block crystallizes in an inherently curved nanoscopic environment has not been resolved. Herein we report the results of synchrotron small-angle X-ray scattering (SAXS) and wide-angle X-ray scattering (WAXS) studies of well-defined, monodisperse crystalline-coil polyisoprene-block-polyferrocenylsilane cylindrical micelles aligned in an electric field. WAXS studies of the aligned cylinders have provided key structural information on the nature of the PFS micelle core together with insight into the role of polymer crystallinity in the self-assembly of these and potentially related crystalline-coil block copolymers.

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Crossref · 10.1021/ja207417z

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Authors
Gilroy, J. B., Rupar, P. A., Whittell, G. R., Chabanne, L., Terrill, N. J., Winnik, M. A., Manners, I., & Richardson, R. M.
Affiliations
  • University of Bristol (GB)
  • Diamond Light Source (GB)
  • University of Toronto (CA)
  • School of Chemistry, University of Bristol, Bristol, United Kingdom, BS8 1TS
Corresponding author
  • Winnik, Mitchell A.
  • Richardson, Robert M.
Venue
Journal of the American Chemical Society
Published
2011-09-30
Volume
133
Issue
42
Pages
17056-17062
ISSN
  • 0002-7863 (ISSN-L)
  • 1520-5126
OpenAlex
W1990943133
Cited by
97
References
94
Citations by year
2026: 1 · 2025: 6 · 2024: 2 · 2023: 5 · 2022: 6 · 2021: 9 · 2020: 2 · 2019: 9 · 2018: 8 · 2017: 8 · 2016: 12 · 2015: 6 · 2014: 6 · 2013: 10 · 2012: 7
FWCI
3.61
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of the American Chemical Society (publishedVersion)
  • PubMed (publishedVersion)
  • Bristol Research (University of Bristol) (submittedVersion)
  • Explore Bristol Research (submittedVersion)
Topics
  • Physical Sciences › Materials Science › Materials Chemistry › Block Copolymer Self-Assembly
  • Physical Sciences › Chemistry › Organic Chemistry › Advanced Polymer Synthesis and Characterization
  • Physical Sciences › Materials Science › Polymers and Plastics › Polymer crystallization and properties
Keywords
block copolymer self-assembly, cylindrical micelles, field alignment, polymer crystallization, core-shell nanoparticles, epitaxial growth, polymer crystallinity

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