Cited by 255Block Copolymer Self-AssemblyPolymer crystallization and propertiesAdvanced Polymer Synthesis and Characterization

Interfacial segregation in disordered block copolymers: Effect of tunable surface potentials

Mansky, P., Russell, T. P., Hawker, C. J., Mays, J., Cook, D. C., Satija, S. K.·1997·Physical Review Letters

Abstract

The response of disordered P(d-S-b-MMA) diblock copolymers to variable strength surface fields has been studied by neutron reflectivity. Surface interactions were controlled by end grafting P(S-r-MMA) random copolymers with various styrene contents onto Si substrates. The degree interfacial segregation of the block copolymer was proportional to the surface potential. A first-order transition in the degree of segregation was observed as the brush composition was varied. Conditions were found which yielded neutral boundary conditions simultaneously at the vacuum and substrate interfaces.

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Crossref · 10.1103/physrevlett.79.237

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  • The neutral surface (γPS-Air ≈ γPMMA-Air) could be achieved with thermally annealed PS-b-PMMA at 225 °C in air.

    “Hawker et al. reported that the neutral surface (γPS-Air ≈ γPMMA-Air) could be achieved with thermally annealed PS-b-PMMA at 225 °C in air [121].”

    From Block Copolymers: Synthesis, Self-Assembly, and Applications (2017) · cites this paper as [121]

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Authors
Mansky, P., Russell, T. P., Hawker, C. J., Mays, J., Cook, D. C., & Satija, S. K.
Affiliations
  • University of Massachusetts Amherst (US)
  • IBM Research - Almaden (US)
  • University of Alabama at Birmingham (US)
  • National Institute of Standards and Technology (US)
Venue
Physical Review Letters
Published
1997-07-14
Volume
79
Issue
2
Pages
237-240
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W2090930324
Cited by
255
References
25
Citations by year
2026: 2 · 2025: 9 · 2024: 5 · 2023: 9 · 2022: 3 · 2021: 8 · 2020: 5 · 2019: 10 · 2018: 9 · 2017: 12 · 2016: 14 · 2015: 22 · 2014: 11 · 2013: 18 · 2012: 7
FWCI
6.20
Type
journal article
Language
en
Open access
closed
Locations
Physical Review Letters (publishedVersion)
Topics
  • Physical Sciences › Materials Science › Materials Chemistry › Block Copolymer Self-Assembly
  • Physical Sciences › Materials Science › Polymers and Plastics › Polymer crystallization and properties
  • Physical Sciences › Chemistry › Organic Chemistry › Advanced Polymer Synthesis and Characterization
Keywords
interfacial segregation, surface potential, surface electric field, random copolymers, polymer brushes, first-order phase transition, boundary conditions, neutron reflectometry

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