Strong-segregation theory of bicontinuous phases in block copolymers

Peter D. Olmsted; Scott T. Milner

doi:10.1103/PhysRevLett.72.936

Strong-segregation theory of bicontinuous phases in block copolymers

Peter D. Olmsted, Scott T. Milner

Research output: Contribution to journal › Article › peer-review

91 Scopus citations

Abstract

We compute phase diagrams for diblock copolymers in the strong-segregation regime as a function of volume fraction φ. We include the ordered bicontinuous double-diamond (OBDD) phase, which is found to be stable between cylinders and lamellae, consistent with experiment, for φ (or 1-φ) between 0.19 and 0.27. Our phase diagram relies on taking into account the hexagonal shape of the unit cell for the cylindrical phase, and the unique geometry of the OBDD phase.

Original language	English (US)
Pages (from-to)	936-939
Number of pages	4
Journal	Physical review letters
Volume	72
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevLett.72.936
State	Published - 1994

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1103/PhysRevLett.72.936

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abstract = "We compute phase diagrams for diblock copolymers in the strong-segregation regime as a function of volume fraction φ. We include the ordered bicontinuous double-diamond (OBDD) phase, which is found to be stable between cylinders and lamellae, consistent with experiment, for φ (or 1-φ) between 0.19 and 0.27. Our phase diagram relies on taking into account the hexagonal shape of the unit cell for the cylindrical phase, and the unique geometry of the OBDD phase.",

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AB - We compute phase diagrams for diblock copolymers in the strong-segregation regime as a function of volume fraction φ. We include the ordered bicontinuous double-diamond (OBDD) phase, which is found to be stable between cylinders and lamellae, consistent with experiment, for φ (or 1-φ) between 0.19 and 0.27. Our phase diagram relies on taking into account the hexagonal shape of the unit cell for the cylindrical phase, and the unique geometry of the OBDD phase.

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Strong-segregation theory of bicontinuous phases in block copolymers

Abstract

All Science Journal Classification (ASJC) codes

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