Phase separation of ultrathin polymer-blend films on patterned substrates

A. Karim; J. F. Douglas; B. P. Lee; S. C. Glotzer; J. A. Rogers; R. J. Jackman; E. J. Amis; G. M. Whitesides

doi:10.1103/PhysRevE.57.R6273

Phase separation of ultrathin polymer-blend films on patterned substrates

A. Karim, J. F. Douglas, B. P. Lee, S. C. Glotzer, J. A. Rogers, R. J. Jackman, E. J. Amis, G. M. Whitesides

Materials Science and Engineering

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

Abstract

The phase separation of ultrathin polymer-blend films of polystyrene and polybutadiene on microcontact printed alkanethiol patterns with hydrophobic and hydrophilic end groups (-CH₃ and -COOH) is investigated by atomic force microscopy. Simulations suggest that the phase-separation morphology can be controlled through patterns that modulate the polymer-surface interaction, and this concept is verified experimentally. Length scale pattern control is found to be limited to a scale on the order of a few micrometers.

Original language	English (US)
Pages (from-to)	R6273-R6276
Journal	Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
Volume	57
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevE.57.R6273
State	Published - 1998

ASJC Scopus subject areas

Statistical and Nonlinear Physics
Statistics and Probability
Condensed Matter Physics

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10.1103/PhysRevE.57.R6273

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abstract = "The phase separation of ultrathin polymer-blend films of polystyrene and polybutadiene on microcontact printed alkanethiol patterns with hydrophobic and hydrophilic end groups (-CH3 and -COOH) is investigated by atomic force microscopy. Simulations suggest that the phase-separation morphology can be controlled through patterns that modulate the polymer-surface interaction, and this concept is verified experimentally. Length scale pattern control is found to be limited to a scale on the order of a few micrometers.",

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AU - Karim, A.

AU - Douglas, J. F.

AU - Lee, B. P.

AU - Glotzer, S. C.

AU - Rogers, J. A.

AU - Jackman, R. J.

AU - Amis, E. J.

AU - Whitesides, G. M.

PY - 1998

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AB - The phase separation of ultrathin polymer-blend films of polystyrene and polybutadiene on microcontact printed alkanethiol patterns with hydrophobic and hydrophilic end groups (-CH3 and -COOH) is investigated by atomic force microscopy. Simulations suggest that the phase-separation morphology can be controlled through patterns that modulate the polymer-surface interaction, and this concept is verified experimentally. Length scale pattern control is found to be limited to a scale on the order of a few micrometers.

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Phase separation of ultrathin polymer-blend films on patterned substrates

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