Temperature dependence of phase-separated interface for a diblock copolymer thin film

Naoya Torikai; Daisuke Kawaguchi; Atsushi Takano; Yushu Matsushita; Robert Dalgliesh; Sean Langridge

Temperature dependence of phase-separated interface for a diblock copolymer thin film

Naoya Torikai, Daisuke Kawaguchi, Atsushi Takano, Yushu Matsushita, Robert Dalgliesh, Sean Langridge

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Interfacial structure of a styrene-d8-2-vinylpyridine diblock copolymer thin film with lamellar microdomain was investigated by neutron reflectivity (NR) measurement at different temperatures above Tg of the component polymer. The thin film specimen was prepared by spin-coating method, and then annealed at 170°C in vacuum during more than one week before NR measurement. The observed specular reflectivity profiles exhibit several Bragg peaks up to high order, implying that the lamellar structure keeps highly-ordered state and preferential orientation along the direction parallel to the film surface even at high temperature above Tg. Further, it was found that the lamellar domain size as well as film total thickness was increased at the high temperature.

Original language	English
Title of host publication	54th SPSJ Annual Meeting 2005 - Polymer Preprints, Japan
Pages	984
Number of pages	1
Volume	54
Edition	1
Publication status	Published - 2005
Externally published	Yes
Event	54th SPSJ Annual Meeting 2005 - Yokohama, Japan Duration: May 25 2005 → May 27 2005

Other

Other	54th SPSJ Annual Meeting 2005
Country	Japan
City	Yokohama
Period	5/25/05 → 5/27/05

All Science Journal Classification (ASJC) codes

Engineering(all)

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Temperature dependence of phase-separated interface for a diblock copolymer thin film. / Torikai, Naoya; Kawaguchi, Daisuke; Takano, Atsushi; Matsushita, Yushu; Dalgliesh, Robert; Langridge, Sean.

54th SPSJ Annual Meeting 2005 - Polymer Preprints, Japan. Vol. 54 1. ed. 2005. p. 984.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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abstract = "Interfacial structure of a styrene-d8-2-vinylpyridine diblock copolymer thin film with lamellar microdomain was investigated by neutron reflectivity (NR) measurement at different temperatures above Tg of the component polymer. The thin film specimen was prepared by spin-coating method, and then annealed at 170°C in vacuum during more than one week before NR measurement. The observed specular reflectivity profiles exhibit several Bragg peaks up to high order, implying that the lamellar structure keeps highly-ordered state and preferential orientation along the direction parallel to the film surface even at high temperature above Tg. Further, it was found that the lamellar domain size as well as film total thickness was increased at the high temperature.",

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AU - Torikai, Naoya

AU - Kawaguchi, Daisuke

AU - Takano, Atsushi

AU - Matsushita, Yushu

AU - Dalgliesh, Robert

AU - Langridge, Sean

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AB - Interfacial structure of a styrene-d8-2-vinylpyridine diblock copolymer thin film with lamellar microdomain was investigated by neutron reflectivity (NR) measurement at different temperatures above Tg of the component polymer. The thin film specimen was prepared by spin-coating method, and then annealed at 170°C in vacuum during more than one week before NR measurement. The observed specular reflectivity profiles exhibit several Bragg peaks up to high order, implying that the lamellar structure keeps highly-ordered state and preferential orientation along the direction parallel to the film surface even at high temperature above Tg. Further, it was found that the lamellar domain size as well as film total thickness was increased at the high temperature.

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