3D observation of microphase-separated structures of a block copolymer in thin film

Ken Ichi Niihara; Ukyo Matsuwaki; Yukihiro Nishikawa; Hiroshi Jinnai; Naoya Torikai; Toshio Nishi

3D observation of microphase-separated structures of a block copolymer in thin film

Ken Ichi Niihara, Ukyo Matsuwaki, Yukihiro Nishikawa, Hiroshi Jinnai, Naoya Torikai, Toshio Nishi

Research output: Contribution to conference › Paper › peer-review

Abstract

Microphase-separated structures of a Poly(deuterated styrene-block-2- vinylpyridine) (dPS-b-P2VP) thin films were studied by transmission electron microtomography (TEMT) and neutron reflectivity (NR). Note that the dPS-b-P2VP shows cylindrical morphology in bulk state. The thin films were prepared by spin-coating on a Si substrate, and then annealed at 170°C for 14 days before the TEMT and NR experiments. Three-dimensional (3D) volume data was obtained by TEMT. The concentration profile of dPS in direction perpendicular to the substrate, i.e. depth profiles, was independently obtained from 3D volume data and from NR. Furthermore, the concentration profile obtained by TEMT was used as an initial guess in a model fitting of reflectivity profile. We examine the validity of such model fitting in the reflectivity measurements.

Original language	English
Number of pages	1
Publication status	Published - 2006 Oct 19
Externally published	Yes
Event	55th SPSJ Annual Meeting - Nagoya, Japan Duration: 2006 May 24 → 2006 May 26

Other

Other	55th SPSJ Annual Meeting
Country	Japan
City	Nagoya
Period	06/5/24 → 06/5/26

Keywords

Block Copolymer
Neutron Reflectivity
Thin film(s)
Transmission Electron Microtomography

ASJC Scopus subject areas

Engineering(all)

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title = "3D observation of microphase-separated structures of a block copolymer in thin film",

abstract = "Microphase-separated structures of a Poly(deuterated styrene-block-2- vinylpyridine) (dPS-b-P2VP) thin films were studied by transmission electron microtomography (TEMT) and neutron reflectivity (NR). Note that the dPS-b-P2VP shows cylindrical morphology in bulk state. The thin films were prepared by spin-coating on a Si substrate, and then annealed at 170°C for 14 days before the TEMT and NR experiments. Three-dimensional (3D) volume data was obtained by TEMT. The concentration profile of dPS in direction perpendicular to the substrate, i.e. depth profiles, was independently obtained from 3D volume data and from NR. Furthermore, the concentration profile obtained by TEMT was used as an initial guess in a model fitting of reflectivity profile. We examine the validity of such model fitting in the reflectivity measurements.",

keywords = "Block Copolymer, Neutron Reflectivity, Thin film(s), Transmission Electron Microtomography",

author = "Niihara, {Ken Ichi} and Ukyo Matsuwaki and Yukihiro Nishikawa and Hiroshi Jinnai and Naoya Torikai and Toshio Nishi",

year = "2006",

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language = "English",

note = "55th SPSJ Annual Meeting ; Conference date: 24-05-2006 Through 26-05-2006",

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T1 - 3D observation of microphase-separated structures of a block copolymer in thin film

AU - Niihara, Ken Ichi

AU - Matsuwaki, Ukyo

AU - Nishikawa, Yukihiro

AU - Jinnai, Hiroshi

AU - Torikai, Naoya

AU - Nishi, Toshio

PY - 2006/10/19

Y1 - 2006/10/19

N2 - Microphase-separated structures of a Poly(deuterated styrene-block-2- vinylpyridine) (dPS-b-P2VP) thin films were studied by transmission electron microtomography (TEMT) and neutron reflectivity (NR). Note that the dPS-b-P2VP shows cylindrical morphology in bulk state. The thin films were prepared by spin-coating on a Si substrate, and then annealed at 170°C for 14 days before the TEMT and NR experiments. Three-dimensional (3D) volume data was obtained by TEMT. The concentration profile of dPS in direction perpendicular to the substrate, i.e. depth profiles, was independently obtained from 3D volume data and from NR. Furthermore, the concentration profile obtained by TEMT was used as an initial guess in a model fitting of reflectivity profile. We examine the validity of such model fitting in the reflectivity measurements.

AB - Microphase-separated structures of a Poly(deuterated styrene-block-2- vinylpyridine) (dPS-b-P2VP) thin films were studied by transmission electron microtomography (TEMT) and neutron reflectivity (NR). Note that the dPS-b-P2VP shows cylindrical morphology in bulk state. The thin films were prepared by spin-coating on a Si substrate, and then annealed at 170°C for 14 days before the TEMT and NR experiments. Three-dimensional (3D) volume data was obtained by TEMT. The concentration profile of dPS in direction perpendicular to the substrate, i.e. depth profiles, was independently obtained from 3D volume data and from NR. Furthermore, the concentration profile obtained by TEMT was used as an initial guess in a model fitting of reflectivity profile. We examine the validity of such model fitting in the reflectivity measurements.

KW - Block Copolymer

KW - Neutron Reflectivity

KW - Thin film(s)

KW - Transmission Electron Microtomography

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T2 - 55th SPSJ Annual Meeting

Y2 - 24 May 2006 through 26 May 2006

ER -

3D observation of microphase-separated structures of a block copolymer in thin film

Abstract

Other

Keywords

ASJC Scopus subject areas

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