Enhancement in the Orientation of the Microdomain in Block Copolymer Thin Films upon the Addition of Homopolymer

Unyong Jeong; Du Yeol Ryu; Dong Han Kho; Jin Kon Kim; James T. Goldbach; Dong Ha Kim; Thomas P. Russell

doi:10.1002/adma.200306113

Enhancement in the Orientation of the Microdomain in Block Copolymer Thin Films upon the Addition of Homopolymer

Unyong Jeong, Du Yeol Ryu, Dong Han Kho, Jin Kon Kim, James T. Goldbach, Dong Ha Kim, Thomas P. Russell

Department of Chemical and Biomolecular Engineering

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

144 Citations (Scopus)

Abstract

The increase in the orientation of the nanodomains in block copolymer thin films upon the addition of homopolymer was studied. Scanning electron microscopy (SEM) images of thin films of two different polystyrene-block-poly(methyl methaacrylate) copolymers (PS-b-PMMA) were shown. It was found that increasing the film thickness causes the orientation of the microdomains to deteriorate. Field-emission SEM (FE-SEM) images show a hexagonal packing of the cylindrical microdomains at the surface of the film, even for a 300 nm thick film.

Original language	English
Pages (from-to)	533-536
Number of pages	4
Journal	Advanced Materials
Volume	16
Issue number	6
DOIs	https://doi.org/10.1002/adma.200306113
Publication status	Published - 2004 Mar 18

All Science Journal Classification (ASJC) codes

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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10.1002/adma.200306113

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abstract = "The increase in the orientation of the nanodomains in block copolymer thin films upon the addition of homopolymer was studied. Scanning electron microscopy (SEM) images of thin films of two different polystyrene-block-poly(methyl methaacrylate) copolymers (PS-b-PMMA) were shown. It was found that increasing the film thickness causes the orientation of the microdomains to deteriorate. Field-emission SEM (FE-SEM) images show a hexagonal packing of the cylindrical microdomains at the surface of the film, even for a 300 nm thick film.",

author = "Unyong Jeong and Ryu, {Du Yeol} and Kho, {Dong Han} and Kim, {Jin Kon} and Goldbach, {James T.} and Kim, {Dong Ha} and Russell, {Thomas P.}",

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AU - Jeong, Unyong

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AU - Kho, Dong Han

AU - Kim, Jin Kon

AU - Goldbach, James T.

AU - Kim, Dong Ha

AU - Russell, Thomas P.

PY - 2004/3/18

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AB - The increase in the orientation of the nanodomains in block copolymer thin films upon the addition of homopolymer was studied. Scanning electron microscopy (SEM) images of thin films of two different polystyrene-block-poly(methyl methaacrylate) copolymers (PS-b-PMMA) were shown. It was found that increasing the film thickness causes the orientation of the microdomains to deteriorate. Field-emission SEM (FE-SEM) images show a hexagonal packing of the cylindrical microdomains at the surface of the film, even for a 300 nm thick film.

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Enhancement in the Orientation of the Microdomain in Block Copolymer Thin Films upon the Addition of Homopolymer

Abstract

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