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  • 09월 04일 13시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능

Long-Range Order in Block Copolymer Thin Films

등록일
2009년 8월 6일 14시 26분 38초
접수번호
0086
발표코드
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발표시간
금 16시 : 40분
발표형식
심포지엄
발표분야
고분자화학 - Novel Functional Nanostructures: ㅡ Materials, Structures, Properties and Applications Ⅱ
저자 및
공동저자
박수진
울산과학기술대학교 에너지공학부, Korea
Controlling the orientation and ordering of the block copolymer (BCP) microdomains in thin films is essential to their use as templates and scaffolds for the fabrication of nanostructured materials. In addition, a process must be robust, simple to implement, and rapid, and should not introduce disruptive processing steps that would impede their use. Here, we describe that thin films of poly(styrene-b-4-vinylpyridine) (PS-b-P4VP) and poly(styrene-b-ethylene oxide) (PS-b-PEO) BCP films show highly oriented, cylindrical microdomains with a high degree of lateral order on a silicon substrate. In addition, the preferential solvation of the P4VP or PEO block with an ethanol caused a surface reconstruction that resulted in the formation of a nanoporous film upon drying. Highly ordered cylindrical microdomains are characterized by scanning force microscope (SFM) and grazing incidence small angle X-ray scattering (GISAXS).

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