2-DIMENSIONAL MICELLE FORMATION OF POLYSTYRENE-POLY(VINYLPYRIDINE) DIBLOCK COPOLYMERS ON MICA SURFACES

被引：0
作者：
MEINERS, JC [1 ]
RITZI, A [1 ]
RAFAILOVICH, MH [1 ]
SOKOLOV, J [1 ]
MLYNEK, J [1 ]
KRAUSCH, G [1 ]
机构：
[1] SUNY STONY BROOK,DEPT MAT SCI & ENGN,STONY BROOK,NY 11794
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 1995年 / 61卷 / 05期
关键词：
D O I：
10.1007/s003390050234
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have used atomic force microscopy to study the adsorption of PolyStyrene-Poly(VinylPyridine) (PS-PVP) block copolymers from a selective solvent onto atomically smooth mica surfaces. At certain copolymer concentrations, we observe a highly regular array of spherical surface micelles covering macroscopic areas of the substrate surface. Evidence is given for a thin homogeneous layer underneath the micelles which is probably due to adsorption of free copolymer chains and brush formation prior to the formation of the micellar structures. We discuss the quality of the self-assembled structures regarding different types of defects and try to identify means for improving the long range pe riodicity of the structures.
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收藏
页码：519 / 524
页数：6
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