STUDIES ON THE INTERFACES OF MICROPHASE-SEPARATED STRUCTURES OF BLOCK-COPOLYMERS BY NEUTRON REFLECTIVITY

被引：11
|
作者：
TORIKAI, N [1 ]
MATSUSHITA, Y [1 ]
NODA, I [1 ]
KARIM, A [1 ]
SATIJA, SK [1 ]
HAN, CC [1 ]
机构：
[1] NATL INST STAND & TECHNOL,GAITHERSBURG,MD 20899
来源：
PHYSICA B | 1995年 / 213卷
关键词：
D O I：
10.1016/0921-4526(95)00252-5
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Segment distributions in lamellar microphase-separated structures of three partially deuterium-labeled poly(styrene-b-2-vinylpyridine)s were investigated by neutron reflectivity measurement. By fitting the calculated reflectivity profiles to the experimental one, it was clarified that the lamellar microdomains preferentially oriented parallel to the film surface and that the thickness of the lamellar interface was about 35 Angstrom. Also, it was found that the segments in the vicinity of the chemical junction points between two blocks were localized strongly near the lamellar interface, while the segments on the free ends were localized at the center of the lamellar microdomains with fairly wide distribution.
引用
收藏
页码：694 / 696
页数：3
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