INHOMOGENEITIES OF PHASE-SEPARATED LANGMUIR-BLODGETT-FILMS STUDIED BY ATOMIC-FORCE MICROSCOPY

被引：13
|
作者：
CHI, LF [1 ]
FUCHS, H [1 ]
JOHNSTON, RR [1 ]
RINGSDORF, H [1 ]
机构：
[1] JOHANNES GUTENBERG,INST ORGAN CHEM,D-55128 MAINZ,GERMANY
来源：
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B | 1994年 / 12卷 / 03期
关键词：
D O I：
10.1116/1.587681
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Micromorphology of phase separated Langmuir-Blodgett (LB) films is investigated by atomic force microscopy from submicrometer scale up to 100 mum scale. Several novel phenomena are revealed: (a) the existence of grains with the size of 20-100 nm in diameter in the liquid expanded phase; (b) the existence of a rough domain boundary with fingerlike structures and (c) an inhomogeneous distribution of holelike defects in the liquid condensed domains. Aging effects are studied systematically, which give the hint for the existence of water on transferred LB films. The results are relevant to the understanding of the early stages of the domain formation and the two-dimensional nucleation processes.
引用
收藏
页码：1967 / 1972
页数：6
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