DOMAIN-STRUCTURES IN LANGMUIR-BLODGETT-FILMS INVESTIGATED BY ATOMIC FORCE MICROSCOPY

被引：217
|
作者：
CHI, LF
ANDERS, M
FUCHS, H
JOHNSTON, RR
RINGSDORF, H
机构：
[1] BASF AG,POLYMER RES LAB,ZKM-T-J543,W-6700 LUDWIGSHAFEN,GERMANY
[2] UNIV MAINZ,INST ORGAN CHEM,W-6500 MAINZ,GERMANY
来源：
SCIENCE | 1993年 / 259卷 / 5092期
关键词：
D O I：
10.1126/science.259.5092.213
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Investigations of phase-separated Langmuir-Blodgett films by atomic force microscopy reveal that on a scale of 30 to 200 micrometers, these images resemble those observed by fluorescence microscopy. Fine structures (less than 1 micrometer) within the stearic acid domains were observed, which cannot be seen by conventional optical microscopic techniques. By applying the force modulation technique, it was found that the elastic properties of the domains in the liquid condensed phase and grains observed within the liquid expanded phase were comparable. Small soft residues in the domains could also be detected. The influence of trace amounts of a fluorescence dye on the micromorphology of monolayers could be detected on transferred films.
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页码：213 / 216
页数：4
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