SURFACE PRESSURE-INDUCED LAYER GROWTH OF A MONOLAYER AT THE AIR-WATER-INTERFACE

被引:7
作者
FANG, JY [1 ]
UPHAUS, RA [1 ]
机构
[1] IOWA STATE UNIV SCI & TECHNOL,AMES LAB,AMES,IA 50011
关键词
D O I
10.1021/la00016a008
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Spread monolayers containing a nematic liquid crystal and stearic acid were characterized at various mole fractions by determination of surface pressure-area isotherms at the air-water interface. The surface-composition phase diagrams indicate that compression induces a new phase transition in the films, which changes from a mixed monolayer to a supermonomolecular system. X-ray diffraction and optical absorption spectra demonstrate that the supermolecular array consists of an island liquid crystal monolayer and a uniform stearic acid monolayer.
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页码:1005 / 1007
页数:3
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