芘与硬脂酸混合物在气-水界面上的单分子膜特性
Monolayer Characteristics of Pyrene Mixed with Stearic Acid at the Air-Water Interface
摘要：
在本文中，我们报告了芘与硬脂酸（SA）混合在空气-水界面上的单层特征。通过记录和分析芘-SA混合膜的表面压力-每分子面积等温线（pi-A），研究了单分子膜的性质。结果表明，芘和水杨酸在混合单分子膜中是互溶的。这种相容性/非理想性导致组成组分（芘和SA）之间的相分离。混合单分子层的BAM图像证实了混合单分子层中的非理想混合。
英文摘要：
In the present communication we report the monolayer characteristics of pyrene mixed with stearic acid (SA) at the air-water interface. The monolayer properties are investigated by recording and analyzing the surface pressure-area per molecule isotherm (pi-A) of the pyrene-SA mixed films. It is observed that the pyrene and SA are miscible in the mixed monolayer. This miscibility/nonideality leads to phase separation between the constituent components (pyrene and SA). BAM image of the mixed monolayer confirms the miscibility or nonideal mixing at the mixed monolayer.
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