Dynamics of Drop Impact Against Surfaces Covered with Langmuir-Blodgett Layers

被引:0
|
作者
Goncalves, Natalia [1 ]
Miranda, Paulo B. [2 ]
Sabadini, Edvaldo [1 ]
机构
[1] Univ Estadual Campinas UNICAMP, Inst Quim, Dept Quim Fis, BR-13083970 Campinas, SP, Brazil
[2] Univ Sao Paulo, Inst Fis Sao Carlos, POB 369, BR-13560970 Sao Carlos, SP, Brazil
基金
巴西圣保罗研究基金会;
关键词
erosion of monolayers; sum-frequency vibrational spectroscopy; wettability; VIBRATIONAL SPECTROSCOPY; STEARIC-ACID; MULTILAYERS;
D O I
10.5935/0103-5053.20150248
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The dynamics of sucessive impacts of water droplets against flat glass surfaces covered by Langmuir-Blodgett films of zinc stearate with 1, 3, 5 and 7 layers was investigated. The structure and resistance of monolayers to the impact was evaluated by using fast images of the drop deformation, Brewster angle microscopy (BAM) and contact angle measurements. Eventual disruption (erosion) of the layers was investigated by using sum-frequency vibrational spectroscopy (SFG).
引用
收藏
页码:314 / 320
页数:7
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