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

AUTOR(ES)

Gonçalves, Natália, Miranda, Paulo B., Sabadini, Edvaldo

FONTE

J. Braz. Chem. Soc.

DATA DE PUBLICAÇÃO

2016-02

RESUMO

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).

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