Stable Oleoplaned Slippery Surfaces on Biomimetically Patterned Templates

With the advent of the technology of the oleoplaned slippery surfaces as the better solution to self-cleaning, anti fouling and self-healing smart surfaces, the stability of the oil layer on the surfaces has caught a great deal of attention from the research community. Rose petals irrespective of it...

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Bibliographic Details
Published in:arXiv.org 2018-12
Main Authors: Bandyopadhyay, Saumyadwip, Sriram, S M, Das, Anuja, Mukherjee, Rabibrata, Chakraborty, Suman
Format: Article
Language:English
Subjects:
Actuation
Adhesion
Cleaning
Droplets
Film thickness
Hydrophobicity
Maintenance management
Microfluidics
Self healing materials
Structural hierarchy
Surface stability
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Summary:With the advent of the technology of the oleoplaned slippery surfaces as the better solution to self-cleaning, anti fouling and self-healing smart surfaces, the stability of the oil layer on the surfaces has caught a great deal of attention from the research community. Rose petals irrespective of its superhydrophobic nature exhibits a very high adhesion owing to the hierarchical structures and can thus serve as an excellent surface to obtain a stable oil film. Also, with gradual covering of the rose petal structures by the oil the change in the adhesion force is observed to decrease and an increase in the film thickness beyond a certain height causes cloaking of the droplet and thus presents us with an optimum thickness which can give us a stable oil film and also exhibit high degree of slipperiness. The findings can be applied for further applications in droplet based microfluidics, as a low energy actuation surface, or as a self-healing and self-cleaning surface.
ISSN:2331-8422