Contact angle hysteresis

HJ Butt, J Liu, K Koynov, B Straub, C Hinduja… - Current Opinion in …, 2022 - Elsevier
In thermodynamic equilibrium, the contact angle is related by Young's equation to the
interfacial energies. Unfortunately, it is practically impossible to measure the equilibrium …

[HTML][HTML] Probing surface wetting across multiple force, length and time scales

D Daniel, M Vuckovac, M Backholm, M Latikka… - Communications …, 2023 - nature.com
Surface wetting is a multiscale phenomenon where properties at the macroscale are
determined by features at much smaller length scales, such as nanoscale surface …

How drops start sliding over solid surfaces

N Gao, F Geyer, DW Pilat, S Wooh, D Vollmer, HJ Butt… - Nature Physics, 2018 - nature.com
It has been known for more than 200 years that the maximum static friction force between
two solid surfaces is usually greater than the kinetic friction force—the force that is required …

Droplet impact on superhydrophobic surfaces: A review of recent developments

D Khojasteh, M Kazerooni, S Salarian… - Journal of industrial and …, 2016 - Elsevier
A comprehensive understanding of the dynamics of droplets undergoing collisions with solid
surfaces is required in a number of technological and industrial situations. Recently, a new …

Oleoplaning droplets on lubricated surfaces

D Daniel, JVI Timonen, R Li, SJ Velling, J Aizenberg - Nature Physics, 2017 - nature.com
Recently, there has been much interest in using lubricated surfaces to achieve extreme
liquid repellency: a foreign droplet immiscible with the underlying lubricant layer was shown …

Open problems in wetting phenomena: pinning retention forces

R Tadmor - Langmuir, 2021 - ACS Publications
We review existing explanations for drop pinning and the origin of the force required to
initiate the sliding of a drop on a solid surface (depinning). Theories that describe these …

Toward vanishing droplet friction on repellent surfaces

M Backholm, T Kärki, HA Nurmi… - Proceedings of the …, 2024 - National Acad Sciences
Superhydrophobic surfaces are often seen as frictionless materials, on which water is highly
mobile. Understanding the nature of friction for such water-repellent systems is central to …

[HTML][HTML] Physics of droplet impact on various substrates and its current advancements in interfacial science: A review

A Mohammad Karim - Journal of Applied Physics, 2023 - pubs.aip.org
Droplet impact dynamics is an interfacial phenomenon that is shown everywhere in nature
and is the underlying of numerous technological applications including bio-printing, tissue …

Scanning drop friction force microscopy

C Hinduja, A Laroche, S Shumaly, Y Wang, D Vollmer… - Langmuir, 2022 - ACS Publications
Wetting imperfections are omnipresent on surfaces. They cause contact angle hysteresis
and determine the wetting dynamics. Still, existing techniques (eg, contact angle …

Electrically controlled localized charge trapping at amorphous fluoropolymer–electrolyte interfaces

H Wu, R Dey, I Siretanu, D van den Ende, L Shui… - Small, 2020 - Wiley Online Library
Charge trapping is a long‐standing problem in electrowetting on dielectric, causing
reliability reduction and restricting its practical applications. Although this phenomenon is …