The effect of sharp solid edges on the droplet wettability

Z Wang, K Lin, YP Zhao - Journal of colloid and interface science, 2019 - Elsevier
Understanding the role of pinning force in droplet dynamic wetting is of critical importance
for surface science studies. Generally, the pinning force is only related to the surface tension …

Determination of contact angle of droplet on convex and concave spherical surfaces

D Wu, P Wang, P Wu, Q Yang, F Liu, Y Han, F Xu… - Chemical Physics, 2015 - Elsevier
Experimentally measuring the apparent contact angle on a curved surface usually requires a
specific instrument, which could be costly and is not widely accessible. To address this …

Recent progress in experiments for sessile droplet wetting on structured surfaces

J Ren, F Duan - Current Opinion in Colloid & Interface Science, 2021 - Elsevier
Wetting of a sessile droplet on structured or patterned surface can be found in a broad range
of applications. The researchers have been promoted to keep working on the topic. The …

Contact angle and local wetting at contact line

R Li, Y Shan - Langmuir, 2012 - ACS Publications
This theoretical study was motivated by recent experiments and theoretical work that had
suggested the dependence of the static contact angle on the local wetting at the triple-phase …

[HTML][HTML] Single droplet on micro square-post patterned surfaces–theoretical model and numerical simulation

YQ Zu, YY Yan - Scientific reports, 2016 - nature.com
In this study, the wetting behaviors of single droplet on a micro square-post patterned
surface with different geometrical parameters are investigated theoretically and numerically …

The pinning dynamics of a non-wetting droplet penetrating a permeable substrate

H Song, J Lao, H Yang, B Pan, L Liu, C Xie - Physics of Fluids, 2023 - pubs.aip.org
The contact line pinning mechanisms of a non-wetting droplet penetrating a permeable
substrate are theoretically explained by considering the force balance of volumetric force …

[HTML][HTML] Molecular origin of contact line stick-slip motion during droplet evaporation

FC Wang, HA Wu - Scientific reports, 2015 - nature.com
Understanding and controlling the motion of the contact line is of critical importance for
surface science studies as well as many industrial engineering applications. In this work, we …

Droplet and bubble wetting behaviors: The roles of surface wettability and roughness

Y Xiao, J Zheng, Y He, L Wang - Colloids and Surfaces A: Physicochemical …, 2022 - Elsevier
Droplet and bubble wettability are important parameters for characterizing the wetting
propensity of solid surface. Recent studies have shown significant differences between the …

Understanding the edge effect in wetting: a thermodynamic approach

G Fang, A Amirfazli - Langmuir, 2012 - ACS Publications
Edge effect is known to hinder spreading of a sessile drop. However, the underlying
thermodynamic mechanisms responsible for the edge effect still is not well-understood. In …

Characterization of intermediate wetting states on micro-grooves by water droplet contact line

CT Cheng, S To, G Zhang - Journal of Industrial and Engineering Chemistry, 2020 - Elsevier
The wetting state of a water droplet remarkably affecting its sliding behavior is characterized
by the droplet boundary contact line. This paper presents experimental studies of the …