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View article: Self-Accelerating Drops on Silicone-Based Super Liquid-Repellent Surfaces
Self-Accelerating Drops on Silicone-Based Super Liquid-Repellent Surfaces Open
Design of super liquid-repellent surfaces has relied on an interplay between surface topography and surface energy. Perfluoroalkylated materials are often used, but they are environmentally unsustainable and notorious for building up stati…
View article: <i>In situ</i> error analysis in contact angle goniometry
<i>In situ</i> error analysis in contact angle goniometry Open
We developed a method for calculating error estimates for contact angles, which will enable comparison between research groups more accurately and increase robustness of contact angle measurements.
View article: Super‐Droplet‐Repellent Carbon‐Based Printable Perovskite Solar Cells
Super‐Droplet‐Repellent Carbon‐Based Printable Perovskite Solar Cells Open
Despite attractive cost‐effectiveness, scalability, and superior stability, carbon‐based printable perovskite solar cells (CPSCs) still face moisture‐induced degradation that limits their lifespan and commercial potential. Here, the moistu…
View article: Toward vanishing droplet friction on repellent surfaces
Toward vanishing droplet friction on repellent surfaces Open
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 further minimize resistance to motion and energy loss …
View article: Super-droplet-repellent carbon-based printable perovskite solar cells
Super-droplet-repellent carbon-based printable perovskite solar cells Open
Despite attractive cost-effectiveness, scalability, and superior stability, carbon-based printable perovskite solar cells (CPSCs) still face moisture-induced degradation that limits their lifespan and commercial potential. Here, we investi…
View article: Droplet Probe for Characterization of Advancing and Receding Contact Angles of Single Fibers
Droplet Probe for Characterization of Advancing and Receding Contact Angles of Single Fibers Open
Characterizing the wetting properties of fibers is crucial for many research and industry applications, including textiles for water-oil separation and composite materials. Those fibers are often soft, typically tens of micrometers in diam…
View article: Probing surface wetting across multiple force, length and time scales
Probing surface wetting across multiple force, length and time scales Open
View article: Oscillating droplet tribometer for sensitive and reliable wetting characterization of superhydrophobic surfaces
Oscillating droplet tribometer for sensitive and reliable wetting characterization of superhydrophobic surfaces Open
Accurate wetting characterization is crucial for the development of next‐generation superhydrophobic surfaces. Traditionally, wetting properties are measured with a contact angle goniometer (CAG) suitable for a broad range of surfaces. How…
View article: Inside Back Cover, Volume 1, Number 1, July 2022
Inside Back Cover, Volume 1, Number 1, July 2022 Open
Inside Back Cover: The cover image is based on the Research Article Oscillating droplet tribometer for sensitive and reliable wetting characterization of superhydrophobic surfaces by Junaid et al.
View article: 3D Printing of Superhydrophobic Objects with Bulk Nanostructure
3D Printing of Superhydrophobic Objects with Bulk Nanostructure Open
The rapid development of 3D printing (or additive manufacturing) technologies demands new materials with novel properties and functionalities. Superhydrophobic materials, owing to their ultralow water adhesion, self‐cleaning, anti‐biofouli…
View article: Force‐Based Wetting Characterization of Stochastic Superhydrophobic Coatings at Nanonewton Sensitivity
Force‐Based Wetting Characterization of Stochastic Superhydrophobic Coatings at Nanonewton Sensitivity Open
Superhydrophobic coatings have extraordinary properties like self‐cleaning and staying dry, and have recently appeared on industrial and consumer markets. The stochastic nature of the coating components and coating processes (e.g., sprayin…
View article: Viscosity-enhanced droplet motion in sealed superhydrophobic capillaries
Viscosity-enhanced droplet motion in sealed superhydrophobic capillaries Open
The general rule that viscosity slows droplet motion fails for a droplet in a superhydrophobic tube closed in one or both ends.
View article: Water droplet friction and rolling dynamics on superhydrophobic surfaces
Water droplet friction and rolling dynamics on superhydrophobic surfaces Open
View article: Improving surface-wetting characterization
Improving surface-wetting characterization Open
Awareness of instrument inaccuracies will boost the development of liquid-repellent coatings
View article: Uncertainties in contact angle goniometry
Uncertainties in contact angle goniometry Open
Contact angle measurements on superhydrophobic surfaces can have uncertainties of many degrees due to difficulties in positioning the baseline. The uncertainty depends on the goniometer image resolution.
View article: A Short-Chain Multibranched Perfluoroalkyl Thiol for More Sustainable Hydrophobic Coatings
A Short-Chain Multibranched Perfluoroalkyl Thiol for More Sustainable Hydrophobic Coatings Open
Perfluorocarbons (PFCs) have proven to be very efficient in building up omniphobic surfaces because of the peculiar properties of fluorine atoms. However, due to their environmental impact and bioaccumulative potential, perfluorinated surf…
View article: Publisher Correction: Mapping microscale wetting variations on biological and synthetic water-repellent surfaces
Publisher Correction: Mapping microscale wetting variations on biological and synthetic water-repellent surfaces Open
The original version of this Article contained an error in Fig. 2b. The y -axis label in Fig. 2b was incorrectly labelled ‘Snap-in force (μN)’. In the correct version, the axis is labelled ‘Snap-in force (nN)’. In the original version of t…
View article: Mapping microscale wetting variations on biological and synthetic water-repellent surfaces
Mapping microscale wetting variations on biological and synthetic water-repellent surfaces Open
View article: Oscillating Ferrofluid Droplet Microrheology of Liquid-Immersed Sessile Droplets
Oscillating Ferrofluid Droplet Microrheology of Liquid-Immersed Sessile Droplets Open
The damped oscillations of liquid-immersed ferrofluid sessile droplets were studied with high-speed imaging experiments and analytical modeling to develop a novel microrheology technique. Droplet oscillations were induced with an external …