Wetting Dynamics on Solvophilic, Soft, Porous, and Responsive Surfaces

2021 ◽  
Vol 54 (2) ◽  
pp. 584-596
Author(s):  
Sai Ankit Etha ◽  
Parth Rakesh Desai ◽  
Harnoor Singh Sachar ◽  
Siddhartha Das
Keyword(s):  
Responsive Surfaces ◽  
Wetting Dynamics

Reactive Nanopattern in a Triple Structured Bio-Inspired Honeycomb Film as a Clickable Platform

2018 ◽  
Author(s):  
Pierre Marcasuzaa ◽  
Samuel Pearson ◽  
Karell Bosson ◽  
Laurence Pessoni ◽  
Jean-Charles Dupin ◽  
...  
Keyword(s):  
Self Assembly ◽  
Double Porosity ◽  
Surface Groups ◽  
Specific Chemical ◽  
Site Specific ◽  
Surface Functionality ◽  
Wenzel State ◽  
Breath Figure ◽  
Responsive Surfaces ◽  
Secondary Population

A hierarchically structured platform was obtained from spontaneous self-assembly of a poly(styrene)-<i>b</i>-poly(vinylbenzylchloride) (PS-<i>b</i>-PVBC) block copolymer (BCP) during breath figure (BF) templating. The BF process using a water/ethanol atmosphere gave a unique double porosity in which hexagonally arranged micron-sized pores were encircled by a secondary population of smaller, nano-sized pores. A third level of structuration was simultaneously introduced between the pores by directed BCP self-assembly to form out-of-the-plane nano-cylinders, offering very rapid bottom-up access to a film with unprecedented triple structure which could be used as a reactive platform for introducing further surface functionality. The surface nano-domains of VBC were exploited as reactive nano-patterns for site-specific chemical functionalization by firstly substituting the exposed chlorine moiety with azide, then “clicking” an alkyne by copper (I) catalyzed azide-alkyne Huisgen cycloaddition (CuAAC). Successful chemical modification was verified by NMR spectroscopy, FTIR spectroscopy, and XPS, with retention of the micro- and nanostructuration confirmed by SEM and AFM respectively. Protonation of the cyclotriazole surface groups triggered a switch in macroscopic behavior from a Cassie-Baxter state to a Wenzel state, highlighting the possibility of producing responsive surfaces with hierarchical structure.

Wetting dynamics of nanoliter water droplets in nanoporous media

2020 ◽  
Author(s):  
Bin Pan ◽  
Christopher R. Clarkson ◽  
Marwa Atwa ◽  
Chris Debuhr ◽  
Amin Ghanizadeh ◽  
...  
Keyword(s):  
Water Droplets ◽  
Nanoporous Media ◽  
Wetting Dynamics

Surfing the capillary wave: Wetting dynamics beneath an impacting drop

2019 ◽  
Vol 4 (12) ◽  
Author(s):  
John M. Kolinski ◽  
Ramin Kaviani ◽  
Dylan Hade ◽  
Shmuel M. Rubinstein
Keyword(s):  
Capillary Wave ◽  
Wetting Dynamics

Stimuli-Responsive Surfaces for Tunable and Reversible Control of Wettability

2015 ◽  
Vol 27 (27) ◽  
pp. 4062-4068 ◽  
Author(s):  
Xu Huang ◽  
Yajuan Sun ◽  
Siowling Soh
Keyword(s):  
Stimuli Responsive ◽  
Responsive Surfaces

scholarly journals An optical in-situ tool for visualizing and understanding wetting dynamics in membrane distillation

2020 ◽  
Vol 595 ◽  
pp. 117587 ◽  
Author(s):  
Paul Jacob ◽  
Baptiste Dejean ◽  
Stephanie Laborie ◽  
Corinne Cabassud
Keyword(s):  
Membrane Distillation ◽  
Wetting Dynamics
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