Bulletin of the American Physical Society
APS March Meeting 2024
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session Z40: DFD XI
11:30 AM–2:30 PM,
Friday, March 8, 2024
Room: 103F
Sponsoring
Unit:
DFD
Chair: Christopher Boyce, Columbia University
Abstract: Z40.00007 : Understanding the tunable wetting of droplets on graphite and cellulose surfaces
12:42 PM–12:54 PM
Presenter:
Meng Shen
(California State University, Fullerton)
Author:
Meng Shen
(California State University, Fullerton)
In our study, we employ molecular dynamics simulations to investigate how different types of ions can affect and fine-tune wetting behaviors on distinct surfaces, such as graphite and cellulose surfaces.
Our findings reveal that the adjustability of water droplet wetting on graphite surfaces is notably sensitive to the presence of specific monovalent ions at moderate ion concentrations. In contrast, the type of ions has a much milder impact on wetting when it comes to cellulose surfaces.
We provide an explanation for these observations by considering ion distribution and conducting thermodynamic analysis. This research contributes to our comprehensive understanding of how we can systematically control and fine-tune wetting behaviors.
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