Experiment of droplet anisotropic wetting behavior on micro-grooved PDMS membranes.

Donghai Ma, Zhongmin Liu, Yue Li, Lingxuan Luo

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In one paragraph

Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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2 · The registry

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0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Donghai MaSchool of Mechanical Engineering, Hangzhou Dianzi University, No. 1158, 2nd Street, Qiantang District, Hangzhou, China.

Zhongmin LiuSchool of Mechanical Engineering, Hangzhou Dianzi University, No. 1158, 2nd Street, Qiantang District, Hangzhou, China. lzhm@hdu.edu.cn.

Yue LiSchool of Mechanical Engineering, Hangzhou Dianzi University, No. 1158, 2nd Street, Qiantang District, Hangzhou, China.

Lingxuan LuoSchool of Mechanical Engineering, Hangzhou Dianzi University, No. 1158, 2nd Street, Qiantang District, Hangzhou, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Wetting behavior of droplets on a substrate with micro-grooves plays a key role in super-hydrophobicity. This paper aims to study the influence of groove width, droplet size, and surface tension on the anisotropic wetting behavior of droplets on micro-grooved PDMS membranes. Three types of PDMS membranes are made by mold replication. Profiles of droplets along the circumferential direction are observed by HD camera, and the 3D model of the droplet is reconstructed. Capillary forces at the three-phase contact line are obtained using the surface tension integration method. Additionally, liquid's wetting depth within the micro-grooves is calculated using an interfacial free energy equilibrium approach. The experiment shows that the micro-grooved PDMS membrane has anisotropic constrain to droplets due to wetting depth change in micro-grooves. Meta-equilibrium states at the three-phase contact line are influenced not only by substrate free energy, but also by wetting depth, interface pressure, and substrate structure.

Indexed as

DropletInterfacial free energyMicrostructureWetting behavior

Identifiers

PMID39543327

DOI10.1038/s41598-024-78681-z

PMCPMC11564533

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LicenceCC BY-NC-ND

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.