What is it about?
Enhancing the wicking/evaporative functionality of materials by surface nano/microstructuring is a key approach in creating advanced technologies based on liquid-vapor phase change We develop experimental technique for studying the water film confinement dynamics based on different optical footprints of nanoscale and microscale water confinements found in our work. Introducing this technique into the traditional optical imaging
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Why is it important?
For the first time, we obtain the spatiotemporal map of water nano/microstructural confinements that provides basic data for identification of evaporation mechanisms. The obtained results give important guidelines for engineering advanced materials with efficient wicking/evaporative functionality. We develop an experimental technique for studying the water film confinement dynamics based on different optical footprints of nanoscale and microscale water confinements found in our work.
Perspectives
It was interesting to do the experiment of this article. When observing the water droplets flowing rapidly on the surface of the sample, we could feel the charm of the material we prepared. I don't just think of it as a simple ultra-wet material, but as a work of art
Li Junchang
Chongqing University of Posts and Telecommunications
Read the Original
This page is a summary of: Spatiotemporal dynamics of water film confinement during spreading and evaporation in highly hierarchical wicking nano/microstructure on Si surface at 120 °C, AIP Advances, March 2023, American Institute of Physics,
DOI: 10.1063/5.0138916.
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