Ultrafast Bubble Bursting by Superamphiphobic Coatings
نویسندگان
چکیده
Controlling bubble motion or passively bursting bubbles using solid interfaces is advantageous in numerous industrial applications including flotation, catalysis, electrochemical processes, and microfluidics. Current research has explored the formation, dissolution, pinning, rupturing of on different surfaces. However, ability to tune control rate not yet achieved. Scaling down surface-induced just a few milliseconds important for any application. In this work, hierarchical structure superamphiphobic surfaces tuned order rapidly rupture contacting bubbles. Surfaces prepared liquid flame spray show ultrafast (down 2 ms) superior durability. The coatings demonstrate excellent mechanical chemical stability even presence surface-active species. Air from ruptured absorbed into aerophilic Cassie-state. Long-term applicability demonstrated by preventing accumulation air plastron via connection environment. times recorded complete reorganization are reduced approximately factor 3 compared previously reported values. concept utilized surfactant-rich foam froth flotation. Material collection efficiency increased more than 60 controls.
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ژورنال
عنوان ژورنال: Advanced Materials
سال: 2021
ISSN: ['1521-4095', '0935-9648']
DOI: https://doi.org/10.1002/adma.202101855