Journal
JOURNAL OF APPLIED PHYSICS
Volume 117, Issue 3, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4905616
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Funding
- Bill & Melinda Gates Foundation
- U.S. Air Force Office of Scientific Research
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In this study, we create a multifunctional metal surface by producing a hierarchical nano/microstructure with femtosecond laser pulses. The multifunctional surface exhibits combined effects of dramatically enhanced broadband absorption, superhydrophobicity, and self-cleaning. The superhydrophobic effect is demonstrated by a falling water droplet repelled away from a structured surface with 30% of the droplet kinetic energy conserved, while the self-cleaning effect is shown by each water droplet taking away a significant amount of dust particles on the altered surface. The multifunctional surface is useful for light collection and water/dust repelling. (C) 2015 AIP Publishing LLC.
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