期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 8, 期 47, 页码 25040-25046出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0ta09271a
关键词
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资金
- Board of Research in Nuclear Sciences (BRNS) [34/20/31/2016-BRNS]
- Ministry of Electronics and Information Technology [5(9)/2012-NANO]
- IIT G
- CSIR [09/731(0148)/2015-EMR-1]
Efficient water harvesting with a robust interface is important for realistic applications. Here, a dual chemically reactive porous polymeric interface is introduced to adopt various bio-inspired interfaces for the direct comparison of their water-harvesting performances using an identical experimental setup. An improved water-harvesting performance (1100 mg cm(-2) h(-1)) was observed when an edible oil (olive oil)-infused hydrophilic and slippery interface was used, in comparison to a hydrophobic slippery liquid-infused porous surface (SLIPS, 800 mg cm(-2) h(-1)) and a superhydrophobic interface (250 mg cm(-2) h(-1)). Furthermore, the strategic physical confinement of the hydrophilic-slippery interface and the specific arrangement of chemically modulated hydrophilic patterns on a hydrophilic-slippery background accelerated the shedding of condensed water droplets from 107 s to only 15 s. Eventually, a physically confined hydrophilic SLIPS with chemically modulated patterns yielded a highly efficient (4400 +/- 190 mg cm(-2) h(-1)) water-harvesting SLIPS.
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