期刊
ADVANCED MATERIALS
卷 31, 期 17, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201808249
关键词
desalination; hierarchical structures; metal-organic frameworks; solar-thermal materials; water remediation
类别
资金
- MOE [MOE2015-T2-2-057, MOE2016-T2-2-103, MOE2017-T2-1-162, 2016-T1-001-147, 2016-T1-002-051, 2017-T1-001-150, 2017-T1-002-119]
- NTU under Start-Up Grant [M4081296.070.500000]
- NOL Fellowship Programme Research Grant in Singapore
- National Research Foundation, Prime Minister's Office, Singapore under its Campus for Research Excellence and Technological Enterprise (CREATE) programme
Solar-thermal water evaporation, as a promising method for clean water production, has attracted increasing attention. However, solar water evaporators that exhibit both high water vapor generation ability and anti-oil-fouling ability have not been reported. Here, a unique metal-organic-framework-based hierarchical structure, referred to as MOF-based hierarchical structure (MHS), is rationally designed and prepared, which simultaneously displays a high solar absorption and a superhydrophilic and underwater superoleophobic surface property. As a proof-of-concept application, a device prepared from the MHS can achieve a high solar-thermal water evaporation rate of 1.50 kg m(-2) h(-1) under 1 sun illumination. Importantly, the MHS also possesses an excellent anti-oil-fouling property, ensuring its superior water evaporation performance even in oil-contaminated water. The high solar-thermal water evaporation rate and anti-oil-fouling property make the MHS a promising material for the solar-thermal water production.
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