期刊
ACS APPLIED MATERIALS & INTERFACES
卷 12, 期 29, 页码 32673-32680出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.0c07162
关键词
functionalized MoS2 nanosheets; 3D MoS2 aerogels; mechanical stability; solar-to-heat conversion; highly efficient solar desalination
资金
- National Natural Science Foundation of China [51974216, 51704212, 51704220]
- Natural Science Foundation of Hubei Province [2019CFB536]
- Consejo Nacional de Ciencia y Tecnologia of Mexico [868976]
Aerogels, with porous channels for water supply and vapor escape, can provide many inherent advantages in solar desalination and wastewater treatment. For the first time, this work demonstrates the preparation of a novel three-dimensional (3D) MoS2 -based aerogel with high porosity and mechanical stability by a facile strategy for solar desalination. This 3D MoS2 aerogel has an excellent light-absorbing efficiency of over 95% within the whole solar spectrum range, enabling a high evaporation efficiency of 88.0% under a low solar irradiation of 1.0 kW m(-2) and superhigh evaporation efficiencies of over 90% under a slightly enhanced solar irradiation of 1.5-3.0 kW m(-2) as well as a remarkable desalination performance. In addition, the excellent mechanical stability of this MoS2 aerogel renders it to be reused for at least 10 cycles with stable water productivity. Because of its 3D architectures with high porosity and easy separation, this MoS2-based aerogel also provides promising applications in solar-driven water purification, sterilization, and so forth.
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