期刊
ACS APPLIED MATERIALS & INTERFACES
卷 11, 期 40, 页码 36589-36597出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.9b10606
关键词
membrane; solar steam generation; anti-biofouling; long-term water purification; cellulose; MXene
资金
- National Natural Science Foundation of China (NNSFC) [51873126, 51422305, 51721091]
Solar-driven interfacial water evaporation is regarded as an effective, renewable, and environment-friendly technology for clean water production. However, biofouling caused by the nonspecific interaction between the steam generator and biofoulants generally hinders the efficient application of wastewater treatment. Herein, this work reports a facile strategy to fabricate flexible anti-biofouling fibrous photothermal membrane consisting of a MXene-coated cellulose membrane for highly efficient solar-driven water steam evaporation toward water purification applications. The as-prepared MXene/cellulose photothermal membrane exhibits light absorption efficiency as high as similar to 94% in a wide solar spectrum range and a water evaporation rate up to 1.44 kg m(-2) h(-1) under one solar illumination. Also, the MXene/cellulose membrane shows very high antibacterial efficiency (above 99.9%) owing to the MXene coating as a highly effective bacteriostatic agent. Such a flexible, anti-biofouling, and high-efficiency photothermal membrane sheds light on practical applications in long-term wastewater treatments.
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