Flexible Anti-Biofouling MXene/Cellulose Fibrous Membrane for Sustainable Solar-Driven Water Purification
mediaposted on 25.09.2019, 13:35 by Xiang-Jun Zha, Xing Zhao, Jun-Hong Pu, Li-Sheng Tang, Kai Ke, Rui-Ying Bao, Lu Bai, Zheng-Ying Liu, Ming-Bo Yang, Wei Yang
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 ∼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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wastewater treatmentsMXene coatingbacteriostatic agentwater evaporationphotothermal membranehigh-efficiency photothermal membraneenvironment-friendly technologysolar-driven water steam evaporationwater productionspectrum rangework reportssteam generatorSustainable Solar-Driven Water Purification Solar-drivenwater purification applicationsMXene-coated cellulose membraneanti-biofoulingwastewater treatmentwater evaporation rate