Concurrent filtration and solar photocatalytic disinfection/degradation using high-performance Ag/TiO2 nanofiber membrane |
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Authors: | Liu Lei Liu Zhaoyang Bai Hongwei Sun Darren Delai |
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Affiliation: | School of Civil and Environmental Engineering, Nanyang Technological University, Singapore 639798, Singapore |
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Abstract: | A facile polyol synthesis was used for the deposition of Ag nanoparticles on electrospun TiO2 nanofibers for the subsequent fabrication of Ag/TiO2 nanofiber membrane. The permeate flux of the Ag/TiO2 nanofiber membrane was remarkably high compared to commercial P25 deposited membrane. The Ag/TiO2 nanofiber membrane achieved 99.9% bacteria inactivation and 80.0% dye degradation under solar irradiation within 30 min. The Ag/TiO2 nanofiber membrane also showed excellent antibacterial capability without solar irradiation. Considering the excellent intrinsic antibacterial activity and high-performance photocatalytic disinfection/degradation under solar irradiation, this novel membrane proved to have promising applications in water purification industry. |
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Keywords: | Ag/TiO2 nanofiber membrane Degradation Disinfection Silver nanoparticles TiO2 nanofibers |
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