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In this work, a green and facile approach was developed to in situ immobilize silver nanoparticles (AgNPs) onto the commercial polyamide reverse osmosis (RO) membrane (virgin membrane) surface via a two-step surface modification process. First, an ultrathin precursor layer of tannic acid–ferric ion–polyethylenimine (TA-Fe-PEI) complex was deposited onto the virgin membrane surface. Then, due to the...
In this work, silver nanoparticles (AgNPs) were in situ immobilized on polysulfone (PSf) ultrafiltration membrane via polydopamine (PDA) deposition and in situ reduction of silver ammonia aqueous solution (Ag(NH3)2OH). The adhesive and reductive PDA layer existing on the membrane surface induced the reduction of Ag+ on the site of surface without surface pore blockage, and also favored to the firm...
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