Novel thin film nanocomposite membranes incorporated with polyoxovanadate nanocluster for high water flux and antibacterial properties
- Novel thin film nanocomposite membranes incorporated with polyoxovanadate nanocluster for high water flux and antibacterial properties
- 채근화; Mojtaba Amini; Zahra Shekari; Ali Akbari; Hadi Naslhajian; Ayda Sheykhi; Esmaeil Karimi; Sanjeev Gautam
- Polyoxovanadate; antibacterial property; desalination; interfacial polymerization; membrane
- Issue Date
- Applied organometallic chemistry
- VOL 34, NO 4-e5494
- Using interfacial polymerization (IP) of mphenylenediamine aqueous solution containing polyoxovanadate nanoclusters (POV) and trimesoyl chloride (TMC) in organic solution, we fabricated a novel polyamide (PA) polyoxovanadate nanocluster (POV) nanocomposite membranes (PAPOV TFN). The chemical structures and morphologies of the synthesized membranes were characterized by Fourier transform infrared (FTIR) spectroscopy, atomic force microscope (AFM), scanning electron microscopy (SEM) and water contact angle measurements. Experimental results showed that the performances of PAPOV TFN membranes are remarkably dependent on POV incorporation in the membranes, which could be controlled by using different amounts of POV particles. Moreover, the PAPOV TFN membranes illustrated outstanding antibacterial properties against Gramnegative E. coli. On the other hand, the incorporation of various amounts of POV in the membranes improved the membrane separation performances (water flux and salt rejection) as well as the antibacterial activity in FO process as compared to the original thinfilm composite (TFC) polyamide membrane.
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