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      https://www.ias.ac.in/article/fulltext/boms/043/0204

    • Keywords

       

      Iron tungstate; ceramic; nanofibre; electrospinning.

    • Abstract

       

      Given the importance of tungstate in industry and aiming to introduce new tungstate nanostructure with a modern method, iron tungsten nanofibres were prepared for the first time by sol–gel followed by electrospinning andcalcination. First, poly(vinyl alcohol) (PVA) as a matrix polymer was mixed separately with tungstic acid (H$_2$WO$_4$) and iron(III) nitrate (Fe(NO$_3$)$_3$). The controlled mixing of the two solutions followed by electrospinning led to the fabrication of PVA/tungstic acid/iron(III) nitrate composite nanofibres. Finally, ceramic nanofibres of iron tungstate were obtainedfrom the calcination of polymeric nanofibres under thermal control conditions. The final product was analysed by scanning electron microscopy, energy-dispersive X-ray spectroscope, Fourier transform infrared spectroscopy, X-raydiffraction, vibrating sample magnetometer, Brunauer–Emmett–Teller surface area analysis and Barrett–Joyner–Halenda pore size and volume analysis.

    • Author Affiliations

       

      NASTARAN GHASEMI1 HAKIMEH ZIYADI2 MITRA BAGHALI1 AKBAR HEYDARI3

      1. Active Pharmaceutical Ingredients Research Center, Tehran Medical Sciences, Islamic Azad University, P. O. Box 1913674711, Tehran, Iran
      2. Department of Organic Chemistry, Faculty of Pharmaceutical Chemistry, Tehran Medical Sciences, Islamic Azad University, P. O. Box 1913674711, Tehran, Iran
      3. Chemistry Department, Tarbiat Modares University, P. O. Box 141554838, Tehran, Iran
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