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Tungsten Oxide Nanorods Synthesis – (WO3) by using Sodium Tungstate and Oxalic Acid via Hydrothermal Method

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Tungsten Oxide Nanorods Synthesis – (WO3) by using Sodium Tungstate and Oxalic Acid via Hydrothermal Method - InstaNANO. https://instanano.com/all/nanomaterial-synthesis/metal-oxide/tungsten-oxide-1/ (accessed October 22nd, 2024).

Tungsten(VI) Oxide (WO3) Nanorods Synthesis by using Sodium Tungstate as precursor and Oxalic Acid via Hydrothermal Method

  1. CHECK LIST
    Sodium Tungstate (Na2WO2.2H2O), Oxalic Acid (H2C2O4.2H2O), Hydrochloric Acid (HCl), Potassium Sulfate (K2SO4), Deionized Water, RB Flask, Magnetic stirrer

  2. STEP 1.
    Add 2g Sodium Tungstate and 1.5g Oxalic Acid in 50 ml water.

  3. STEP 2.
    Add HCL in the above solution until the pH reaches around 0.8, after this transparent homogenious solution is formed.

  4. STEP 3.
    Add 3g Potassium Sulfate into the solution prepared in step-2.

  5. STEP 4.
    Tansfer the solution in Hydrothermal and set the temperature at 100°C for 24 hours.

  6. STEP 5.
    Finally, Wash and Filter out the Yellowish solution through centrifuge. You can now use these Tungsten(VI) Oxide (WO3) Nanorods in any application.

  7. RESULTS
    Tungsten(VI) Oxide (WO3) Nanorods color was found to be yellowish. Average diamter of the rods are around 150 nanometers and length of about 1 micrometer.

  8. NOTE: All the experiments should be done under the guidance of lab Incharge; and proper lab safety instructions.

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