The formation of WO₃ nanorods using the surfactant-assisted hydrothermal reaction

Figures & data

Figure 1. FESEM micrographs of: (a) thermal oxidised W foil, (b) WO₃ prepared without surfactant and WO₃ prepared with: (c) 0.01 M CTAB, (d) 0.03 M CTAB, (e) 0.05 M CTAB, (f) 0.05 M CTAB (cross sectional view) and (g) 0.07 M CTAB.

Figure 2. Morphologies of WO₃ prepared with 0.05 M CTAB for 10 h: (a) surface morphology and (b) cross sectional view.

Figure 3. Morphologies of WO₃ prepared with: (a) 0.01 M HMT, (b) 0.01 M HMT (cross sectional view) and (c) 0.05 M HMT.

Figure 4. TEM micrograph of WO₃ nanorods prepared with 0.05 M CTAB.

Figure 5. XRD spectra of WO₃ prepared with various amount of surfactants.

Figure 6. Cyclic voltammogram of WO₃ prepared with 0.05 M CTAB and 0.05 M HMT.