Abstract
Tungsten oxide (WO3) hydrate nanorods were synthesized by solvothermal process under different condition (170-210ºC, acetic acid (0-10 ml). The morphologies of synthesized WO3 hydrate nanorods were investigated by scanning electron microscopy (SEM) and X-ray diffraction (XRD). As the result, we found the optimal synthesis condition of WO3 hydrate nanorods. In this optimal condition, the treatment temperature was 190ºC with no acetic acid in the reactive solution. The length and diameter of observed nanorods were approximately 1-20 μm and 50-1000 nm, respectively. The XRD analysis revealed that the crystal structure of WO3 hydrate (WO3 (H2O)0.33) nanorods has orthorhombic phase (Fmm2) with high crystallinity.
