The XRD patterns of TiO2 nanowires annealed at 600, 800, and 900 C are shown in Fig. 4. As the temperature increased from 600 to 900 C, it was fascinating to observe that the anatase peaks became weaker while the rutile peaks became dominant.
The XRD patterns of TiO2 nanowires annealed at 600, 800, and900 C are shown in Fig. 4. As the temperature increased from600 to 900 C, it was fascinating to observe that the anatase peaksbecame weaker while the rutile peaks became dominant.