Fabrication of titanium dioxide (tio₂) nanorod abray-based uv sensor

This research presented the preparation of titanium dioxide (TiCh) arrays that was fabricated on fiuorine-doped tin oxide (FTO) glass based UV sensor. The deposition temperature influences the diameter, length, and density of the nanorod. Detection of ultraviolet (UV) light is usually based on the photoconductivity effect on semiconductor. The prepared TiÜ2 nanorod arrays exhibited high sensitivity and high speed of the photoresponse. The surface morphology showed the result of a sample of nanorod array that was produced when it synthesized on the substrate by using fieldemission scanning electron microscopy (FESEM). The crystallinity of TiÜ2 in rutile phase were investigated via and micro-Raman spectroscopy X-ray diffraction (XRD). Moreover, these nanorod arrays exhibited the excellent absorbance at wavelength less than 400 nm in the UV light.