Electrical, optical and structural properties of ZnO nanorods thin films deposited over ZnO substrates
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ZnO thin films with grain morphology were obtained over glass substrates using the sol-gel method; these films were used as substrates to grow ZnO nanorods using chemical bath deposition (CBD) technique. The transmittance percentage of two films was over 85%25 and the electrical resistivity decreased when ZnO nanorods were grown over the ZnO thin film with grain morphology. A laser is incident at the thin film surface to measure the electrical response as a function of the wavelength change, it is found that electrical response is higher for the thin films with ZnO nanorods; these results shows that ZnO nanorods are a good choice for their use in photosensors. © 2014 Elsevier B.V.
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Chemical bath deposition; Electrical response; Nanorods; Sol-gel; ZnO Deposition; II-VI semiconductors; Metallic films; Nanorods; Optical films; Sol-gel process; Sol-gels; Substrates; Zinc oxide; Chemical-bath deposition; Electrical , optical and structural properties; Electrical response; Glass substrates; Grain morphologies; Photo-sensors; Thin film surfaces; Wavelength change; Thin films
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