A Comparative Investigation of Optical and Structural Properties of Cu-Doped CdO-Derived Nanostructures |
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| Authors: | Sanjay Sahare Ravi Kant Choubey Gurunath Jadhav Tejashree M Bhave Samrat Mukherjee Sunil Kumar |
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| Affiliation: | 1.Department of Applied Physics,Defence Institute of Advanced Technology,Pune,India;2.Department of Applied Physics, Amity Institute of Applied Sciences (AIAS),Amity University,Noida,India;3.Department of Physics,National Institute of Technology,Patna,India;4.Nano Information Technology Academy,Dongguk University,Seoul,South Korea |
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| Abstract: | In this report, we studied various structural and optical properties of pure and copper-doped cadmium oxide (CdO) thin films. Nanostructured Cu-doped CdO films were deposited using sol–gel spin-coating technique. The structural and morphological changes have been observed by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), and atomic force microscopy (AFM) studies. The optical and electrical properties of the pure and Cu-doped CdO thin films were studied by UV–vis spectroscopy and four-point probe method, respectively. The XRD peaks show the formation of nanocrystalline CdO with cubic face-centered crystal structure. The band gaps of the as deposited films were found in the range of 2.32–2.73 eV, while after doping, it decreases due to structural deformation. The electrical resitivity was found to decrease approximately ～10 in Cu-doped CdO thin films. |
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