Low power deposition of the polycrystalline CuxO film with a high mobility and a low hole concentration by radio-frequency magnetron sputtering of a Cu2O target

Spray Deposited Nanostructured CuO Thin Films: Influence of Substrate Temperature and Annealing Process

“…These are the basic characteristics of a proper solar selective absorber 25 . In order to estimate the bandgap of the CuO thin films, first, the transmittance (T) and reflectance (R) experimental data were converted to the absorption coefficient (α) via the following equation: (4) where t is thickness 3,26 . The optical bandgap (E g ) and absorption coefficient are directly related via the Tauc relation: (5) where hυ is the photon energy, A is an energy independent constant, and n is ½ for direct allowed transition.…”

“…CuO with its monoclinic structure naturally exhibits p-type conductivity and the band gap values of 1.3-2.1 eV has been reported in literatures 3 . The possibility of depositing CuO with almost all conventional methods, such as sputtering 4 , sol-gel 5 , chemical vapor deposition 6 , thermal deposition 7 , can provide the groundwork for the deposition of CuO films with a wide variety of characteristics. However, the main drawback of the most sophisticated methods is the fact that they require highly expensive devices and processes.…”

Sol-Gel Fabricated CuO Thin Film: Characterization for Device Application

“…Various deposition techniques have been deployed for the preparation of CuO thin films, such as chemical vapor deposition [6], magnetron sputtering [7], thermal oxidation [8], electrodeposition [9], sol-gel [10], and spray pyrolysis [11]. In this paper, we report the synthesis and characterization of CuO thin films by a simple sol-gel dip-coating technique.…”