E. Nurfani, B.A. Wahjoedi, A. Fitri, M.S. Anrokhi, O.F.T. Maryana, A. Mustaqim, K. Friansa, R. Kurniawan
We study the optical properties of ZnO:Fe films fabricated using ultrafast spray pyrolysis. Solvent variations were conducted using aqua dest, isopropyl alcohol, and ethanol. As a result, the films were successfully grown on ITO-coated glass substrates, as shown by SEM images. Using Tauc-plot approximation, the calculated bandgap is 3.22 eV (aqua dest), 3.28 eV (isopropyl alcohol), and 3.30 eV (ethanol). Interestingly, there is a relation between the bandgap and the boiling point of solvents. This study is important to improve ZnO materials for optoelectronic applications. © 2023 Author(s).
Department of Materials Engineering, Institut Teknologi Sumatera, Lampung, 35365, Indonesia; Department of Physics, Institut Teknologi Sumatera, Lampung, 35365, Indonesia; Department of Engineering Physics, Institut Teknologi Sumatera, Lampung, 35365, Indonesia; Department of Energy System Engineering, Institut Teknologi Sumatera, Lampung, 35365, Indonesia; Research and Innovation Center for Conservation and Renewable Energy, Institut Teknologi Sumatera, Lampung, 35365, Indonesia; Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Negeri Malang, Malang, 65145, Indonesia
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