Influence of fluorine doping on structural, electrical and optical properties of spray pyrolysis ZnS films |
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Authors: | Tayfur Kucukomeroglu Cabir Terzioglu |
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Affiliation: | a Karadeniz Technical University, Faculty of Art and Science, Department of Physics, 61080 Trabzon, Turkey b Abant Izzet Baysal University, Faculty of Art and Science, Department of Physics, 14280 Bolu, Turkey |
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Abstract: | ZnS films were deposited by spray pyrolysis on glass at 500 °C substrate temperature. In order to study the influence of fluorine on the properties of ZnS film, undoped and F-doped films were investigated using X-ray diffraction, scanning electron microscopy and optical transmittance spectroscopy. The absorption coefficient was measured and correlated with the photon energy to estimate the energy gap, which rises from 3.20 to 3.35 eV with increased F content. Carrier concentrations of our samples were determined from Hall effect measurements. It was found that the carrier concentration increases from 7.0 × 1012 cm− 3 to 8.0 × 1013 cm− 3 with increasing F content from 0 to 6 wt.% in ZnS films. |
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Keywords: | Zinc sulfide Spray pyrolysis Fluor doping Grain size |
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