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Structural, optical and luminescent characteristics of sprayed fluorine-doped In2O3 thin films for solar cells |
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| Authors: | A El Hichou M Addou J Ebothé |
| Affiliation: | a Laboratoire de la Matière Condensée et Nanostructures (LMCN), Faculté des Sciences et Techniques, Guéliz-marrakech, B.P. 549, Marrakech 40000, Morocco b Laboratoire d’optoélectronique et de physico-chimie des matériaux, Faculté des Sciences, B.P. 133, Kénitra, Morocco c Laboratoire de Chimie des Matériaux et de l’environnement, Faculté des Sciences et Techniques, Guéliz-marrakech, B.P. 549 Marrakech, Morocco d Laboratoire de Microscopie et d’Étude des Nanostructures, Université de Reims UFR Sciences, LMEN, Équipe d’accueil N°3799, B.P. 138, 21 rue Clément Ader, 51685 Reims Cedex 2, France |
| Abstract: | Fluorine-doped indium oxide thin films, F-In2O3, prepared by the spray pyrolysis technique on glass substrates have been studied using cathodoluminescence spectroscopy, X-ray diffraction and spectrophotometry. These films, deposited at the optimal substrate temperature (Ts=450 °C), crystallize in a cubic structure with a preferential orientation along the (4 0 0) direction. For this temperature, the electrical resistivity is in the order of 6×10−3 Ω cm and the average optical transmission in the visible region is larger than 95%. At room temperature, the cathodoluminescence spectra of F-In2O3 present two emission peaks: blue indirect band gap peak at 410 nm and a red emission at 650 nm. |
| Keywords: | Fluorine-doped indium oxide Electrical Optical Luminescence Spray pyrolysis |
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