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YOUSSEF LARBAH1,* , BADIS RAHAL1, MOHAMED ADNANE2
- pectrometry Department,Nuclear Research Center of Algiers-CRNA 02 Bd. Frantz Fanon BP 399 Algiers,Algeria
- Technology Department, University of Science and Technology of Oran. USTO-MB,B.P. 1505, 31000 El-Mnaouer Oran, Algeria
In this paper, we report on the structural and optical properties of undoped and fluorine-doped tin oxide (SnO2:F) thin films deposited by spray pyrolysis at 400°C. The XRD analysis indicates that all films present tetragonal rutile structure with a preferred orientation changes from (110) to (211). The average grain size is about 50 nm, and decreases with the incorporation of Fluorine. The scanning electron microscopy (SEM) analyses have shown that nanoparticles size to 78nm. The films exhibit a high transmittance 85%. The optical gap varies from 3.97 to 4eV. The electrical study reveals that the films exhibit n-type conductivitywith the lowestvalue of resistance layer, of13(Ω/γ) for films doped with 9.wt% F..
SnO2:F, SnO2, Spray, Microstructural, Optical and Electrical properties.
Submitted at: Jan. 13, 2020
Accepted at: Oct. 22, 2020
YOUSSEF LARBAH, BADIS RAHAL, MOHAMED ADNANE, The effectof fluorine doping on the properties of SnO2thin films deposited using spray pyrolysis method, Journal of Optoelectronics and Advanced Materials Vol. 22, Iss. 9-10, pp. 518-522 (2020)
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