Effects of dip-coating speed and annealing temperature on structural, morphological and optical properties of sol-gel nano-structured TiO2 thin filmsTahar Touam, Mohamed Atoui, Ilhem Hadjoub, Azeddine Chelouche, Boubekeur Boudine, Alexis Fischer, Azzedine Boudrioua and Abdellaziz DoghmaneEur. Phys. J. Appl. Phys., 67 3 (2014) 30302DOI: https://doi.org/10.1051/epjap/2014140228