“PHOTO-ELECTROCHEMICAL QUANTUM EFFICIENCY OF TiO2 THIN FILMS : EFFECT OF CRISTAL STRUCTURE, PLASMA HYDROGENATION AND SURFACE PHOTOETCHING”, S&TA, no. 26, pp. 73–86, Dec. 2007, Accessed: Oct. 09, 2025. [Online]. Available: https://revue.umc.edu.dz/a/article/view/167