Kader Esmaee S, Mahmood Mustafa B. Efficiency of Hydrogenated Amorphous Silicon Solar Cells Formed by Grooves in Two Dimension . Tikrit J. Pure Sci. [Internet]. 2026 Feb. 25 [cited 2026 Aug. 28];31(1):69-7. Available from: http://tjpsj.org/index.php/tjps/article/view/1878