“Deposition of Colloidal Titanium Oxide Nanoparticles Using Pulsed Nd: YAG Laser Ablation in Liquid to Increase the Efficiency of the Si Solar Cell”. 2018. Al-Nahrain Journal of Science 17 (1): 103-8. https://mail.anjs.edu.iq/index.php/anjs/article/view/486.