Pongamia pinnata-mediated green synthesis of Er-doped CdS thin films: enhanced photocatalysis and high-efficiency optoelectronics. - Soni, Sapana; Deshmukh, Kusumanjali; Saluja, Jagjeet Kaur; Tiwari, Ashish; Kumari, Renu; Pateria, Mimi Akash; Verma, Mohan L.; Soni, Priyanshu; Verma, Neeraj K. (Journal of Materials Science: Materials in Electronics, 2025)