Innovations in perovskite solar cells: a journey through 2D, 3D, and 2D/3D heterojunctions. - Sehar, Anum; Nasir, Fariha; Farhan, Ahmad; Akram, Samiullah; Qayyum, Wajeeha; Zafar, Kainat; Ali, Syed Kashif; Qamar, Muhammad Azam (Reviews in Inorganic Chemistry, 2025)