Amira Saidani is a PhD candidate in Materials Chemistry at the University of Bouira, Algeria. Her research focuses on nanomaterials based photocatalysis for environmental and energy applications, particularly ZnO based heterojunction systems. She conducts her research under the supervision of Prof. Lotfi Mouni, a distinguished professor ranked among the top 2 percent of scientists worldwide (Stanford Elsevier, 2024 2025). Mouna Saidani, a researcher in materials science at the University of Bouira. Her work aims to develop advanced semiconductor systems for solar driven environmental applications.