Bio: Yiran (Christine) Wu is a fourth-year MChem student at Christ Church, University of Oxford. She joined the Hoye Group in 2026 for her Part II research project, focusing on the synthesis and characterisation of silver- and sodium-bismuth chalcogenide semiconductors for photovoltaic applications. Her project explores how composition influences their structural and optoelectronic properties. She is working together with Dr. Shiling Dong.