Synthesis of mediator free hollow BiFeO3 spheres/porous g-C3N4 Z-scheme photocatalysts for CO2 conversion and Alizarin Red S degradation. - Zaman, Saeed; Khan, Iltaf; Zhang, Feng-Ming; Khan, Shoaib; Khan, Aftab; Khan, Sohail; Sadiq, Samreen; Rafiq, Madiha; Saghir, Summaira; Sun, Xiao-Jun (Materials Science in Semiconductor Processing, 2023)