Mesoporous Nano-Sized BiFeVOx.y Phases for Removal of Organic Dyes from Wastewaters by Visible Light Photocatalytic Degradation oleh Niyazi A. S. Al-Areqi, Muhamad Umair, Ahmed M. Senan, Ahlam Al-Alas, Afraah M. A. Alfaatesh, Saba Beg, Kashif-ur-Rehman Khan, Sameh A. Korma, Mohamed T. El-Saadony, Mohammed A. Alshehri, Ahmed Ezzat Ahmed, Ahmed M. Abbas, Riyad A. Alokab, Ilaria Cacciotti