Green sonochemical synthesis of BaDy<sub>2</sub>NiO<sub>5</sub>/Dy<sub>2</sub>O<sub>3</sub> and BaDy<sub>2</sub>NiO<sub>5</sub>/NiO nanocomposites in the presence of core almond as a capping agent and their application as photocatalysts for the removal of organic dyes in water
RSC advances