"Co 3 O 4 nanostructures"@en . "Shah" . "ZnO"@en . "Aqeel Ahmed" . "ZnO nanostructures"@en . "Hybrid material"@en . "Ultraviolet light"@en . . "Rotten apple juice"@en . "Aqeel Ahmed Shah" . "Rotten apple juice Natural reducing agents Co 3 O 4 nanostructures Oxygen evolution reaction"@en . "Mn3O4@ZnO"@en . . "Natural reducing agents"@en . . "Agave americana extract"@en . "Photocatalytic applications"@en . "211090ffb7f3304690e593a5a50318f5" . "ZnO Mn3O4 Mn3O4@ZnO hybrid material photocatalytic applications"@en . "Malachite green dye"@en . "Mn3O4"@en . "Oxygen evolution reaction"@en . <0000-0003-3040-1668> .