Facile synthesis of efficient Co₃O₄ nanostructures using the milky sap of Calotropis procera for oxygen evolution reactions and supercapacitor applications

Abstract

The preparation of Co3O4 nanostructures by a green method has been rapidly increasing owing to its promising aspects, such as facileness, atom economy, low cost, scale-up synthesis, environmental friendliness, and minimal use of hazardous chemicals.