Herein, we report the green synthesis of magnetic, nitrogen doped carbon quantum dot/Fe3O4 NPs using aqueous lemon extract for the efficient removal of organic dye pollutants from contaminated water.
A simple approach based on calcination treatment of diethylenetriaminepentaacetic acid (DTPA) was developed to prepare water-soluble nitrogen doped carbon nanoparticles (N-CNPs) with a high quantum yield of approximately 53.7%.