Photocatalytic Properties of Mn:CdS Colloidal Quantum Dots, Stabilized by Mercaptoacetic Acid

The optical and photocatalytic properties of CdS quantum dots doped with manganese ions are considered. The quantum dots were synthesized by the colloidal method in an aqueous medium with mercaptoacetic acid as stabilizer. The optical, dimensional, and paramagnetic properties of the obtained nanoparticles were studied. The photocatalytic properties of the quantum dots were studied in the model degradation of rhodamine B. The effect of the concentration of manganese ions and the temperature of the reaction mixture on the rate of photodegradation of the dye was studied.