METHOD OF GROWING CADMIUM SULPHIDE NANOPARTICLES ON CARBON NANOTUBES AND METHOD OF MAKING LIGHT SOURCE Russian patent published in 2012 - IPC H01L33/00 B82B3/00 

FIELD: physics.

SUBSTANCE: method, according to the invention, involves formation of cadmium sulphide nanoparticles on carbon nanotubes from a mixture of a solution containing cadmium chloride and a solution of a sulphur-containing reactant while heating the mixture of solutions, wherein the carbon nanotubes are grown on a conducting substrate, the cadmium sulphide nanoparticles are grown on the carbon nanotubes from the mixture of solutions, wherein the sulphur-containing reactant, which yields sulphur anions in the solution, is selected from thioamides or thiosemicarbazides; the substrate with carbon nanotubes is put into an aqueous ammonia solution of the sulphur-containing reactant, and ammonia solution of cadmium chloride is then added to that solution; the obtained solution is stirred and after growing cadmium sulphide nanoparticles on the carbon nanotubes, the cathode is extracted from the solution. Also disclosed is a method of making a light source containing cadmium sulphide nanoparticles on carbon nanotubes made according to the method given above.

EFFECT: invention increases uniformity of distribution of quantum dots on the surface of carbon nanotubes and simplifies the method of growing cadmium sulphide nanoparticles on carbon nanotubes, and also increases uniformity of distribution of quantum dots in the emission layer, increases brightness of the light source and simplifies the technology of making light sources.

7 cl, 6 dwg