Patent ID: 11969720
Assignee: KING FAISAL UNIVERSITY
Field: Chemical engineering (Chemistry)
Classification: CPC B  C | IPC B  C

Claim 5:
6. The method according to claim 1, wherein the TiO2—ZnO nanoparticles are prepared according to a method comprising:
preparing a ZnO nanoparticle solution of Saussurea costus and Zn(NO3)2·6H2O;
adjusting pH of the ZnO nanoparticle solution to about 10 by adding KOH;
preparing a TiO2 solution by ultrasonication of TiO2 in ethanol;
adding the TiO2 solution to the ZnO nanoparticle solution to obtain a mixture; and
obtaining the TiO2—ZnO nanoparticles as a precipitate from the mixture.