The invention pertains to a method for efficiently spitting water into hydrogen and oxygen using a nanocomposite that includes ((BiVO4)x—(TiO2)1-x, wherein x ranges from 0.08 to 0.12, and optionally silver nanoparticles; methods for making a nanocomposite used in this method by a simple solvothermal method; and to photoanodes and photoelectrochemical cells and devices containing the nanocomposites.
展开▼