Patent ID: 8383018

Claim:
A method of forming a nanocomposite solution, comprising: i) preparing a metal oxide nanorod solution, wherein the preparing of the metal oxide nanorod solution comprises: preparing a metal oxide precursor solution, preparing an alcohol-based solution including a basic chemical species, mixing/reacting the metal oxide precursor solution and the alcohol-based, solution to form a metal oxide nanorod, and applying an ultrasonic wave or an electromagnetic wave after mixing the metal oxide precursor solution and the alcohol-based solution; ii) preparing a nanoparticle solution, wherein the preparing of the nanoparticle solution comprises: mechanically grinding a target material to form primary particles, etching the primary particles with an etchant to form an intermediate, solution including secondary particles, removing a supernatant from the intermediate solution through a centrifugation process to form a purification solution, and diluting the purification solution with a dispersive solvent; and iii) mixing the metal oxide nanorod solution and the nanoparticle solution to form a nanocomposite solution.