Method of fabricating liquid for oxide thin film

A method of fabricating a liquid for an oxide thin film, comprising:

• (a) mixing one dispersoid selected from a Zinc compound and at least one dispersoid selected from the group consisting of an Indium compound, a Gallium compound, a Tin compound and a Thallium compound, with dispersion media corresponding to the selected dispersoids to form a dispersion system;
• and
• (b) stirring and aging the dispersion system, wherein a molar ratio of the Zinc compound to each of the Indium compound, Gallium compound, Tin compound and Thallium compound is 1:0.1 to 1:2, the dispersion media comprise at least one selected from the group consisting of isopropanol, 2-methoxyethanol, dimethylformamide, ethanol, deionized water, methanol, acetylacetone, dimethylamineborane, and acetonitrile corresponding to the dispersoids, and a molar concentration of each of the Zinc compound, Indium compound, Gallium compound, Tin compound and Thallium compound is substantially 0.1M to 10M.