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AssigneeTosoh Finechem Corporation
InventorsYujin Takemoto, Tsukasa Futagoishi, Masahiro Aoki
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A composition is provided which contains an organic zinc compound represented by general formula R1—Zn—R1, in which R1 represents a linear or branched alkyl group having 1 to 7 carbon atoms, and an organic metal compound containing a metal element whose oxide has a band gap smaller than 3.2 eV. The composition can be used to form a zinc oxide film by a droplet coating method, such as a spray coating method, at a base material temperature of less than 200° C. A method for producing a zinc oxide film involves coating the composition in the form of droplets at a base material temperature of less than 200° C. to form the zinc oxide film. Using this method, it is possible to provide a zinc oxide thin film having an ultraviolet ray absorption ability, excellent visible light permeability, and a thickness of 1 μm or less.
A composition for producing a zinc oxide thin film by a liquid drop coating method at a base material temperature of less than 200° C., comprising diethylzinc, an organometallic compound represented by the general formula (2):
Dependencies are inferred from the claim text.