OPTICAL SEMICONDUCTOR METAL-ORGANIC SUBSTANCE MIXTURE, OPTICAL SEMICONDUCTOR METAL-CONTAINING COMPOSITION, METHOD FOR PRODUCING PHOTOCATALYST COATING FILM AND PHOTOCATALYST MEMBER

摘要

PROBLEM TO BE SOLVED: To provide an optical semiconductor metal-organic substance mixture which can non-elastically and uniformly be coated on a substrate to form a photocatalyst coating film that exhibits relatively large water repellency, does not have an interference color, has excellent transparency, when the substrate is transparent, can prevent the generation of algae and microbes such as bacteria and fungi under mild environments having solar light, can prevent stains caused by the adhesion of contaminants, and can further prevent the adhesion of snow and ice to members under a cold environment. SOLUTION: This optical semiconductor metal-organic substance mixture containing an optical semiconductor metal and an organic substance having an alkyl silicate structure is characterized in that the water contact angle of the film formed on the substrate is >=60 deg..