Applied in photocatalytic coatings with synergistic effects from mixed phases for enhanced pollutant degradation, self-cleaning glass and ceramics for architectural applications, advanced photocatalytic air purifiers combining UV absorption and catalytic activity, dye-sensitized solar cells with improved charge separation efficiency, antimicrobial coatings for food processing equipment, water treatment systems for removing heavy metals and organic dyes, photocatalytic paints for indoor air quality improvement, UV-protective coatings for outdoor furniture and automotive finishes, gas sensors with enhanced sensitivity to humidity and VOCs, and hybrid photocatalytic membranes for oil-water separation. The rutile-anatase mixture provides balanced photocatalytic performance and UV stability for multifunctional coating applications.