Development of Photochromic Coatings on Ceramic Tiles

摘要

Photochromic materials are sensitive to light when such a material exposed to the sunlight or UV irradiation, it can change color very quickly and turn back to its original uncolored form by removing light resource. Photochromic powder at different ratios in polymeric gel were prepared and coated on ceramic surfaces by using spray technique. This coating technique provided to form homogeneous layer structure on surface. By using polymeric gel, photochromic coatings were occurred at low temperatures with good adhesion. After heat treatment fast response photochromic coatings were achieved. Surface morphology of coatings on ceramic surfaces were investigated by scanning electron microscopy (SEM), the photochromic effect and optical characterization of coatings were analyzed by using Minolta 3600-d spectrophotometer.