Photoaided Cathodic Protection of TiO2 Nanoparticle Coating on 304 Stainless Steel Substrate
A uniform TiO2 nanoparticle coating was prepared both on steel and slide glass using sol–gel method and hydrothermal post-treatments. The particle size in the sol was determined to be ～2nm. The surface morphology and the structure of the coatings were analyzed by scanning electron microscope (SEM) and X-ray diffraction（XRD）, which revealed the surface was compact and well-distributed, and the main phase was anatase. UV-VIS spectrophotometer indicated that a absorption peak existed at 340nm. The anticorrosion performances of the coatings in dark and under ultraviolet illumination have been evaluated by electrochemical techniques.
Yansheng Yin and Xin Wang
M. H. He et al., "Photoaided Cathodic Protection of TiO2 Nanoparticle Coating on 304 Stainless Steel Substrate", Advanced Materials Research, Vols. 79-82, pp. 939-942, 2009