Fig. 8From: Preparation of SnIn4S8/TiO2 Nanotube Photoanode and Its Photocathodic Protection for Q235 Carbon Steel Under Visible Lighta Long-term potential changes of Q235 CS connected to the SnIn4S8/TiO2 composite under intermittent visible light illumination; b XRD patterns of the SnIn4S8/TiO2 composite before and after photoelectrochemical tests; c FTIR spectra of the SnIn4S8/TiO2 composite before and after photoelectrochemical testsBack to article page