Fig. 5From: Preparation of SnIn4S8/TiO2 Nanotube Photoanode and Its Photocathodic Protection for Q235 Carbon Steel Under Visible Lighta XPS survey spectrum of the SnIn4S8/TiO2 composite film; high-resolution XPS spectra of b Ti 2p, c O 1s, d Sn 3d, e In 3d and f S 2pBack to article page
