Fig. 3From: TiO2 Nanosheet Arrays with Layered SnS2 and CoOx Nanoparticles for Efficient Photoelectrochemical Water SplittingXPS survey spectra (a), high-resolution XPS spectra of b Ti 2p, c O 1s, d Sn 3d, e S 2p, and f Co 2p for TiO2/SnS2/CoOx composite nanosheet arraysBack to article page