Figure 3From: p-Type hydrogen sensing with Al- and V-doped TiO2 nanostructuresXPS analyses of the Ti-Al-V-O oxide nanofilms annealed at different temperatures. (a) Deconvolution of survey spectrum and (b) Ti 2p3, (c) Al 2p, (d) V 2p3, (e) O 1s scan curves.Back to article page