Formation of Nanoporous Tin Oxide Layers on Different Substrates during Anodic Oxidation in Oxalic Acid Electrolyte

Figure 3

XRD pattern (a) and EDS spectrum (b) of the anodic tin oxide layer obtained during one-step anodization of low-purity Sn in B-type cell at a potential of 8 V.

(a)

(b)