Role of Platinum Deposited on TiO₂ in Photocatalytic Methanol Oxidation and Dehydrogenation Reactions

Figure 4

Three-dimensional AFM image of (a) bare TiO₂, (b) 0.25% Pt loaded on TiO₂, (c) 0.50% Pt loaded on TiO₂, (d) 0.75% Pt loaded on TiO₂, and (e) 1.00% Pt-loaded on TiO₂.

(a)

(b)

(c)

(d)

(e)