Research Article

Photocatalytic Oxidation of Carbon Monoxide over N i O / S n O 𝟐 Nanocomposites under UV Irradiation

Figure 7

TEM images of (a) pure and (b) 33.3 mol% nickel-doped SnO2 nanoparticles.
794874.fig.007a
(a)
794874.fig.007b
(b)