Research Article

Catalytic Behaviour of Mesoporous Cobalt-Aluminum Oxides for CO Oxidation

Figure 9

UHV-FTIR spectra obtained after exposing pure Al2O3 to different doses of CO at 110 K in an UHV chamber; (a) (A) clean surface, (B) 1 × 10−6 mbar, (C) 5 × 10−6 mbar, (D) 1 × 10−5 mbar, (E) 5 × 10−5 mbar, and (F) 1 × 10−4 mbar CO; (b) further heating to the indicated temperatures under UHV.
(a)
(b)