Research Article
Catalytic Behaviour of Mesoporous Cobalt-Aluminum Oxides for CO Oxidation
Figure 8
UHV-FTIR spectra obtained after exposing the clean CoxOy/Al2O3 composite to different doses of CO at 100 K in an UHV chamber; (a) (A) clean surface, (B) 5 × 10−7 mbar, (C) 1 × 10−6 mbar, (D) 5 × 10−6 mbar, (E) 1 × 10−5 mbar, (F) 5 × 10−5 mbar, and (G) 1 × 10−4 mbar CO; (b) further heating to the indicated temperatures under UHV.
| (a) |
| (b) |