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Figure 5
(a) Concentration of Ce3+ in 1.5 wt% Pt/CeO2 catalyst as a function of time during periodic cycling between 1% CO in argon and 1% CO + 4% O2 in argon at 26°C and 90°C. The fit quality for each time point was estimated as an integrated absolute difference (IAD) between the experimental spectrum and the sum of two PCA components. (b) PCA components are compared with Ce3+ and Ce4+ references calculated from data shown in Fig. 3[link].

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 25| Part 4| July 2018| Pages 989-997
https://doi.org/10.1107/S1600577518005325
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