Figure 20.

(A) TPR spectra of CH₃OH on O/Au(111) (θ_O = 0.2 ML). Ozone was dosed at 200 K to deposit oxygen on the Au(111) surface.³⁸² (B) Isothermal pulsed molecular beam experiments on Au(332) at 310 K pulsing atomic oxygen (6.9 × 10¹¹ cm² s^–1, 30 s on, 100 s off), while continuously supplying methyl formate (1.2 × 10¹⁵ cm² s^–1; black trace) or methanol-¹³C (4.2 × 10¹³ cm² s^–1; red trace).⁴⁴⁹ (C) TPR spectra of 0.11 L methyl formate on 0.13 ML ¹⁸O precovered Au(332) (blue); reference spectra: 0.13 ML ¹⁸O reference on Au(332) (black) and a 0.11 L methyl formate reference (gray dots).⁴⁵⁰ (A) Reproduced with permission from ref (382). Copyright 2009 Wiley-VCH. (B) Adapted with permission from ref (449). Copyright 2022 Royal Society of Chemistry. (C) Adapted with permission from ref (450). Copyright 2021 American Chemical Society.