Supplementary Materials

This PDF file includes:

  • fig. S1. TEM images of various Au samples and the corresponding size distributions of Au NPs.
  • fig. S2. XRD patterns.
  • fig. S3. Ti 2p XP spectra of RR2Ti-fresh, RR2Ti-H500, and RR2Ti-(H500+O400) samples.
  • fig. S4. EELS spectra of RR2Ti-H500 sample.
  • fig. S5. Fitted EELS spectra as shown in Fig. 3G with a range of 450 to 475 eV.
  • fig. S6. HRTEM images of the RR2Ti-(H500+O400) sample.
  • fig. S7. HRTEM images.
  • fig. S8. In situ DRIFT spectra of CO adsorption.
  • fig. S9. In situ DRIFT spectra of CO adsorption on C-Au/P25-H500 and C-Au/P25-(H500+O400).
  • fig. S10. HRTEM images.
  • fig. S11. SMSI behavior of RR2Ti catalyst under CO treatment.
  • fig. S12. XRD patterns.
  • fig. S13. TEM images.
  • fig. S14. In situ DRIFT spectra of CO adsorption.
  • fig. S15. HRTEM images.
  • fig. S16. XRD patterns of Ag/TiO2 series samples with pretreatment under various conditions.
  • fig. S17. HRTEM images.
  • fig. S18. In situ DRIFT spectra of CO adsorption on Ag/TiO2-H500 and Ag/TiO2-(H500+O500).
  • fig. S19. In situ DRIFT spectra of CO adsorption on Cu/TiO2-fresh and Cu/TiO2-H500.
  • fig. S20. EPR spectra of the Ag/TiO2 series samples and Cu/TiO2 series samples obtained at 100 K.
  • fig. S21. Mass spectrometry signals of H2 for H2-TPR profiles of the samples of TiO2, RR2Ti-fresh, and Cu/TiO2-fresh.
  • fig. S22. In situ DRIFT spectra of CO adsorption on Cu/TiO2-H800, Cu/TiO2-(H800+O600), and Cu/TiO2-(H800+O600+H200).
  • fig. S23. HAADF-STEM images of RR2Ti-fresh before and after CO oxidation at 300°C for 100 hours and the corresponding Au size distributions.
  • fig. S24. CO conversion curves as a function of reaction time on the RR2Ti-fresh tested at 300°C.
  • fig. S25. CO conversion curves as a function of reaction time on RR2Ti-H500 and RR2Ti-(H500+O400) tested at 300°C.

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