Science Advances

Supplementary Materials

This PDF file includes:

  • Physical measurements
  • Synthesis
  • Characterization
  • fig. S1. TGA of 1 and 2.
  • fig. S2. XPS spectra of Au 4f in 1 and 2.
  • fig. S3. Fourier transform infrared spectrum of 1.
  • fig. S4. The Au34 kernel in Au38.
  • fig. S5. The stability check of 1 and 2 in CH2Cl2 solution.
  • fig. S6. 31P NMR spectra of 1 and 2 in CD2Cl2.
  • fig. S7. TEM images of Au38 catalyst at different periods.
  • fig. S8. 1H NMR spectra of the catalytic products.
  • fig. S9. TEM images of 1/TiO2 and 2/TiO2 catalysts treated at different temperatures.
  • fig. S10. The anion exchange of 2 with KSO3CF3 in CH2Cl2 solution.
  • fig. S11. The relationship between reaction time and conversion and selectivity in the semihydrogenation of alkynes.
  • table S1. The catalytic performance of Au38 (0.4 wt %)/TiO2 catalyst pretreated at different temperatures in the semihydrogenation of diphenylacetylene.
  • References (48–50)

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