Science Advances

Supplementary Materials

This PDF file includes:

  • Section S1. General remarks
  • Section S2. Optimization of the electrochemical hydrogenation reaction conditions
  • Section S3. General procedure for the electrochemical hydrogenation of alkynes to Z-alkenes
  • Section S4. General procedure for Pd-catalyzed hydrogenation of alkynes to alkanes via electroreduction
  • Section S5. General procedure for Pd-catalyzed hydrogenation of alkenes to alkanes via electroreduction
  • Section S6. The photophysical and mechanochromic luminescence properties of 4a to 4d
  • Section S7. TGA curves of 4b
  • Section S8. Cyclic voltammetry
  • Section S9. Mechanism study
  • Section S10. Experimental data for the described substances
  • Section S11. Copies of 1H and 13C NMR spectra
  • Table S1. Optimization of the electrochemical hydrogenation reaction conditions.
  • Scheme S1. Deuterium-labeling experiments and control experiments of selective hydrogenation of alkynes.
  • Scheme S2. Deuterium-labeling experiments of hydrogenation of alkynes to alkanes.
  • Fig. S1. The UV absorption and fluorescence emission spectra.
  • Fig. S2. Emission color coordinates of 4b in the CIE1931 chromaticity diagram.
  • Fig. S3. The fluorescence emission spectra of unground and ground 4a to 4d.
  • Fig. S4. DSC trace of 4b in different states.
  • Fig. S5. Powder XRD patterns of 4b in different states.
  • Fig. S6. TGA curves of 4b.
  • Fig. S7. CV of 1,2-diphenylethyne.
  • References (4954)

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