Science Advances

Supplementary Materials

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  • Fig. S1. Synthetic scheme for AO-PIM-1.
  • Fig. S2. Three-dimensional view of AO-PIM-1 (16 repeat units) in an amorphous periodic cell.
  • Fig. S3. Constant volume/variable pressure permeation apparatus for pure and mixed gases.
  • Fig. S4. Pure-gas H2S permeability of AO-PIM-1 and PIM-1 as a function of upstream pressure at 35°C.
  • Fig. S5. Pure H2S dual-mode model fit at 35°C for AO-PIM-1 and PIM-1 dense films.
  • Fig. S6. Pure CO2 dual-mode sorption model fit at 35°C for AO-PIM-1 and PIM-1 dense films.
  • Fig. S7. Pure CH4 dual-mode sorption model fit at 35°C for AO-PIM-1 and PIM-1 dense films.
  • Fig. S8. H2S sorption isotherm at 35°C for AO-PIM-1 dense films.
  • Fig. S9. CO2 sorption isotherm at 35°C for AO-PIM-1 dense films.
  • Fig. S10. CH4 sorption isotherm at 35°C for AO-PIM-1 dense films.
  • Fig. S11. H2S sorption isotherm at 35°C for PIM-1 dense films.
  • Fig. S12. CO2 sorption isotherm at 35°C for PIM-1 dense films.
  • Fig. S13. CH4 sorption isotherm at 35°C for PIM-1 dense films.
  • Fig. S14. DFT optimized structure of a single chain of AO-PIM-1.
  • Fig. S15. Electrostatic potential in the AO-PIM-1 network.
  • Fig. S16. Electrostatic potential of gas molecules.
  • Fig. S17. DFT optimized structures of the polymer-penetrant complex and the corresponding BEs on the AO-PIM-1 network (parallel 1).
  • Fig. S18. Pressure-decay sorption apparatus for gas sorption experiments.
  • Table S1. Diffusion coefficients (D), sorption coefficients (S), diffusion selectivities (αD), and sorption selectivities (αS) of AO-PIM-1 and other glassy polymers at 35°C.
  • Table S2. Dual-mode sorption parameters for pure H2S, CO2, and CH4.
  • Table S3. Comparison of AO-PIM-1 with other polymers in mixed-gas feed streams at 35°C.
  • Reference (50)

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