Science Advances

Supplementary Materials

The PDF file includes:

  • Fig. S1. SEM images and XRD and FTIR results and change of membrane thickness with time.
  • Fig. S2. Detection of the remaining metal ions and ligands in the spent growth solution.
  • Fig. S3. Illustration of thin film interference and the excellent durability of ZIF-8 membranes.
  • Fig. S4. Electrochemical characterization of growth mechanism.
  • Fig. S5. Gas permeation setup and properties.
  • Fig. S6. Rietveld refinement results of different ZIF-8 membranes.
  • Fig. S7. MD simulation results.
  • Fig. S8. LSCM characterization of self-elimination of defects.
  • Fig. S9. Comparison of the time needed for the fabrication of MOF membranes.
  • Fig. S10. SEM images and phase composition of the ZIF-8 layers grown on different conductive substrates and potential concept of hollow fiber formats.
  • Table S1. C3H6/C3H8 separation properties for the ZIF-8 membranes prepared by FCDS grown at different times in a solution containing Zn(CH3COO)2 at room temperature and 1 bar with a 1:1 binary mixture of C3H6 and C3H8.
  • Table S2. Detailed comparison of the synthesis time, methods, fabrication conditions, and their C3H6/C3H8 separation factors for different ZIF-8 membranes.
  • Table S3. Detailed C3H6/C3H8 separation performance of different membranes listed in Fig. 3B.
  • Table S4. Detailed results of MD simulations of gas passing through a single monolayer of ZIF-8 (each ZIF-8_I 4¯3m/Cm + propene/propane system was simulated for five times, and the averaged result was reported).
  • Table S5. Detailed results of MD simulations of gas passing through 200-nm-thick membranes of ZIF-8 (each ZIF-8_I 4¯3m/Cm + propene/propane system was simulated for five times, and the averaged result was reported).
  • References (3759)

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Other Supplementary Material for this manuscript includes the following:

  • Movie S1 (.mov format). Durability test by ultrasonic water bath treatment, shaking, and falling test.

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