Contra-diffusion synthesis of ZIF-8 films on a polymer substrateElectronic supplementary information (ESI) available: (1) Characterization; (2) SEM image of the clear nylon membrane; (3) SEM images of ZIF-8 films prepared at room temperature for 120 h; (4) SEM images of S24R and S24RE; (5) XRD patterns and SEM images of ZIF-8 films prepared with different designed Hmim/Zn2+molar ratio of 4 and 16. See DOI:10.1039/c0cc04734a

ZIF-8 films were successfully prepared on a flexible nylon substrate with a contra-diffusion synthesis method, and gas permeation experiments indicated that the films were continuous and compact. [ABSTRACT FROM AUTHOR]