Please cite this article as: P. Neelakanda, E. Barankova, K.-V. Peinemann, Polymer supported ZIF-8 membranes by conversion of sputtered zinc oxide layers, Microporous and Mesoporous Materials (2015), doi: 10.1016/j.micromeso.2015.08.038. This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. -7 mol m -2 sec -1 Pa -1 for hydrogen and a selectivity of 26 for hydrogen/propane gases which is 5 times higher than the Knudsen selectivity. X-ray diffraction (XRD) and scanning electron microscopy (SEM) analysis were done to characterize the membranes.